[Init] Solved solutions

cpp/110A.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin >> s;
+    int sum = 0;
+    for (string::iterator i = s.begin(); i != s.end(); i++)
+    {
+        if (*i == '4' || *i == '7')
+        {
+            sum++;
+        }
+    }
+    if (sum == 4 || sum == 7)
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    return 0;
+}

cpp/112A.cpp

@@ -0,0 +1,63 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+
+using namespace std;
+
+void low(string &s)
+{
+    for (unsigned int i = 0; i < s.length(); i++)
+    {
+        if (isupper(s[i]))
+        {
+            s[i] = tolower(s[i]);
+        }
+    }
+}
+
+int compare(string s1, string s2)
+{
+    int l;
+    if (s1.length() > s2.length())
+    {
+        l = s2.length();
+    }
+    else
+    {
+        l = s1.length();
+    }
+    for (int i = 0; i < l; i++)
+    {
+        if (s1[i] > s2[i])
+        {
+            return 1;
+        }
+        else if (s1[i] < s2[i])
+        {
+            return -1;
+        }
+    }
+    if (s1.length() > s2.length())
+    {
+        return 1;
+    }
+    else if (s1.length() < s2.length())
+    {
+        return -1;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+int main()
+{
+    string s1, s2;
+    getline(cin, s1);
+    getline(cin, s2);
+    low(s1);
+    low(s2);
+    cout << compare(s1, s2) << endl;
+    return 0;
+}

cpp/118A.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include <cctype>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    char c[6] = {'a', 'o', 'y', 'e', 'u', 'i'};
+    string s;
+    cin >> s;
+    for (unsigned int i = 0; i < s.length(); i++)
+    {
+        if (isupper(s[i]) == 1)
+        {
+            s[i] = tolower(s[i]);
+        }
+    }
+    for (int i = 0; i < 6; i++)
+    {
+        while (s.find(c[i]) != -1)
+        {
+            int pos = s.find(c[i]);
+            s.replace(pos, 1, "");
+        }
+    }
+    for (int i = 0; i < s.length(); i += 2)
+    {
+        s.insert(i, ".");
+    }
+    cout << s << endl;
+    return 0;
+}

cpp/122A.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    unsigned short i;
+    cin >> i;
+    if (i%4 && i%7 && i%44 && i%47 && i%77 && i%74 && i%444 && i%447 && i%477 && i%777 && i%774 && i%744 && i%474 && i%747) {
+        cout << "NO" << endl;
+    }
+    else {
+        cout << "YES" << endl;
+    }
+    return 0;
+}

cpp/133A.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <cstdlib>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    char c[] = "HQ9";
+    string s;
+    cin >> s;
+    for (int i = 0; i < 3; i++) {
+        if (s.find(c[i]) != -1) {
+            cout << "YES" << endl;
+            exit(0);
+        }
+    }
+    cout << "NO" << endl;
+    return 0;
+}

cpp/136A.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int *a = new int[n];
+    int *b = new int[n];
+    for (int i = 0; i < n; i++)
+    {
+        cin >> a[i];
+    }
+    for (int i = 0; i < n; i++)
+    {
+        b[a[i] - 1] = i + 1;
+    }
+    for (int i = 0; i < n; i++)
+    {
+        cout << b[i] << " ";
+    }
+    delete[] a;
+    a = NULL;
+    delete[] b;
+    b = NULL;
+    return 0;
+}

cpp/144A.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, o,
+        imax = 0,
+        imin = 0;
+    cin >> n;
+    int *a = new int[n];
+    for (int i = 0; i < n; i++)
+    {
+        cin >> a[i];
+    }
+    for (int i = 1; i < n; i++)
+    {
+        if (a[i] > a[imax])
+        {
+            imax = i;
+        }
+        if (a[i] <= a[imin])
+        {
+            imin = i;
+        }
+    }
+    o = n - 1 - imin + imax;
+    if (imax > imin)
+    {
+        o--;
+    }
+    cout << o;
+    return 0;
+}

cpp/148A.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int k, l, m, n, d, count = 0;
+    cin >> k >> l >> m >> n >> d;
+    for (int i = 1; i <= d; i++)
+    {
+        if ((i%k == 0) || (i%l == 0) || (i%m == 0) || (i%n == 0))
+        {
+            count++;
+        }
+    }
+    cout << count;
+    return 0;
+}

cpp/158A.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int k, n, count = 0;
+    cin >> k >> n;
+    int arr[k];
+    for (int i = 0; i < k; i++)
+    {
+        cin >> arr[i];
+    }
+    for (int i = 0; i < k; i++)
+    {
+        if (arr[i] > 0 && arr[i] >= arr[n - 1])
+        {
+            count++;
+        }
+    }
+    cout << count << endl;
+    return 0;
+}

cpp/158B.cpp

@@ -0,0 +1,59 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int a[4];
+    for (int i = 0; i < 4; i++)
+    {
+        a[i] = 0;
+    }
+    for (int i = 0; i < n; i++)
+    {
+        int t;
+        cin >> t;
+        switch (t)
+        {
+        case 1:
+            a[0]++;
+            break;
+        case 2:
+            a[1]++;
+            break;
+        case 3:
+            a[2]++;
+            break;
+        case 4:
+            a[3]++;
+            break;
+        }
+    }
+    int count = 0;
+    int s = 0;
+    count += a[3];
+    count += a[2];
+    if (a[0] >= a[2])
+    {
+        a[0] -= a[2];
+    }
+    else
+    {
+        a[0] = 0;
+    }
+    count += a[1]/2;
+    a[1] %= 2;
+    s += a[1]*2 + a[0];
+    if (s%4)
+    {
+        count += (s/4 + 1);
+    }
+    else
+    {
+        count += s/4;
+    }
+    cout << count << endl;
+    return 0;
+}

cpp/160A.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int *a = new int[n];
+    int sum = 0;
+    for (int i = 0; i < n; i++) {
+        cin >> a[i];
+        sum += a[i];
+    }
+    for (int i = 0; i < n - 1; i++) {
+        for (int j = i + 1; j < n; j++) {
+            if (a[i] < a[j]) {
+                int t = a[i];
+                a[i] = a[j];
+                a[j] = t;
+            }
+        }
+    }
+    int s = 0, x = 0;
+    while (s <= sum) {
+        s += a[x];
+        sum -= a[x];
+        x++;
+    }
+    cout << x << endl;
+    delete[] a;
+    return 0;
+}

cpp/1A.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    unsigned long long n, m, a;
+    cin >> n >> m >> a;
+    cout << ((n%a) ? (n/a + 1) : (n/a))*((m%a) ? (m/a + 1) : (m/a)) << endl;
+    return 0;
+}

cpp/200B.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <iomanip>
+
+using namespace std;
+
+int main() {
+    int n;
+    int *a;
+    double *arr;
+    cin >> n;
+    a = new int[n];
+    for (int i = 0; i < n; ++i)
+        a[i] = 1;
+    arr = new double[n];
+    for (int i = 0; i < n; ++i)
+        cin >> arr[i];
+    while (n > 1) {
+        for (int i = 0; i < n / 2; ++i) {
+            int sum = a[i] + a[n - i - 1];
+            arr[i] = (double) a[i] / sum * arr[i] + (double) a[n - i - 1] / sum * arr[n - i - 1];
+            a[i] = sum;
+        }
+        n = (n + 1) / 2;
+    }
+    cout << setprecision(6) << arr[0] << endl;
+    return 0;
+}

cpp/228A.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    unsigned int a, b, c, d;
+    cin >> a >> b >> c >> d;
+    unsigned count = 0;
+    if (a == b || a == c || a == d)
+        count++;
+    if (b == c || b == d)
+        count++;
+    if (c == d)
+        count++;
+    cout << count;
+    return 0;
+}

cpp/236A.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin >> s;
+    unsigned int i = 0;
+    while (i < s.length()) {
+        unsigned int index = s.find_last_of(s[i]);
+        while (index != i) {
+            s.replace(index, 1, "");
+            index = s.find_last_of(s[i]);
+        }
+        i++;
+    }
+    if (s.length()%2) {
+        cout << "IGNORE HIM!";
+    }
+    else {
+        cout << "CHAT WITH HER!";
+    }
+    cout << endl;
+    return 0;
+}

cpp/25A.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <cstdlib>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int i1, i2, c1 = 0, c2 = 0;
+    while (n--)
+    {
+        int t;
+        cin >> t;
+        if (t%2)
+        {
+            c1++;
+            i1 = c1 + c2;
+        }
+        else
+        {
+            c2++;
+            i2 = c1 + c2;
+        }
+    }
+    if (c1 < c2)
+    {
+        cout << i1;
+    }
+    else
+    {
+        cout << i2;
+    }
+    return 0;
+}

cpp/263A.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+#include <cstdlib>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+    for (int i = 0; i < 5; i++)
+    {
+        for (int j = 0; j < 5; j++)
+        {
+            int t;
+            cin >> t;
+            if (t == 1)
+            {
+                cout << abs(i - 2) + abs(j - 2) << endl;
+                exit(0);
+            }
+        }
+    }
+    return 0;
+}

cpp/266A.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    char *ptr = new char[n];
+    for (int i = 0; i < n; i++)
+    {
+        cin >> ptr[i];
+    }
+    int count = 0;
+    for (int i = 1; i < n; i++)
+    {
+        if (ptr[i] == ptr[i - 1])
+        {
+            count++;
+        }
+    }
+    cout << count << endl;
+    delete[] ptr;
+    return 0;
+}

cpp/266B.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    int n, t;
+    cin >> n >> t;
+    string s;
+    cin >> s;
+    while (t--)
+    {
+        for (string::iterator i = s.begin(); i != s.end(); i++)
+        {
+            if (*i == 'B' && *(i + 1) == 'G')
+            {
+                *i = 'G';
+                *(i + 1) = 'B';
+                i++;
+            }
+        }
+    }
+    cout << s;
+    return 0;
+}

cpp/268A.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, c = 0;
+    cin >> n;
+    int *a = new int[n];
+    int *b = new int[n];
+    for (int i = 0; i < n; i++)
+    {
+        cin >> a[i] >> b[i];
+    }
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            if (a[i] == b[j])
+            {
+                c++;
+            }
+        }
+    }
+    cout << c;
+    delete[] a;
+    a = NULL;
+    delete[] b;
+    b = NULL;
+    return 0;
+}

cpp/271A.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+
+using namespace std;
+
+bool check(int n)
+{
+    int a = n/1000;
+    int b = (n/100)%10;
+    if (b == a)
+    {
+        return 0;
+    }
+    int c = (n/10)%10;
+    if (c == a || c == b)
+    {
+        return 0;
+    }
+    int d = n%10;
+    if (d == a || d == b || d == c)
+    {
+        return 0;
+    }
+    return 1;
+}
+
+int main()
+{
+    int n;
+    cin >> n;
+    do
+    {
+        n++;
+    } while (check(n) == 0);
+    cout << n;
+    return 0;
+}

cpp/281A.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <cctype>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin >> s;
+    if (islower(s[0]))
+    {
+        s[0] = toupper(s[0]);
+    }
+    cout << s << endl;
+    return 0;
+}

cpp/282A.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    int n, x = 0;
+    cin >> n;
+    while (n--)
+    {
+        string s;
+        cin >> s;
+        if (s.find("++") != -1)
+        {
+            x++;
+        }
+        if (s.find("--") != -1)
+        {
+            x--;
+        }
+    }
+    cout << x << endl;
+    return 0;
+}

cpp/318A.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using namespace std;
+
+unsigned long long int out(unsigned long long int n, unsigned long long int k)
+{
+    if (k <= n/2)
+    {
+        return 2*k - 1;
+    }
+    else
+    {
+        return (k - n/2)*2;
+    }
+}
+
+int main()
+{
+    unsigned long long int n, k;
+    cin >> n >> k;
+    if (n%2)
+    {
+        cout << out(n + 1, k);
+    }
+    else
+    {
+        cout << out(n, k);
+    }
+    return 0;
+}

cpp/337A.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, m;
+    cin >> n >> m;
+    int *a = new int[m];
+    for (int i = 0; i < m; i++)
+    {
+        cin >> a[i];
+    }
+    for (int i = 0; i < m - 1; i++)
+    {
+         for (int j = i + 1; j < m; j++)
+         {
+             if (a[j] < a[i])
+             {
+                 int t = a[i];
+                 a[i] = a[j];
+                 a[j] = t;
+             }
+         }
+    }
+    int delta = a[n - 1] - a[0];
+    for (int i = 1; i <= m - n; i++)
+    {
+        int temp = a[i + n - 1] - a[i];
+        if (temp < delta)
+        {
+            delta = temp;
+        }
+    }
+    cout << delta;
+    delete[] a;
+    return 0;
+}

cpp/339A.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include <sstream>
+
+#define MAX_SIZE 100
+
+using namespace std;
+
+int main()
+{
+    string s;
+    stringstream ss;
+    getline(cin, s);
+    ss.str(s);
+    int arr[MAX_SIZE];
+    char c;
+    int n = 0;
+    while(!ss.eof())
+    {
+        ss >> arr[n++] >> c;
+    }
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = i + 1; j < n; j++)
+        {
+            if (arr[j] < arr[i])
+            {
+                int temp = arr[i];
+                arr[i] = arr[j];
+                arr[j] = temp;
+            }
+        }
+    }
+    for (int i = 0; i < n; i++)
+    {
+        cout << arr[i];
+        if (i != n - 1)
+        {
+            cout << '+';
+        }
+    }
+    cout << endl;
+    return 0;
+}

cpp/339B.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, m, now = 1;
+    unsigned long long int c = 0;
+    cin >> n >> m;
+    for (int i = 0; i < m; i++)
+    {
+        int t;
+        cin >> t;
+        if (t < now)
+        {
+            c = c + t + n - now;
+        }
+        else
+        {
+            c = c + t - now;
+        }
+        now = t;
+    }
+    cout << c;
+    return 0;
+}

cpp/344A.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int count = 1;
+    int a;
+    cin >> a;
+    while (--n)
+    {
+        int b;
+        cin >> b;
+        if (b != a)
+        {
+            count++;
+            a = b;
+        }
+    }
+    cout << count;
+    return 0;
+}

cpp/379A.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int a, b, d = 0, c = 0;
+    cin >> a >> b;
+    do
+    {
+        while (a > 0)
+        {
+            c += a;
+            d += a%b;
+            a /= b;
+        }
+        a = d/b;
+        d %= b;
+    }
+    while (a > 0);
+    cout << c;
+    return 0;
+}

cpp/405A.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int *a = new int[n];
+    for (int i = 0; i < n; i++)
+    {
+        cin >> a[i];
+    }
+    for (int i = 0; i < n - 1; i++)
+    {
+        for (int j = i + 1; j < n; j++)
+        {
+            if (a[i] > a[j])
+            {
+                int temp = a[i];
+                a[i] = a[j];
+                a[j] = temp;
+            }
+        }
+    }
+    for (int i = 0; i < n; i++)
+    {
+
+        cout << a[i] << " ";
+    }
+    delete[] a;
+    return 0;
+}

cpp/41A.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+bool check(string s, string t)
+{
+    if (s.length() != t.length())
+    {
+        return 0;
+    }
+    for (int i = 0; i < s.length(); i++)
+    {
+        if (s[i] != t[t.length() - 1 -i])
+        {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main()
+{
+    string s, t;
+    cin >> s >> t;
+    if (check(s, t))
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    return 0;
+}

cpp/443A.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    int c = 0;
+    getline(cin, s);
+    for (int i = s.length() - 2; i > 0; i -= 3)
+    {
+        if (s.find(s[i]) == i)
+        {
+            c++;
+        }
+    }
+    cout << c;
+    return 0;
+}

cpp/451A.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int a, b;
+    cin >> a >> b;
+    if (a > b)
+    {
+        a = b;
+    }
+    if (a%2)
+    {
+        cout << "Akshat";
+    }
+    else
+    {
+        cout << "Malvika";
+    }
+    return 0;
+}

cpp/467A.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    int sum = 0;
+    while (n--)
+    {
+        int p, q;
+        cin >> p >> q;
+        if (q - p >= 2)
+        {
+            sum++;
+        }
+    }
+    cout << sum;
+    return 0;
+}

cpp/469A.cpp

@@ -0,0 +1,51 @@
+#include <iostream>
+
+using namespace std;
+
+void input(bool *a, int n, int x)
+{
+    for (int i = 0; i < n; i++)
+    {
+        a[i] = 0;
+    }
+    for (int i = 0; i < x; i++)
+    {
+        int t1;
+        cin >> t1;
+        for (int j = 0; j < t1; j++)
+        {
+            int t2;
+            cin >> t2;
+            a[t2 - 1] = 1;
+        }
+    }
+}
+
+bool check(bool *a, int x)
+{
+    for (int i = 0; i < x; i++)
+    {
+        if (a[i] == 0)
+        {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main()
+{
+    int n;
+    cin >> n;
+    bool *a = new bool[n];
+    input (a, n, 2);
+    if (check(a, n))
+    {
+        cout << "I become the guy.";
+    }
+    else
+    {
+        cout << "Oh, my keyboard!";
+    }
+    return 0;
+}

cpp/472A.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    bool *b = new bool[n];
+    b[0] = b[1] = 0;
+    for (int i = 2; i < n; i++)
+    {
+        b[i] = 1;
+    }
+    for (int i = 0; i < n; i++)
+    {
+        if (b[i] == 1)
+        {
+            for (int j = 2*i; j < n; j += i)
+            {
+                b[j] = 0;
+            }
+        }
+    }
+    for (int i = 2; i < n; i++)
+    {
+        if (b[i] == 0 && b[n - i] == 0)
+        {
+            cout << i << " " << n - i;
+            break;
+        }
+    }
+    delete[] b;
+    return 0;
+}

cpp/479A.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int a, b, c;
+    cin >> a >> b >> c;
+    int arr[6];
+    arr[0] = a + b + c;
+    arr[1] = a*b*c;
+    arr[2] = a+b*c;
+    arr[3] = a*b+c;
+    arr[4] = (a + b)*c;
+    arr[5] = a*(b + c);
+    int max = arr[0];
+    for (int i = 1; i < 6; i++)
+    {
+        if (arr[i] > max)
+        {
+            max = arr[i];
+        }
+    }
+    cout << max;
+    return 0;
+}

cpp/4A.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    if (n%2 || n <= 2)
+    {
+        cout << "NO" << endl;
+    }
+    else
+    {
+        cout << "YES" << endl;
+    }
+    return 0;
+}

cpp/500A.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, t;
+    cin >> n >> t;
+    int *a = new int[n - 1];
+    for (int i = 0; i < n - 1; i++)
+    {
+        cin >> a[i];
+    }
+    int pos = 0;
+    while (pos < t - 1)
+    {
+        pos += a[pos];
+    }
+    if (pos == t - 1)
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    delete[] a;
+    a = NULL;
+    return 0;
+}

cpp/510A.cpp

@@ -0,0 +1,37 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, m;
+    cin >> n >> m;
+    for (int i = 0; i < n ; i++)
+    {
+        switch (i%4)
+        {
+        case 1:
+            for (int i = 0; i < m - 1; i++)
+            {
+                cout << ".";
+            }
+            cout << "#" << endl;
+            break;
+        case 3:
+            cout << "#";
+            for (int i = 0; i < m - 1; i++)
+            {
+                cout << ".";
+            }
+            cout << endl;
+            break;
+        default:
+            for (int i = 0; i < m; i++)
+            {
+                cout << "#";
+            }
+            cout << endl;
+        }
+    }
+    return 0;
+}

cpp/520A.cpp

@@ -0,0 +1,37 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+
+using namespace std;
+
+bool check(string s)
+{
+    for (string::iterator it = s.begin(); it != s.end(); it++)
+    {
+        *it = toupper(*it);
+    }
+    for (unsigned char c = 'A'; c <= 'Z'; c++)
+    {
+        if (s.find(c) == -1)
+        {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main()
+{
+    unsigned short n;
+    string s;
+    cin >> n >> s;
+    if (check(s))
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    return 0;
+}

cpp/58A.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+bool check(string s)
+{
+    string c = "hello";
+    for (unsigned int i = 0; i < c.length(); i++)
+    {
+        int pos = s.find(c[i]);
+        if (pos != -1)
+        {
+            s.replace(0, pos + 1, "");
+        }
+        else
+        {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main()
+{
+    string s;
+    getline(cin, s);
+    if (check(s))
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    cout << endl;
+    return 0;
+}

cpp/59A.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin >> s;
+    int up = 0, low = 0;
+    for (string::iterator it = s.begin(); it!= s.end(); it++)
+    {
+        if (islower(*it))
+        {
+            low++;
+        }
+        else if (isupper(*it))
+        {
+            up++;
+        }
+    }
+    if (up > low)
+    {
+        for (string::iterator it = s.begin(); it != s.end(); it++)
+        {
+            *it = toupper(*it);
+        }
+    }
+    else
+    {
+        for (string::iterator it = s.begin(); it != s.end(); it++)
+        {
+            *it = tolower(*it);
+        }
+    }
+    cout << s;
+    return 0;
+}

cpp/600B.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <algorithm>
+using namespace std;
+int main()
+{
+	int n, m;
+	long long int *a, *b;
+	cin >> n >> m;
+	a = new long long int[n];
+	b = new long long int[m];
+	for (int i = 0; i < n; i++)
+		cin >> a[i];
+	for (int i = 0; i < m; i++)
+		cin >> b[i];
+	sort(a, a + n);
+	for (int i = 0; i < m; i++)
+		cout << upper_bound(a, a + n, b[i]) - a << " ";
+	return 0;
+}

cpp/617A.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    unsigned long long int n;
+    cin >> n;
+    if (n%5 == 0)
+    {
+        cout << n/5;
+    }
+    else
+    {
+        cout << (n/5 + 1);
+    }
+    return 0;
+}

cpp/61A.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    string s1, s2;
+    cin >> s1 >> s2;
+    for (unsigned int i = 0; i < s1.length(); i++)
+    {
+        if (s1[i] == s2[i])
+        {
+            cout << 0;
+        }
+        else
+        {
+            cout << 1;
+        }
+    }
+    return 0;
+}

cpp/677A.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, h, l = 0;
+    cin >> n >> h;
+    for (int i = 0; i < n; i++)
+    {
+        int t;
+        cin >> t;
+        if (t > h)
+        {
+            l++;
+        }
+    }
+    cout << l + n;
+    return 0;
+}

cpp/69A.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int n, x, y, z;
+    cin >> n;
+    x = y = z = 0;
+    for (int i = 0; i < n; i++)
+    {
+        int t;
+        cin >> t;
+        x += t;
+        cin >> t;
+        y += t;
+        cin >> t;
+        z += t;
+    }
+    if (x == 0 && y == 0 && z == 0)
+    {
+        cout << "YES";
+    }
+    else
+    {
+        cout << "NO";
+    }
+    return 0;
+}

cpp/71A.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    while (n--)
+    {
+        string s;
+        cin >> s;
+        if (s.length() > 10)
+        {
+            cout << s[0] << s.length() - 2 << s[s.length() - 1] << endl;
+        }
+        else
+        {
+            cout << s << endl;
+        }
+    }
+    return 0;
+}

cpp/734A.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    unsigned int ca, cd, n;
+    string s;
+    cin >> n;
+    ca = 0;
+    cd = 0;
+    cin >> s;
+    for (string::iterator it = s.begin(); it != s.end(); it++)
+    {
+        if (*it == 'A')
+        {
+            ca++;
+        }
+        else if (*it == 'D')
+        {
+            cd++;
+        }
+    }
+    if (ca > cd)
+    {
+        cout << "Anton";
+    }
+    else if (ca < cd)
+    {
+        cout << "Danik";
+    }
+    else
+    {
+        cout << "Friendship";
+    }
+    return 0;
+}

cpp/82A.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    const unsigned int size = 5;
+    char* c[size] = {"Sheldon", "Leonard", "Penny", "Rajesh", "Howard"};
+    int n, m = 0, r = 1;
+    cin >> n;
+    while (n > m)
+    {
+        m += size*r;
+        r *= 2;
+    }
+    r /= 2;
+    n = n - m + size*r;
+    int pos = n/r;
+    if (n%r == 0)
+    {
+        pos--;
+    }
+    cout << c[pos];
+    return 0;
+}

cpp/96A.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin >> s;
+    if (s.find("0000000") != -1 || s.find("1111111") != -1)
+    {
+        cout << "YES" << endl;
+    }
+    else
+    {
+        cout << "NO" << endl;
+    }
+    return 0;
+}

cpp/992A.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+
+using namespace std;
+
+bool arr[200000];
+
+int main()
+{
+    unsigned int n, c = 0;
+    cin >> n;
+    while (n--)
+    {
+        int t;
+        cin >> t;
+        if (t < 0)
+        {
+            t += 200001;
+        }
+        if (arr[t - 1] == 0 && t != 0)
+        {
+            c++;
+            arr[t - 1] = 1;
+        }
+    }
+    cout << c;
+    return 0;
+}

cpp/994A.cpp

@@ -0,0 +1,32 @@
+#include <iostream>
+
+using namespace std;
+
+bool b[10];
+
+int main()
+{
+    unsigned short n, m;
+    cin >> n >> m;
+    int *a = new int[n];
+    for (unsigned short i = 0; i < n; i++)
+    {
+        cin >> a[i];
+    }
+    for (unsigned short i = 0; i < m; i++)
+    {
+        int t;
+        cin >> t;
+        b[t] = 1;
+    }
+    for (unsigned short i = 0; i < n; i++)
+    {
+        if (b[a[i]] == 1)
+        {
+            cout << a[i] << " ";
+        }
+    }
+    delete[] a;
+    a = NULL;
+    return 0;
+}