[Init] Solved solutions

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;
+}