[Init] Solved solutions

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;
+}