Changed the folder structure of codeforces problemsets

codeforces/problemsets/theatreSquare/a.cpp

@@ -0,0 +1,21 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    long long n, m, a;
+
+    cin >> n >> m >> a;
+
+    long long result = ceil((double)n / (double)a) * ceil((double)m / (double)a);
+
+    cout << result;
+
+    cout << flush;
+
+    return 0;
+}