initial commit

1A-Theater Square/1A.cpp

@@ -0,0 +1,22 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    long long n, m, a, div, len, wid;
+    cin >> n >> m >> a;
+    div = n / a;
+    if (n % a == 0)
+        len = div * a;
+    else
+        len = (div + 1) * a;
+
+    div = m / a;
+    if (m % a == 0)
+        wid = div * a;
+    else
+        wid = (div + 1) * a;
+
+    div = (len * wid) / (a * a);
+
+    cout << div;
+}