fork download 
  1. #include <iostream>  
  2. #include <cmath>  
  3.  
  4. using namespace std;  
  5.  
  6. int main() {  
  7.   long long n, m, a;  
  8.   cin >> n >> m >> a;  
  9.  
  10.   long long num_flagstones_n = ceil((double)n / a);  
  11.   long long num_flagstones_m = ceil((double)m / a);  
  12.  
  13.   cout << num_flagstones_n * num_flagstones_m << endl;  
  14.  
  15.   return 0;  
  16. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin 
Standard input is empty
stdout 
1
https://ideone.com/o8pYsm
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!