include <bits/stdc++.h>
using namespace std; int main(){ long long n,m,a,ans = 1; cin>>n>>m>>a; if(n%a!=0) { ans*=(n/a+1); } else { ans*=n/a; } if(m%a!=0) { ans*=(m/a+1); } else { ans*=m/a; } cout<<ans; }
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using namespace std; int main(){ long long n,m,a,ans = 1; cin>>n>>m>>a; if(n%a!=0) { ans*=(n/a+1); } else { ans*=n/a; } if(m%a!=0) { ans*=(m/a+1); } else { ans*=m/a; } cout<<ans; }
If you will write ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0); than your code will work faster. I just help you to be succesful programmer.
You can do it! I belive you. Just do it
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