Submission #3267929

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int man=1000005;
const int MAXM= 15000005;
int n,k;

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin>>n>>k;
  if(k&1)
  {
      int t1=n/k;
      cout<<t1*t1*t1<<endl;
  }
  else
  {
      int t1=n/k;
      int t2=n*2/k-t1;
      cout<<t1*t1*t1+t2*t2*t2<<endl;
  }
}

Submission Info

Judge Result