Submission #137826

#	Time	Username	Problem	Language	Result	Execution time	Memory
137826		vardan__02	Chessboard (IZhO18_chessboard)	C++14	8 / 100	4 ms	504 KiB

chessboard

#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <cstdio>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
#define MP make_pair
#define PB push_back
ll n,k,p,x=1,u,ans,color[105],i,j,qanak[105];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k;
    x=n;
    for(i=2;i<=n;i++)
    {
        if(n%i==0)
        {
            while(n%i==0)
            {
                qanak[i]++;
                n/=i;
            }
        }
    }
    for(i=x;i>=2;i--)
    {
        if(qanak[i]!=0)
        {
            u=i;
            break;
        }
    }
    x/=u;
    ans=u*u/2;
    ans=ans*x*x;
    x*=u;
    for(i=2;i<=x;i++)
    {
        if(qanak[i]!=0)
        {
            n=i;
            break;
        }
    }
    x/=n;
    n=n*n/2;
    ans=min(ans,n*x*x);
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30