Submission #76741

#	Time	Username	Problem	Language	Result	Execution time	Memory
76741		zetapi	Chessboard (IZhO18_chessboard)	C++14	0 / 100	2 ms	532 KiB

chessboard

#include "bits/stdc++.h"
using namespace std;

#define pb  push_back
#define mp  make_pair
#define ll  long long
#define itr iterator

typedef pair<int,int> pii;

const int MAX=1e5;

int N,K;

signed main()
{
	ios_base::sync_with_stdio(false);

	cin>>N>>K;
	cout<<(N*N)/2;
	return 0;
}

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