Submission #645635

#	Time	Username	Problem	Language	Result	Execution time	Memory
645635		Smailik_	Chessboard (IZhO18_chessboard)	C++14	0 / 100	2079 ms	616 KiB

chessboard

#include <bits/stdc++.h>
 
#define ll long long int
#define pb push_back
#define ui unsigned int
#define ld long double
#define pl pair<long long int, long long int>
#define boost ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
#define ff first
#define ss second
 
using namespace std;
 
const ll maxn = 1e6 + 101;
// const ll inf = 1e17 + 9;
// const ll mod = 1e9 + 7;
// const double eps = 1e-10;
// const ll num = 4294967295;
 

 
void solve()
{
    ll n, k;
 
    cin >> n >> k;
 
    for(ll i = 1; i <= k; i++){
        ll x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;
    }
    ll ans = 0;
    for(ll i = 1; i <= n; i++){
        for(ll j = 1; j <= n; j++){
            if(i % 2 == j % 2){
                ans++;
            }

        }
    }
    cout << min(ans, n * n - ans);
}
 
int main()
{
    solve();
}  

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