Submission #1027926

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027926		mansur	Tiles (BOI24_tiles)	C++17	4 / 100	25 ms	3536 KiB

Main

#include<bits/stdc++.h>

using namespace std;

#define rall(s) s.rbegin(), s.rend()
#define all(s) s.begin(), s.end()
#define sz(s) (int)s.size()
#define s second
#define f first

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int N = 1e6;
const int inf = 1e9;

void solve() {
	int n, m;
	cin >> n >> m;
	int x[n + 1], y[n + 1];
	for (int i = 1; i <= n; i++) cin >> x[i] >> y[i];
	if (n & 1) cout << 5 / 0;
	if (n <= 4) {
		sort(y + 1, y + n + 1);
		if ((y[n] - y[1]) & 1) cout << 0 << ' ';
		else cout << m - (m & 1);
		return;
	}
	for (int i = 1; i <= n; i++) {
		if ((y[i] & 1) || (x[i] & 1)) {
			cout << x[i] - (x[i] & 1);
			return;
		}
	}
	cout << m - (m & 1);
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	solve();
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:23:23: warning: division by zero [-Wdiv-by-zero]
   23 |  if (n & 1) cout << 5 / 0;
      |                     ~~^~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 9
• Subtask 3: 0 / 11
• Subtask 4: 0 / 19
• Subtask 5: 0 / 22
• Subtask 6: 0 / 25
• Subtask 7: 0 / 10