제출 #1049047

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1049047		EntityPlantt	Make them Meet (EGOI24_makethemmeet)	C++17	34 / 100	1 ms	392 KiB

Main

#include <iostream>
using namespace std;

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, x;
	cin >> n >> x;
	if (x >= n) {
		cout << n * 2 + 10 << '\n';
		for (int i = 0; i < n + 5; i++) {
			for (int j = 0; j < n; j++) cout << j / 2 << ' ';
			cout << '\n';
			for (int j = 0; j < n; j++) cout << (j + 1) / 2 << ' ';
			cout << '\n';
		}
		return 0;
	}
	cin >> x >> x >> x;
	if (x) {
		cout << n * 2 + 10 << '\n';
		for (int i = 0; i < n + 5; i++) {
			for (int j = 0; j < n; j++) cout << (j & 2) / 2 << ' ';
			cout << '\n';
			for (int j = 0; j < n; j++) cout << (j + 1 & 2) / 2 << ' ';
			cout << '\n';
		}
		return 0;
	}
	cout << "3\n";
	for (int i = 0; i < n; i++) cout << "0 ";
	cout << "\n0 0";
	for (int i = 2; i < n; i++) cout << ' ' << i;
	cout << '\n';
	for (int i = 0; i < n; i++) cout << "0 ";
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:25:43: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   25 |    for (int j = 0; j < n; j++) cout << (j + 1 & 2) / 2 << ' ';
      |                                         ~~^~~

• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 11 / 11
• Subtask 4: 0 / 36
• Subtask 5: 0 / 30