QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#690196#5438. Half Mixeducup-team1329TL 0ms3524kbC++171.3kb2024-10-30 20:56:412024-10-30 20:56:43

Judging History

你现在查看的是最新测评结果

  • [2024-10-30 20:56:43]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:3524kb
  • [2024-10-30 20:56:41]
  • 提交

answer

#include <bits/stdc++.h>

using i64 = long long;
using A2 = std::array<i64, 2>;

#define Fast_IOS \
	std::ios::sync_with_stdio(false), \
	std::cin.tie(0), \
	std::cout.tie(0)

const i64 mod = 998244353;

class ICPC {
public:
	int N, T = 1;

	ICPC() {
		Fast_IOS;
		std::cin >> T;
	}

	void solve() {
		int n, m;
		std::cin >> n >> m;
		if (n * (n + 1) % 4 != 0 && m * (m + 1) % 4 != 0) {
			return (void)(std::cout << "No\n");
		}
		std::cout << "Yes\n";
		if (n * (n + 1) % 4 != 0) {
			std::swap(n, m);
		}
		int flag = 0;
		std::vector<int> ans;
		auto dfs = [&](auto self, int rest, int x) -> void {
			if (flag) {
				return;
			}
			if (rest == 0 || x == 0) {
				if (rest == 0 && x == 0) {
					flag = 1;
					std::vector<int> res;
					int j = 0;
					for (auto x : ans) {
						j ^= 1;
						for (int i = 0; i < x; i++) {
							res.push_back(j);
						}
					}
					for (int i = 0; i < m; i++) {
						for (auto x : res) {
							std::cout << x << ' ';
						}
						std::cout << '\n';
					}
				}
				return;
			}
			for (int i = x; i >= 1; i--) {
				ans.push_back(i);
				self(self, rest - i * (i + 1) / 2, x - i);
				ans.pop_back();
			}
		};
		dfs(dfs, n * (n + 1) / 4, n);
	}
};

int main() {
	ICPC icpc;
	while (icpc.T--) {
		icpc.solve();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3524kb

input:

2
2 3
1 1

output:

Yes
1 0 1 
1 0 1 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Time Limit Exceeded

input:

5382
1 1
1 2
2 1
1 3
2 2
3 1
1 4
2 3
3 2
4 1
1 5
2 4
3 3
4 2
5 1
1 6
2 5
3 4
4 3
5 2
6 1
1 7
2 6
3 5
4 4
5 3
6 2
7 1
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
1 9
2 8
3 7
4 6
5 5
6 4
7 3
8 2
9 1
1 10
2 9
3 8
4 7
5 6
6 5
7 4
8 3
9 2
10 1
1 11
2 10
3 9
4 8
5 7
6 6
7 5
8 4
9 3
10 2
11 1
1 12
2 11
3 10
4 9
5 8
6 ...

output:

No
No
No
Yes
1 0 1 
No
Yes
1 0 1 
Yes
1 1 0 1 
Yes
1 0 1 
1 0 1 
Yes
1 0 1 
1 0 1 
Yes
1 1 0 1 
No
Yes
1 1 0 1 
1 1 0 1 
Yes
1 0 1 
1 0 1 
1 0 1 
Yes
1 1 0 1 
1 1 0 1 
No
No
No
Yes
1 0 1 
1 0 1 
1 0 1 
1 0 1 
Yes
1 1 0 1 
1 1 0 1 
1 1 0 1 
No
No
Yes
1 1 1 1 0 0 1 
No
Yes
1 0 1 
1 0 1 
1 0 1 
1 0 1 
...

result: