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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#775813#9788. Shrecklessucup-team191#WA 13ms3624kbC++23996b2024-11-23 16:46:382024-11-23 16:46:38

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 16:46:38]
  • 评测
  • 测评结果:WA
  • 用时:13ms
  • 内存:3624kb
  • [2024-11-23 16:46:38]
  • 提交

answer

#include <bits/stdc++.h>
#define X first
#define Y second
#define PB push_back

using namespace std;

typedef vector<int> vi;
typedef long long ll;

const int N = 3e5 + 2;

int t, n, m;
vector<int> a[N];

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	
	cin >> t;
	while (t--) {
		cin >> n >> m;
		for (int i = 0; i < n; ++i) {
			a[i].resize(m);
			for (int j = 0; j < m; ++j) cin >> a[i][j];
		}
		vector<int> v = {};
		multiset<int> ms;
		for (int i = 0; i < n; ++i) v.push_back(a[i][0]);
		
		for (int j = 1; j < m; ++j) {
			vector<int> cur = {};
			sort(v.begin(), v.end());
			for (int i = 0; i < n; ++i) ms.insert(a[i][j]);
			
			for (int x : v) {
				auto it = ms.lower_bound(x);
				if (it == ms.begin()) {
					cur.push_back(*--ms.end());
					ms.erase(--ms.end());
				} else {
					--it;
					ms.erase(it);
				}
			}
			swap(v, cur);
		}
		
		if (v.empty()) cout << "YES\n";
		else cout << "NO\n";
	}
	
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3540kb

input:

3
2 2
69 69
2024 42
3 3
1 1 1
1 1 1
2 2 2
3 4
1 1 1 1
1 1 1 1
2 2 2 2

output:

YES
NO
YES

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

3
2 2
69 69
2024 42
3 3
1 1 1
1 1 1
2 2 2
3 4
1 1 1 1
1 1 1 1
2 2 2 2

output:

YES
NO
YES

result:

ok 3 token(s): yes count is 2, no count is 1

Test #3:

score: -100
Wrong Answer
time: 13ms
memory: 3624kb

input:

20000
6 2
12 4
8 24
2 10
1 22
3 15
18 20
3 3
3 8 18
2 17 15
13 4 6
3 3
7 17 15
8 6 3
18 13 9
3 3
2 3 14
1 7 17
4 6 13
3 3
6 10 14
3 9 13
1 7 15
2 4
1 3 16 14
6 10 4 2
3 3
3 2 17
7 11 13
16 5 18
2 3
2 3 6
4 1 5
2 4
4 6 13 14
2 11 12 16
3 3
2 8 12
4 9 17
5 7 18
3 2
5 10
8 9
1 6
2 2
2 4
1 3
2 3
12 6 1
...

output:

NO
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO
NO
YES
YES
YES
NO
NO
NO
YES
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
YES
YES
N...

result:

wrong answer expected NO, found YES [24th token]