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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
#668657#7900. Gifts from KnowledgenageingWA 9ms3796kbC++201.3kb2024-10-23 15:23:422024-10-23 15:23:47

Judging History

你现在查看的是最新测评结果

  • [2024-10-23 15:23:47]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3796kb
  • [2024-10-23 15:23:42]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pii;
const int mod = 1e9 + 7;
bool chmin(int &x, int y) {
	if (x > y) {
		x = y;
		return 1;
	}
	return 0;
}
bool chmax(int &x, int y) {
	if (x < y) {
		x = y;
		return 1;
	}
	return 0;
}

void solve() {
	int n, m;
	cin >> n >> m;
	vector<string>g(n);
	for (int i = 0; i < n; i ++) {
		cin >> g[i];
	}
	vector<int> cnt(m);
	for (int i = 0; i < n; i ++) {
		for (int j = 0; j < m; j ++) {
			if (g[i][j] == '1') {
				cnt[j] ++;
				cnt[m - j - 1] ++;
			}
		}
	}
	ll ans = 1;

	for (int i = 0; i < m; i ++) {
		if (cnt[i] > 2) {
			cout << 0 << '\n';
			return;
		}
	}


	for (int i = 0; i < n; i ++) {
		bool ok = 1;
		for (int j = 0; j < m; j ++) {
			if (g[i][j] == '1') {
				if (cnt[j] == 2) {
					cnt[j] ++;
					if (g[i][m - j - 1] != '1') cnt[m - j - 1] ++;
				} else if (cnt[j] == 1) {
					cnt[j] += 2;
					cnt[m - j - 1] += 2;
				} else {
					ok = 0;
				}
			}
		}
		if (ok) ans = ans * 2 % mod;
		//cout << ans << '\n';
	} 
	cout << ans << '\n';

}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr); cout.tie(nullptr);
	int t = 1;
	cin >> t;
	while (t --) {
		solve();
	}

	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3612kb

input:

3
3 5
01100
10001
00010
2 1
1
1
2 3
001
001

output:

4
0
2

result:

ok 3 number(s): "4 0 2"

Test #2:

score: 0
Accepted
time: 8ms
memory: 3548kb

input:

15613
10 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
15 8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
1 5
00000
5 9
000000000
000000000
0000...

output:

1024
32768
2
32
32768
128
32
16
16
2
16384
16384
128
128
32768
8192
128
64
16384
2
4
2
4096
16
4096
1024
32768
32768
16384
8
128
2
16
4096
8192
32768
8192
8192
16
16384
16384
256
128
8
256
8
4096
512
2
4
32
32
2
64
512
1024
32768
32768
2
64
16384
16
8192
16
256
16
64
8192
8192
64
1024
2
32768
2
4
51...

result:

ok 15613 numbers

Test #3:

score: -100
Wrong Answer
time: 9ms
memory: 3796kb

input:

15759
9 6
000000
000000
000000
000000
000000
000000
000000
000000
000000
5 15
010000000000000
000000000000000
000000000000000
000100000000000
000100000000000
14 12
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000...

output:

512
16
16384
512
1024
4096
32768
4
2
512
512
512
512
8
2
256
16
4096
512
64
16
4096
512
32
32768
8192
32
2048
128
16
4096
64
32768
256
32
16384
8
512
32
2048
8
16
1024
2048
128
64
32
8
512
8
8192
256
8192
32768
2
8
512
512
256
32
2
2048
8192
8
64
8
2
16384
32768
32768
1024
4096
16384
16384
128
256
4...

result:

wrong answer 462nd numbers differ - expected: '8192', found: '16384'