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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#260151#7687. Randias Permutation Taskjean#WA 1ms3864kbC++14995b2023-11-21 21:10:132023-11-21 21:10:14

Judging History

你现在查看的是最新测评结果

  • [2023-11-21 21:10:14]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3864kb
  • [2023-11-21 21:10:13]
  • 提交

answer

#include"bits/stdc++.h"

using namespace std;

const long long N = 1e6 + 10;
const long long mod = 1e9 + 7;

long long n, m, ans = 0;

unordered_map<string, long long> mp;
string ss[200];
vector<long long> vis(200, 0);

string make(string s1, string s2) {
	string s3;
	s3 += " ";
	for(long long i = 1; i <= n; i++) {
		s3 += s1[s2[i] - '0'];
	}
	return s3;
}

void dfs(string s, long long k) {
	if(mp[s]) return;
	ans++;
	ans %= mod;
	mp[s] = 1;
	for(long long i = k + 1; i <= m; i++) {
		if(vis[i]) continue;
		vis[i] = 1;
		dfs(make(s, ss[i]), i);
		vis[i] = 0;
	}
}

void solve() {
	cin >> n >> m;
	for(long long i = 1; i <= m; i++) {
		ss[i] += " ";
		for(long long j = 1; j <= n; j++) {
			string x;
			cin >> x;
			ss[i] += x;
		}
	}
	for(long long i = 1; i <= m; i++) {
		vis[i] = 1;
		dfs(ss[i], i);
		vis[i] = 0;
	}
	cout << ans << "\n";
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3792kb

input:

5 4
1 2 3 4 5
5 1 3 4 2
3 4 1 5 2
5 2 4 1 3

output:

8

result:

ok 1 number(s): "8"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

2 1
2 1

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

1 180
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
...

output:

1

result:

ok 1 number(s): "1"

Test #4:

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

input:

180 1
52 71 167 89 165 102 119 125 9 128 180 24 48 172 108 22 164 28 159 111 30 91 67 51 136 97 126 133 177 65 115 157 114 11 171 178 23 127 163 103 99 18 56 94 176 77 44 1 124 74 61 87 4 40 63 92 169 84 146 6 88 55 152 49 10 90 43 174 70 50 69 154 73 147 110 20 82 59 112 12 64 143 16 138 5 170 155 ...

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

2 90
1 2
1 2
1 2
1 2
2 1
2 1
2 1
2 1
1 2
2 1
1 2
1 2
1 2
2 1
2 1
2 1
2 1
1 2
1 2
1 2
1 2
2 1
1 2
2 1
1 2
1 2
1 2
2 1
2 1
1 2
2 1
1 2
2 1
1 2
1 2
2 1
1 2
2 1
2 1
2 1
2 1
1 2
2 1
2 1
2 1
2 1
1 2
1 2
2 1
2 1
1 2
1 2
1 2
2 1
1 2
2 1
2 1
1 2
2 1
2 1
2 1
2 1
2 1
2 1
2 1
1 2
1 2
1 2
2 1
1 2
1 2
2 1
1 2
1 2...

output:

2

result:

ok 1 number(s): "2"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

90 2
43 44 28 69 66 18 5 23 87 8 24 89 31 29 81 1 68 2 78 53 49 54 4 13 77 61 33 57 63 85 55 79 46 35 45 64 65 42 30 6 19 74 82 80 17 26 32 59 7 72 16 3 47 73 39 36 25 34 56 86 71 62 84 40 41 11 50 27 20 14 37 12 38 58 48 83 76 70 51 88 22 90 21 9 10 60 15 52 75 67
9 73 52 51 81 16 71 77 6 57 11 75 ...

output:

3

result:

ok 1 number(s): "3"

Test #7:

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

input:

3 60
2 1 3
3 1 2
3 2 1
1 2 3
1 2 3
3 2 1
3 1 2
2 3 1
2 1 3
3 1 2
2 3 1
2 3 1
2 1 3
3 2 1
3 1 2
3 2 1
1 2 3
2 1 3
2 1 3
2 1 3
2 3 1
2 3 1
2 3 1
3 1 2
1 2 3
3 1 2
2 3 1
2 3 1
2 1 3
1 2 3
3 1 2
2 1 3
2 3 1
2 3 1
2 3 1
3 1 2
2 3 1
1 2 3
1 2 3
3 2 1
3 1 2
3 1 2
2 3 1
1 3 2
3 1 2
1 3 2
1 2 3
1 3 2
1 3 2
3...

output:

6

result:

ok 1 number(s): "6"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

60 3
35 38 36 43 59 60 20 16 8 51 58 18 33 26 44 7 41 27 39 9 37 48 25 40 30 14 21 13 5 1 19 11 3 28 57 47 17 56 45 34 12 49 29 32 55 24 31 50 42 22 53 23 4 15 2 46 6 10 52 54
41 49 10 55 3 38 35 29 6 26 2 46 58 39 24 47 51 25 44 37 42 43 20 53 60 12 40 17 28 13 27 57 15 52 8 22 11 14 59 21 48 9 32 ...

output:

7

result:

ok 1 number(s): "7"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

4 45
1 3 4 2
2 3 4 1
4 1 3 2
4 1 2 3
1 4 3 2
3 4 2 1
2 3 4 1
1 3 2 4
2 1 4 3
4 2 3 1
4 1 3 2
1 3 4 2
2 4 3 1
4 2 3 1
1 3 2 4
3 2 1 4
2 3 4 1
3 2 4 1
1 2 4 3
4 1 2 3
4 3 2 1
3 4 1 2
1 3 2 4
2 4 3 1
4 2 1 3
2 3 4 1
4 2 1 3
4 2 3 1
1 2 3 4
1 3 2 4
1 4 3 2
3 2 4 1
2 3 1 4
1 3 4 2
3 1 2 4
1 3 2 4
3 2 4 1...

output:

24

result:

ok 1 number(s): "24"

Test #10:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

45 4
44 38 33 27 25 17 35 4 22 41 15 3 10 16 21 28 23 19 34 37 2 32 43 12 6 31 29 9 45 18 11 30 13 26 42 5 39 40 8 24 14 1 7 20 36
28 43 12 34 21 7 20 26 13 1 25 4 44 32 11 15 33 18 14 5 6 42 45 36 9 35 2 30 38 10 41 27 17 23 19 8 29 16 3 37 40 31 39 22 24
5 22 23 43 36 33 29 39 44 9 35 34 7 42 8 11...

output:

15

result:

ok 1 number(s): "15"

Test #11:

score: -100
Wrong Answer
time: 1ms
memory: 3732kb

input:

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

output:

862

result:

wrong answer 1st numbers differ - expected: '1023', found: '862'