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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
#275858#7687. Randias Permutation Taskship2077WA 109ms24536kbC++14794b2023-12-05 10:11:252023-12-05 10:11:25

Judging History

你现在查看的是最新测评结果

  • [2023-12-05 10:11:25]
  • 评测
  • 测评结果:WA
  • 用时:109ms
  • 内存:24536kb
  • [2023-12-05 10:11:25]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
constexpr int M=188;
unordered_map<ull,int>mp[M];
int n,m,a[M],p[M][M],p_[M][M];
int read(){
	int x=0,f=1;char ch=getchar();
	while (!isdigit(ch)) {if (ch=='-') f=-1;ch=getchar();}
	while (isdigit(ch)) x=x*10+ch-48,ch=getchar();
	return x*f;
}
void dfs(int x,bool f){
	if (x>m&&!f) return ;ull h=0;
	for (int i=1;i<=n;i++) h=h*233+a[i];
	if (mp[x][h]) return ;mp[x][h]=1;
	if (x>m) return ;
	for (int i=1;i<=n;i++) a[i]=p[x][a[i]];
	dfs(x+1,1);
	for (int i=1;i<=n;i++) a[i]=p_[x][a[i]];
	dfs(x+1,f); 
}
int main(){
	n=read();m=read();
	for (int i=1;i<=m;i++)
		for (int j=1;j<=n;j++)
			p_[i][p[i][j]=read()]=j;
	iota(a+1,a+1+n,1);dfs(1,0);
	printf("%lld\n",mp[m+1].size());
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3640kb

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: 3632kb

input:

2 1
2 1

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: 0
Accepted
time: 1ms
memory: 3936kb

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: 3744kb

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: 1ms
memory: 3828kb

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: 1ms
memory: 3620kb

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: 1ms
memory: 3784kb

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: 1ms
memory: 3680kb

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: 1ms
memory: 3748kb

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: 3640kb

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: 0
Accepted
time: 1ms
memory: 3720kb

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:

1023

result:

ok 1 number(s): "1023"

Test #12:

score: -100
Wrong Answer
time: 109ms
memory: 24536kb

input:

10 18
9 6 4 8 3 7 10 1 2 5
10 9 8 3 5 6 1 2 7 4
8 2 5 4 9 3 1 7 6 10
10 5 2 8 1 6 4 7 9 3
2 3 5 4 10 9 6 8 7 1
6 7 8 10 5 3 4 1 9 2
10 6 4 2 1 5 3 8 9 7
6 8 9 1 2 4 5 3 7 10
7 6 3 1 5 9 2 10 4 8
10 5 7 4 9 1 2 6 3 8
5 4 6 9 3 7 8 1 2 10
5 9 8 2 7 1 3 10 6 4
5 2 10 3 7 1 4 6 9 8
1 10 2 6 5 7 8 9 3 4
...

output:

253272

result:

wrong answer 1st numbers differ - expected: '252941', found: '253272'