#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define int long long
using namespace std;
const int N=1e6,M=2e3,mod=1e9+7;
int cnt=0,n,vis[10],viss[10];
set<vector<int>>st;
void bt(int index)
{
if(index==n)
{
for(int j=0;j<=n;j++)
viss[j]=0;
for(int j=0;j<n;j++)
viss[vis[j]]++;
int ok=0;
for(int j=1;j<=n;j++){
if(viss[j]==j)
ok=1;
}
vector<int>v;
for(int j=0;j<n;j++)
v.pb(vis[j]);
if(ok==1)
st.insert(v);
return ;
}
for(int i=1; i<=n; i++)
{
vis[index]=i;
bt(index+1);
}
}
main()
{
cin>>n;
bt(0);
cout<<st.size()<<endl;
return 0;
}
Compilation message
zapina.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
48 | main()
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
18 ms |
3492 KB |
Output is correct |
5 |
Correct |
452 ms |
57096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
18 ms |
3492 KB |
Output is correct |
5 |
Correct |
452 ms |
57096 KB |
Output is correct |
6 |
Execution timed out |
1093 ms |
104440 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
18 ms |
3492 KB |
Output is correct |
5 |
Correct |
452 ms |
57096 KB |
Output is correct |
6 |
Execution timed out |
1093 ms |
104440 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |