Submission #1767103
Source Code Expand
#include<iostream> #include<string> #include<vector> #include<utility> #include<queue> #include<algorithm> #include<cmath> #include<cstdio> #include<cstring> #define INF 2147483647 #define llINF 9223372036854775807 #define pb push_back #define mp make_pair #define F first #define S second #define ll long long using namespace std; vector<vector<int> >vvi(10); int n,m; int ans=0; void dfs(int now,int bit,int depth){ if(depth==n){ ans++; return; } for(int i=0;i<vvi[now].size();i++){ if((bit&(1<<vvi[now][i]))==0){ dfs(vvi[now][i],bit+(1<<vvi[now][i]),depth+1); } } } int main(){ cin>>n>>m; for(int i=0;i<m;i++){ int a,b;cin>>a>>b; vvi[a].pb(b); vvi[b].pb(a); } dfs(1,2,1); cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - One-stroke Path |
User | shi |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 803 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt |
All | sample_01.txt, sample_02.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 1 ms | 256 KB |
subtask_1_02.txt | AC | 1 ms | 256 KB |
subtask_1_03.txt | AC | 1 ms | 256 KB |
subtask_1_04.txt | AC | 2 ms | 256 KB |
subtask_1_05.txt | AC | 1 ms | 256 KB |
subtask_1_06.txt | AC | 1 ms | 256 KB |
subtask_1_07.txt | AC | 1 ms | 256 KB |
subtask_1_08.txt | AC | 1 ms | 256 KB |
subtask_1_09.txt | AC | 1 ms | 256 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 1 ms | 256 KB |
subtask_1_12.txt | AC | 1 ms | 256 KB |
subtask_1_13.txt | AC | 1 ms | 256 KB |