Submission #3416121
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define rep(i, x, n) for(long i = x; i < n; i++) #define erep(i, x, n) for(long i = x; i <= n; i++) #define all(a) a.begin(), a.end() #define eall(a) a.begin()+1, a.end() #define show(ans) cout << ans << endl; const long MOD = 1000000007; long N, M; long cnt = 0; vector<bool> vis(9, false); vector<vector<long>> s(9); bool check(){ erep(i, 1, N){ if(vis[i] == false){ return false; } } return true; } void dfs(long x){ vis[x] = true; if(check() == true){ cnt++; vis[x] = false; return; } rep(i, 0, s[x].size()){ if(vis[s[x][i]] == false) dfs(s[x][i]); } vis[x] = false; return; } int main(){ cin >> N >> M; erep(i, 1, M){ long a1, b1; cin >> a1 >> b1; s[a1].push_back(b1); s[b1].push_back(a1); } dfs(1); show(cnt); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - One-stroke Path |
User | mu55 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 884 Byte |
Status | AC |
Exec Time | 1 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 | 1 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 |