Submission #1588358
Source Code Expand
using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Linq.Expressions; using System.Text; class Simple { int N, M; //int[] a, b; bool[,] G; void Solve() { //input N = io.Int; M = io.Int; G = new bool[N, N]; for (int i = 0; i < M;++i){ var a = io.Int-1; var b = io.Int-1; G[a, b] = G[b, a] = true; } //cal bool[] visited = new bool[N]; visited[0] = true; int ans = dfs(visited, 0); //res Console.WriteLine(ans); } int dfs(bool[] vis,int cur){ if (vis.All(f => f)) return 1; int ret = 0; for (int i = 0; i < N;++i){ if(G[cur,i]&&!vis[i]){ vis[i] = true; ret += dfs(vis, i); vis[i] = false; } } return ret; } SimpleIO io = new SimpleIO(); public static void Main(string[] args) { new Simple().Stream(); } void Stream() { Solve(); io.writeFlush(); } } class SimpleIO { string[] nextBuffer; int BufferCnt; char[] cs = new char[] { ' ' }; StreamWriter sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; public SimpleIO() { nextBuffer = new string[0]; BufferCnt = 0; Console.SetOut(sw); } public string Next() { if (BufferCnt < nextBuffer.Length) return nextBuffer[BufferCnt++]; string st = Console.ReadLine(); while (st == "") st = Console.ReadLine(); nextBuffer = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); BufferCnt = 0; return nextBuffer[BufferCnt++]; } public string String => Next(); public char Char => char.Parse(String); public int Int => int.Parse(String); public long Long => long.Parse(String); public double Double => double.Parse(String); public void writeFlush() { Console.Out.Flush(); } }
Submission Info
Submission Time | |
---|---|
Task | C - One-stroke Path |
User | rui0422 |
Language | C# (Mono 4.6.2.0) |
Score | 300 |
Code Size | 2163 Byte |
Status | AC |
Exec Time | 24 ms |
Memory | 13268 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 | 22 ms | 11092 KB |
sample_02.txt | AC | 21 ms | 11220 KB |
subtask_1_01.txt | AC | 21 ms | 11220 KB |
subtask_1_02.txt | AC | 22 ms | 13268 KB |
subtask_1_03.txt | AC | 21 ms | 13268 KB |
subtask_1_04.txt | AC | 24 ms | 11220 KB |
subtask_1_05.txt | AC | 21 ms | 11220 KB |
subtask_1_06.txt | AC | 21 ms | 11220 KB |
subtask_1_07.txt | AC | 21 ms | 11220 KB |
subtask_1_08.txt | AC | 21 ms | 11220 KB |
subtask_1_09.txt | AC | 22 ms | 11220 KB |
subtask_1_10.txt | AC | 21 ms | 9172 KB |
subtask_1_11.txt | AC | 21 ms | 11220 KB |
subtask_1_12.txt | AC | 22 ms | 11220 KB |
subtask_1_13.txt | AC | 23 ms | 13268 KB |