Submission #6608022
Source Code Expand
// luogu-judger-enable-o2 #pragma GCC optimize(1) #pragma GCC optimize(2) #pragma GCC optimize(3) #include<bits/stdc++.h> using namespace std; int n,m,tail,head,q[250010][3],sx,sy,ex,ey,f; int d[4][2]={{-1,0},{1,0},{0,-1},{0,1}}; bool vis[510][510],maps[510][510]; char c; void bfs(){ head=0;tail=1; while(head<tail){ head++; for(int i=0;i<4;i++){ int xx=q[head][0]+d[i][0]; int yy=q[head][1]+d[i][1]; if(xx>=1&&xx<=n&&yy>=1&&yy<=m&&maps[xx][yy]&&!vis[xx][yy]){ if(xx==ex&&yy==ey){ f=1; return; } vis[xx][yy]=1; tail++; q[tail][0]=xx; q[tail][1]=yy; q[tail][2]=q[head][2]+1; } } } } int main(){ scanf("%d%d",&n,&m); for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ cin>>c; if(c=='s')sx=i,sy=j,maps[i][j]=1; if(c=='g')ex=i,ey=j,maps[i][j]=1; if(c=='.')maps[i][j]=1; } } vis[sx][sy]=1; q[1][0]=sx; q[1][1]=sy; q[1][2]=0; bfs(); if(f)cout<<"Yes"; else cout<<"No"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - 深さ優先探索 |
User | luogu_bot2 |
Language | C++ (GCC 5.4.1) |
Score | 100 |
Code Size | 992 Byte |
Status | AC |
Exec Time | 21 ms |
Memory | 2688 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:34:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt |
All | 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_min_01.txt | AC | 1 ms | 256 KB |
00_min_02.txt | AC | 1 ms | 256 KB |
00_min_03.txt | AC | 1 ms | 256 KB |
00_min_04.txt | AC | 1 ms | 256 KB |
00_min_05.txt | AC | 1 ms | 256 KB |
00_min_06.txt | AC | 1 ms | 256 KB |
00_min_07.txt | AC | 1 ms | 256 KB |
00_min_08.txt | AC | 1 ms | 256 KB |
00_sample_01.txt | AC | 1 ms | 256 KB |
00_sample_02.txt | AC | 1 ms | 256 KB |
00_sample_03.txt | AC | 1 ms | 256 KB |
00_sample_04.txt | AC | 1 ms | 256 KB |
00_sample_05.txt | AC | 1 ms | 256 KB |
01_rnd_00.txt | AC | 14 ms | 256 KB |
01_rnd_01.txt | AC | 15 ms | 896 KB |
01_rnd_02.txt | AC | 18 ms | 1408 KB |
01_rnd_03.txt | AC | 17 ms | 2688 KB |
01_rnd_04.txt | AC | 17 ms | 1664 KB |
01_rnd_05.txt | AC | 16 ms | 512 KB |
01_rnd_06.txt | AC | 20 ms | 2048 KB |
01_rnd_07.txt | AC | 19 ms | 1920 KB |
01_rnd_08.txt | AC | 15 ms | 512 KB |
01_rnd_09.txt | AC | 16 ms | 512 KB |
01_rnd_10.txt | AC | 20 ms | 2048 KB |
01_rnd_11.txt | AC | 15 ms | 512 KB |
01_rnd_12.txt | AC | 19 ms | 2560 KB |
01_rnd_13.txt | AC | 15 ms | 512 KB |
01_rnd_14.txt | AC | 16 ms | 512 KB |
01_rnd_15.txt | AC | 19 ms | 1792 KB |
01_rnd_16.txt | AC | 15 ms | 512 KB |
01_rnd_17.txt | AC | 21 ms | 2304 KB |
01_rnd_18.txt | AC | 15 ms | 512 KB |
01_rnd_19.txt | AC | 16 ms | 1536 KB |
02_rndhard_00.txt | AC | 16 ms | 512 KB |
02_rndhard_01.txt | AC | 16 ms | 512 KB |
02_rndhard_02.txt | AC | 17 ms | 1024 KB |
02_rndhard_03.txt | AC | 17 ms | 896 KB |
02_rndhard_04.txt | AC | 15 ms | 512 KB |
02_rndhard_05.txt | AC | 16 ms | 512 KB |
02_rndhard_06.txt | AC | 16 ms | 512 KB |
02_rndhard_07.txt | AC | 16 ms | 512 KB |
02_rndhard_08.txt | AC | 16 ms | 640 KB |
02_rndhard_09.txt | AC | 16 ms | 640 KB |
02_rndhard_10.txt | AC | 16 ms | 640 KB |
02_rndhard_11.txt | AC | 16 ms | 640 KB |
02_rndhard_12.txt | AC | 16 ms | 640 KB |
02_rndhard_13.txt | AC | 16 ms | 640 KB |
02_rndhard_14.txt | AC | 16 ms | 640 KB |
02_rndhard_15.txt | AC | 17 ms | 640 KB |
02_rndhard_16.txt | AC | 16 ms | 512 KB |
02_rndhard_17.txt | AC | 16 ms | 512 KB |
02_rndhard_18.txt | AC | 16 ms | 512 KB |
02_rndhard_19.txt | AC | 16 ms | 512 KB |
02_rndhard_20.txt | AC | 16 ms | 512 KB |
02_rndhard_21.txt | AC | 18 ms | 512 KB |
02_rndhard_22.txt | AC | 16 ms | 640 KB |
02_rndhard_23.txt | AC | 16 ms | 640 KB |
02_rndhard_24.txt | AC | 16 ms | 512 KB |
02_rndhard_25.txt | AC | 16 ms | 512 KB |
02_rndhard_26.txt | AC | 16 ms | 512 KB |
02_rndhard_27.txt | AC | 16 ms | 512 KB |
02_rndhard_28.txt | AC | 16 ms | 512 KB |
02_rndhard_29.txt | AC | 16 ms | 512 KB |
02_rndhard_30.txt | AC | 16 ms | 512 KB |
02_rndhard_31.txt | AC | 16 ms | 512 KB |
02_rndhard_32.txt | AC | 16 ms | 640 KB |
02_rndhard_33.txt | AC | 16 ms | 640 KB |
02_rndhard_34.txt | AC | 16 ms | 512 KB |
02_rndhard_35.txt | AC | 16 ms | 512 KB |
02_rndhard_36.txt | AC | 16 ms | 512 KB |
02_rndhard_37.txt | AC | 16 ms | 512 KB |
02_rndhard_38.txt | AC | 16 ms | 512 KB |
02_rndhard_39.txt | AC | 16 ms | 512 KB |
03_rndhardsmall_00.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_01.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_02.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_03.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_04.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_05.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_06.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_07.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_08.txt | AC | 1 ms | 256 KB |
03_rndhardsmall_09.txt | AC | 1 ms | 256 KB |