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
AC × 5
AC × 83
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