Submission #7613091


Source Code Expand

#include<cstdio>
#include<cstring>
#include<queue>
using namespace std;
int way[4][2]={{-1,0},{0,1},{0,-1},{1,0}};
char pic[1000][1000];
bool vis[1000][1000];
int n,m;
int x1,y1,x2,y2;
struct jj{
	int x,y,ans;
}node;
queue<jj> que;
int bfs(){
	int x=x1,y=y1,ans;
	vis[x1][y1]=true;
	node.x=x1;node.y=y1;node.ans=1;
	que.push(node);
	while(!que.empty()){
		x=que.front().x;
		y=que.front().y;
		ans=que.front().ans;
		que.pop();
		if(x==x2&&y==y2){
			return ans;
		}
		for(int i=0,dx,dy;i<4;i++){
			dx=x+way[i][0];
			dy=y+way[i][1];
			if(pic[dx][dy]!='#'&& !vis[dx][dy]){
				vis[dx][dy]=true;
				node.x=dx;node.y=dy;node.ans=ans+1;
		        que.push(node);	
			}
		}
	}
	return -1;
}
int main(){
	memset(pic,'#',sizeof(pic));
	memset(vis,0,sizeof(vis));
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			scanf(" %c",&pic[i][j]);
			if(pic[i][j]=='s'){
				x1=i,y1=j;
			} else if(pic[i][j]=='g'){
				x2=i;y2=j;
			}
		}
	}
	int s=bfs();
	if(s==-1){
		printf("No");
	}
	else printf("Yes");
	return 0;
}

Submission Info

Submission Time
Task A - 深さ優先探索
User luogu_bot4
Language C++ (GCC 5.4.1)
Score 100
Code Size 1090 Byte
Status AC
Exec Time 17 ms
Memory 2304 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:45:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c",&pic[i][j]);
                           ^

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 2 ms 2176 KB
00_min_02.txt AC 2 ms 2176 KB
00_min_03.txt AC 2 ms 2176 KB
00_min_04.txt AC 2 ms 2176 KB
00_min_05.txt AC 2 ms 2176 KB
00_min_06.txt AC 2 ms 2176 KB
00_min_07.txt AC 2 ms 2176 KB
00_min_08.txt AC 2 ms 2176 KB
00_sample_01.txt AC 2 ms 2176 KB
00_sample_02.txt AC 2 ms 2176 KB
00_sample_03.txt AC 2 ms 2176 KB
00_sample_04.txt AC 2 ms 2176 KB
00_sample_05.txt AC 2 ms 2176 KB
01_rnd_00.txt AC 13 ms 2176 KB
01_rnd_01.txt AC 13 ms 2176 KB
01_rnd_02.txt AC 15 ms 2176 KB
01_rnd_03.txt AC 15 ms 2176 KB
01_rnd_04.txt AC 15 ms 2304 KB
01_rnd_05.txt AC 13 ms 2176 KB
01_rnd_06.txt AC 17 ms 2176 KB
01_rnd_07.txt AC 16 ms 2176 KB
01_rnd_08.txt AC 13 ms 2176 KB
01_rnd_09.txt AC 13 ms 2176 KB
01_rnd_10.txt AC 17 ms 2176 KB
01_rnd_11.txt AC 13 ms 2176 KB
01_rnd_12.txt AC 17 ms 2176 KB
01_rnd_13.txt AC 13 ms 2176 KB
01_rnd_14.txt AC 13 ms 2176 KB
01_rnd_15.txt AC 16 ms 2176 KB
01_rnd_16.txt AC 13 ms 2176 KB
01_rnd_17.txt AC 17 ms 2176 KB
01_rnd_18.txt AC 13 ms 2176 KB
01_rnd_19.txt AC 14 ms 2176 KB
02_rndhard_00.txt AC 13 ms 2176 KB
02_rndhard_01.txt AC 13 ms 2176 KB
02_rndhard_02.txt AC 14 ms 2176 KB
02_rndhard_03.txt AC 14 ms 2176 KB
02_rndhard_04.txt AC 13 ms 2176 KB
02_rndhard_05.txt AC 13 ms 2176 KB
02_rndhard_06.txt AC 13 ms 2176 KB
02_rndhard_07.txt AC 13 ms 2176 KB
02_rndhard_08.txt AC 13 ms 2176 KB
02_rndhard_09.txt AC 13 ms 2176 KB
02_rndhard_10.txt AC 13 ms 2176 KB
02_rndhard_11.txt AC 13 ms 2176 KB
02_rndhard_12.txt AC 13 ms 2176 KB
02_rndhard_13.txt AC 13 ms 2176 KB
02_rndhard_14.txt AC 13 ms 2176 KB
02_rndhard_15.txt AC 13 ms 2176 KB
02_rndhard_16.txt AC 13 ms 2176 KB
02_rndhard_17.txt AC 13 ms 2176 KB
02_rndhard_18.txt AC 13 ms 2176 KB
02_rndhard_19.txt AC 13 ms 2176 KB
02_rndhard_20.txt AC 13 ms 2176 KB
02_rndhard_21.txt AC 13 ms 2176 KB
02_rndhard_22.txt AC 13 ms 2176 KB
02_rndhard_23.txt AC 13 ms 2176 KB
02_rndhard_24.txt AC 13 ms 2176 KB
02_rndhard_25.txt AC 13 ms 2176 KB
02_rndhard_26.txt AC 13 ms 2176 KB
02_rndhard_27.txt AC 13 ms 2176 KB
02_rndhard_28.txt AC 13 ms 2176 KB
02_rndhard_29.txt AC 13 ms 2176 KB
02_rndhard_30.txt AC 13 ms 2176 KB
02_rndhard_31.txt AC 13 ms 2176 KB
02_rndhard_32.txt AC 13 ms 2176 KB
02_rndhard_33.txt AC 13 ms 2176 KB
02_rndhard_34.txt AC 13 ms 2176 KB
02_rndhard_35.txt AC 13 ms 2176 KB
02_rndhard_36.txt AC 13 ms 2176 KB
02_rndhard_37.txt AC 13 ms 2176 KB
02_rndhard_38.txt AC 13 ms 2176 KB
02_rndhard_39.txt AC 13 ms 2176 KB
03_rndhardsmall_00.txt AC 2 ms 2176 KB
03_rndhardsmall_01.txt AC 2 ms 2176 KB
03_rndhardsmall_02.txt AC 2 ms 2176 KB
03_rndhardsmall_03.txt AC 2 ms 2176 KB
03_rndhardsmall_04.txt AC 2 ms 2176 KB
03_rndhardsmall_05.txt AC 2 ms 2176 KB
03_rndhardsmall_06.txt AC 2 ms 2176 KB
03_rndhardsmall_07.txt AC 2 ms 2176 KB
03_rndhardsmall_08.txt AC 2 ms 2176 KB
03_rndhardsmall_09.txt AC 2 ms 2176 KB