Submission #3233656


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#include<cstdio>
#include<cstring>
const int dire[2][4]={{1,0,0,-1},{0,1,-1,0}};
int n,m,sx,sy,ex,ey;
bool w[505][505];
char s[505];
int qx[260000],qy[260000];
bool bfs(){
	int head=0,tail=1,nx,ny;
	qx[1]=sx;
	qy[1]=sy;
	while(head<tail){
		++head;
//		printf("%d %d\n",qx[head],qy[head]);
		for(int i=0;i<4;i++){
			nx=qx[head]+dire[0][i];
			ny=qy[head]+dire[1][i];
			if(w[nx][ny]){
				if(nx==ex&&ny==ey) return 1;
				++tail;
				qx[tail]=nx;
				qy[tail]=ny;
				w[nx][ny]=0;
			}
		}
	}
	return 0;
}
int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++){
		scanf("%s",s);
		for(int j=0;j<m;j++){
			if(s[j]=='.') w[i][j+1]=1;
			else if(s[j]=='s'){
				sx=i;
				sy=j+1;
			}
			else if(s[j]=='g'){
				ex=i;
				ey=j+1;
				w[ex][ey]=1;
			}
		}
	}
	if(bfs()) printf("Yes\n");
	else printf("No\n");
	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 822 Byte
Status
Exec Time 5 ms
Memory 1664 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:32:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",s);
                ^

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt
All 100 / 100 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 1 ms 128 KB
00_min_02.txt 1 ms 128 KB
00_min_03.txt 0 ms 128 KB
00_min_04.txt 1 ms 128 KB
00_min_05.txt 0 ms 128 KB
00_min_06.txt 0 ms 128 KB
00_min_07.txt 1 ms 128 KB
00_min_08.txt 0 ms 128 KB
00_sample_01.txt 1 ms 128 KB
00_sample_02.txt 0 ms 128 KB
00_sample_03.txt 1 ms 128 KB
00_sample_04.txt 1 ms 128 KB
00_sample_05.txt 1 ms 128 KB
01_rnd_00.txt 1 ms 128 KB
01_rnd_01.txt 2 ms 640 KB
01_rnd_02.txt 4 ms 896 KB
01_rnd_03.txt 3 ms 1664 KB
01_rnd_04.txt 3 ms 1152 KB
01_rnd_05.txt 2 ms 384 KB
01_rnd_06.txt 5 ms 1280 KB
01_rnd_07.txt 4 ms 1152 KB
01_rnd_08.txt 2 ms 384 KB
01_rnd_09.txt 2 ms 384 KB
01_rnd_10.txt 5 ms 1280 KB
01_rnd_11.txt 2 ms 384 KB
01_rnd_12.txt 5 ms 1664 KB
01_rnd_13.txt 2 ms 384 KB
01_rnd_14.txt 2 ms 384 KB
01_rnd_15.txt 4 ms 1152 KB
01_rnd_16.txt 2 ms 384 KB
01_rnd_17.txt 5 ms 1536 KB
01_rnd_18.txt 2 ms 384 KB
01_rnd_19.txt 2 ms 896 KB
02_rndhard_00.txt 2 ms 384 KB
02_rndhard_01.txt 2 ms 384 KB
02_rndhard_02.txt 3 ms 640 KB
02_rndhard_03.txt 3 ms 640 KB
02_rndhard_04.txt 2 ms 384 KB
02_rndhard_05.txt 2 ms 384 KB
02_rndhard_06.txt 2 ms 384 KB
02_rndhard_07.txt 2 ms 384 KB
02_rndhard_08.txt 2 ms 512 KB
02_rndhard_09.txt 2 ms 512 KB
02_rndhard_10.txt 2 ms 512 KB
02_rndhard_11.txt 2 ms 512 KB
02_rndhard_12.txt 2 ms 512 KB
02_rndhard_13.txt 2 ms 512 KB
02_rndhard_14.txt 2 ms 512 KB
02_rndhard_15.txt 2 ms 512 KB
02_rndhard_16.txt 2 ms 384 KB
02_rndhard_17.txt 2 ms 384 KB
02_rndhard_18.txt 2 ms 384 KB
02_rndhard_19.txt 2 ms 384 KB
02_rndhard_20.txt 2 ms 384 KB
02_rndhard_21.txt 2 ms 384 KB
02_rndhard_22.txt 2 ms 384 KB
02_rndhard_23.txt 2 ms 384 KB
02_rndhard_24.txt 2 ms 384 KB
02_rndhard_25.txt 2 ms 384 KB
02_rndhard_26.txt 2 ms 384 KB
02_rndhard_27.txt 2 ms 384 KB
02_rndhard_28.txt 2 ms 384 KB
02_rndhard_29.txt 2 ms 384 KB
02_rndhard_30.txt 2 ms 384 KB
02_rndhard_31.txt 2 ms 384 KB
02_rndhard_32.txt 2 ms 512 KB
02_rndhard_33.txt 2 ms 384 KB
02_rndhard_34.txt 2 ms 384 KB
02_rndhard_35.txt 2 ms 384 KB
02_rndhard_36.txt 2 ms 384 KB
02_rndhard_37.txt 2 ms 384 KB
02_rndhard_38.txt 2 ms 384 KB
02_rndhard_39.txt 2 ms 384 KB
03_rndhardsmall_00.txt 1 ms 128 KB
03_rndhardsmall_01.txt 1 ms 128 KB
03_rndhardsmall_02.txt 1 ms 128 KB
03_rndhardsmall_03.txt 1 ms 128 KB
03_rndhardsmall_04.txt 1 ms 128 KB
03_rndhardsmall_05.txt 0 ms 128 KB
03_rndhardsmall_06.txt 0 ms 128 KB
03_rndhardsmall_07.txt 1 ms 128 KB
03_rndhardsmall_08.txt 0 ms 128 KB
03_rndhardsmall_09.txt 1 ms 128 KB