Submission #163610

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Source Code Expand

#include<stdio.h>
struct complex{
	short y;
	short x;
};
struct complex place[2500];
char c[50][51];
short num[50][50];
short count=1;
void tansaku(int y,int x,int n){
	if(num[y-1][x]==-1 && c[y-1][x]=='.'){
		num[y-1][x]=n+1;
		place[count].x=x;
		place[count].y=y-1;
		count++;
	}
	if(num[y+1][x]==-1 && c[y+1][x]=='.'){
		num[y+1][x]=n+1;
		place[count].x=x;
		place[count].y=y+1;
		count++;
		
	}
	//puts("OK");
	if(num[y][x-1]==-1 && c[y][x-1]=='.'){
		num[y][x-1]=n+1;
		place[count].x=x-1;
		place[count].y=y;
		count++;
	}
	if(num[y][x+1]==-1 && c[y][x+1]=='.'){
		num[y][x+1]=n+1;
		place[count].x=x+1;
		place[count].y=y;
		count++;
	}
	return;
}

int main(void){
	int r,l,sy,sx,gy,gx;
	char enter;
	int i,j;
	scanf("%d %d",&r,&l);
	scanf("%d %d",&sy,&sx);
	scanf("%d %d",&gy,&gx);
	
	for(i=0;i<r;i++){
		for(j=0;j<l;j++){
			scanf(" %c",&c[i][j]);
		}
	}
	for(i=0;i<r;i++){
		for(j=0;j<l;j++){
			num[i][j]=-1;
		}
	}

	place[0].x=sx-1;
	place[0].y=sy-1;
	num[place[0].y][place[0].x]=0;
	
	for(i=0;;i++){
		if(num[gy-1][gx-1]!=-1) break;
		tansaku(place[i].y,place[i].x,num[place[i].y][place[i].x]);
	}

	
	printf("%d\n",num[gy-1][gx-1]);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:44:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:45:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:46:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:50:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result