Submission #11202860

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Source Code Expand

#define reg register
#define push(_x,_y) qx[tail] = _x,qy[tail++] = _y,map[_x][_y] = '#';
#define tx qx[head - 1]
#define ty qy[head - 1]
#include <stdio.h>

int n, m, head, tail, sx, sy, gx, gy, qx[250000], qy[250000];
char map[500][500];

signed main()
{
	scanf("%d%d", &n, &m);
	for (reg int i = 0, j = 0; i < n; j = 0, ++i)
		for (scanf("%s", map[i]); j < m; map[i][j] == 's' ? sx = i, sy = j : map[i][j] == 'g' ? gx = i, gy = j : 0, ++j);
	
	push(sx, sy);
	while (head != tail) 
	{
		head++;

		if (tx == gx && ty == gy)
		{
			puts("Yes\n");
			return 0;
		}
		if (tx + 1 < n && map[tx + 1][ty] != '#')
			push(tx + 1, ty);
		if (tx - 1 >= 0 && map[tx - 1][ty] != '#')
			push(tx - 1, ty);
		if (ty + 1 < m && map[tx][ty + 1] != '#')
			push(tx, ty + 1);
		if (ty - 1 >= 0 && map[tx][ty - 1] != '#')
			push(tx, ty - 1);
	}
	puts("No\n");

}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ^
./Main.c:14:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   for (scanf("%s", map[i]); j < m; map[i][j] == 's' ? sx = i, sy = j : map[i][j] == 'g' ? gx = i, gy = j : 0, ++j);
        ^

Judge Result