Submission #691651

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Source Code Expand

#include <stdio.h>
#include <limits.h>

char map[51][51];
int visited[51][51] = {0};
int cost[51][51] = {0};
int sy, sx;
int gy, gx;

int isOut(int y, int x, int r, int c)
{
  return (x < 0 || y < 0 || r <= y || c <= x);
}

void Haba(int y, int x, int r, int c, int n)
{
  int temp = n + 1;
  if ( isOut(y, x, r, c) ) { return; }
  if ( map[y][x] == '#' ) { return; }
  if ( visited[y][x] ) { return; }
  
  visited[y][x] = 1;
  if ( cost[y][x] > temp ) { cost[y][x] = temp; }
  //printf("x:%d y:%d cost:%d\n", x, y, cost[y][x]);
  Haba(y+1, x, r, c, temp);
  Haba(y-1, x, r, c, temp);
  Haba(y, x+1, r, c, temp);
  Haba(y, x-1, r, c, temp);
}

void Show(int r, int c)
{
  int i, j;
  for ( i=0; i<r; i++ ) {
    for ( j=0; j<c; j++ ) {
      printf("%c", map[i][j]);
    }
    putchar('\n');
  }
}

int main(void)
{
  int r, c;
  int i, j;
  scanf("%d %d", &r, &c);
  scanf("%d %d", &sy, &sx);
  scanf("%d %d", &gy, &gx);
  for ( i=0; i<r; i++ ) {
    scanf("%s", &map[i]);
  }
  
  sy--; sx--; gy--; gx--;
  for ( i=0; i<r; i++ ) {
    for ( j=0; j<c; j++ ) {
      cost[i][j] = INT_MAX;
    }
  }
  
  
  Haba(sy, sx, r, c, -1);
  
  printf("%d\n", cost[gy][gx]);
  
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:50:11: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[51]’ [-Wformat=]
     scanf("%s", &map[i]);
           ^
./Main.c:46:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &r, &c);
   ^
./Main.c:47:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &sy, &sx);
   ^
./Main.c:48:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &gy, &gx);
   ^
./Main.c:50:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", &map[i]);
     ^

Judge Result