09a.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <stdbool.h>
   5 #include <limits.h>
   6
   7 int main()
   8 {
   9         int grid[102][102];
  10         for (int i = 0; i<102; i++)
  11                 for (int j = 0; j<102; j++)
  12                         grid[i][j] = INT_MAX;
  13         int x = 1, y = 1;
  14         int maxx = 1;
  15         int c = 0;
  16         while((c = getchar()) != EOF) {
  17                 if (c == '\n') {
  18                         y++;
  19                         x = 1;
  20                 } else {
  21                         maxx = x > maxx ? x : maxx;
  22                         grid[y][x++] = c-'0';
  23                 }
  24         }
  25
  26         int r = 0;
  27         for (int i = 1; i<y; i++)
  28                 for (int j = 1; j<maxx+1; j++)
  29                         if (grid[i][j] < grid[i+1][j] &&
  30                                         grid[i][j] < grid[i-1][j] &&
  31                                         grid[i][j] < grid[i][j+1] &&
  32                                         grid[i][j] < grid[i][j-1])
  33                                 r += grid[i][j] + 1;
  34         printf("%d\n", r);
  35
  36 }