/in/foo.cc: In function 'int dfs(int, int)':
/in/foo.cc:10:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(nx>=1&&nx<=r&&ny>=1&&ny<=c&&a[x][y]<a[nx][ny])
   ^~
/in/foo.cc:12:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    f[x][y]++;
    ^