/in/foo.cc: In function 'int main()':
/in/foo.cc:78:30: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (i = 1; i <= m; i++) for (j = 1; j <= n; j++)
                              ^~~
/in/foo.cc:79:27: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         g[i][j] = read(); S = 1; T = n + m + 2;
                           ^