/in/foo.cc: In function 'int main()':
/in/foo.cc:13:8: warning: statement has no effect [-Wunused-value]
  for (i; i < n; i++)
        ^
/in/foo.cc:27:8: warning: statement has no effect [-Wunused-value]
  for (j; j < n; j++)
        ^
/in/foo.cc:32:10: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout << min << endl;
          ^~~
/in/foo.cc:19:10: warning: 'm1' may be used uninitialized in this function [-Wmaybe-uninitialized]
    ss[i] = m1;
    ~~~~~~^~~~