/in/foo.cc: In function 'int Now_mi(int, int)':
/in/foo.cc:46:15: warning: unused variable 'mi' [-Wunused-variable]
  int tot = 0, mi = 1e9, cnt = 0;
               ^~
/in/foo.cc: In function 'int Now_ma(int, int)':
/in/foo.cc:54:15: warning: unused variable 'mi' [-Wunused-variable]
  int tot = 0, mi = 1e9, cnt = 0;
               ^~
/in/foo.cc: In function 'void _main()':
/in/foo.cc:102:6: warning: unused variable 'tot' [-Wunused-variable]
  int tot = 0;
      ^~~