/in/foo.cc: In function 'int sc()':
/in/foo.cc:13:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(cch == '-')
   ^~
/in/foo.cc:14:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    ff = -1; cch = gc;
             ^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:83:6: warning: unused variable 'ans' [-Wunused-variable]
  int ans = INF;
      ^~~