/in/foo.cc: In function 'int main()':
/in/foo.cc:27:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(t0=1; t0<=n; t0++)
  ^~~
/in/foo.cc:28:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   scanf("%d",&now[t0]);--t0;
                        ^~
/in/foo.cc:26:6: warning: unused variable 'tmp' [-Wunused-variable]
  int tmp;
      ^~~