/in/foo.cc: In function 'void scan(long long int&)':
/in/foo.cc:28:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
       if(ch=='-')f=-1;ch=getchar();
       ^~
/in/foo.cc:28:23: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
       if(ch=='-')f=-1;ch=getchar();
                       ^~