/in/foo.cc: In function 'int main()':
/in/foo.cc:46:18: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
                  if(stu[i].sum>=top.sum&&stu[i].flag3<=top.flag3)
                  ^~
/in/foo.cc:48:21: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
                     sum+=stu[i].sum;
                     ^~~