OJ Board

a solution is PE means every line PE. a solution is WA means at least one line WA. a solution is AC means All characters must match and must occur in the same order. a solution is PE means All numeric characters match in the same order, but there is at least ONE non-matching non-numeric character. ...

I wander if the judge data contains line like this or not. test 01:01:02:02 Enter 19 test 01:01:04:06 ExiT 19 because I use a string variable to represent the status of vehicle, when I test the status of car, I use: status == "enter" or status == "exit" and I got Wrong Answer a lots of times. so I s...

the judge data may contain line like this: test 01:02:01:23 Enter 17 test 01:02:04:23 Exit 17 if you use a string variable to represent the status of car, for example: string car_status; then you should determine the status of car by using: car_status[1] == 'n' car_status[1] == 'x' but not: car_stat...

a solution is PE means every line PE.
a solution is WA means at least one line WA.