XIX Russia Team Open, High School Programming Contest
Problem A
Solved by Weaver_zhu. 00:10 (+)
Problem B
Solved by Xiejiadong. 02:22 (+)
字符串签到。
直接拿 map 给每一个字符串编号即可。
Problem C
Solved by Kilo_5723. 03:19 (+)
Problem D
Solved by Kilo_5723. 00:45 (+)