#P1628. Language Survey
Language Survey
题目描述
输入格式
输出格式
样例
3 4
2211
1112
1112
AAAA
...A
....
BB..
BBBB
...B
....
...C
CCCC
1 1
1
impossible
提示
题目链接:https://ac.nowcoder.com/acm/contest/18456/K 转录:计科20-3王文正
3 4
2211
1112
1112
AAAA
...A
....
BB..
BBBB
...B
....
...C
CCCC
1 1
1
impossible
题目链接:https://ac.nowcoder.com/acm/contest/18456/K 转录:计科20-3王文正