各位大佬, 我有一个问题, POJ1010的题目给的测试用例是这样的:
INPUT:
1 2 3 0; three different stamp types
7 4 0; two customers
1 1 0; a new set of stamps (two of the same type)
6 2 3 0; three customers
OUTPUT:
7 (3): 1 1 2 3
4 (2): 1 3
6 ---- none
2 (2): 1 1
3 (2): tie
请问最后两个为什么需求是2的时候不输出tie, 而需求是3的时候会输出tie呢