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C - Matrix Chain Multiplication(Stack应用) There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built i 阅读全文
posted @ 2020-03-05 23:16
liyexin
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摘要：
地址：http://codeforces.com/contest/1305 题意：A题写这么长，实际上意思很简单，给出两组长度相等的数，让你给出排列顺序，保证每一列上下加起来不同。 解析：很水了，小+大=大+小，根据这个，只要上下均按从小到大的顺序排列就可以了。 #include<cstdio> # 阅读全文
posted @ 2020-03-05 23:14
liyexin
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