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动态规划 is beginning。。。。。。。。。
感觉动态规划很模糊,怎么办呢??? 狂刷题吧!!!!!!!!!!!!!!!!!!!!!!!!! 1.POJ 2479 Maximum sum 首刷水题!!!! 双向统计最大和。 AC代码如下: #include #include #include #define inf -1000000000 using namespace std; int main() { int ...
分类:其他好文   时间:2014-07-18 12:37:39    阅读次数:228
ACdream 1099 瑶瑶的第K大
瑶瑶的第K大 Time Limit: 10000/5000MS (Java/Others)Memory Limit: 512000/256000KB (Java/Others) SubmitStatisticNext Problem Problem Description 一天,萌萌的妹子--瑶瑶(tsyao)很无聊,就来找你玩。可是你们都不知道玩什么。。。尴尬了一阵子,机...
分类:其他好文   时间:2014-07-16 16:15:23    阅读次数:211
ACdream 之ACfun 题解
A - ACfun Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) SubmitStatus Problem Description 题目链接点击打开链接 As a former ACMer, "AC" is a special abbreviated wor...
分类:其他好文   时间:2014-07-15 22:41:45    阅读次数:235
ACdream群赛1112(Alice and Bob)
题意:http://acdream.info/problem?pid=1112Problem DescriptionHere is Alice and Bob again !Alice and Bob are playing a game. There are several numbers.Fir...
分类:其他好文   时间:2014-07-14 23:51:56    阅读次数:425
ACdream 1064 完美数
完美数 Time Limit: 2000/1000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description 8是中国人很喜欢的一个数字,但是如果有3的存在就变成了38,就不是很好了。。 你能告诉我,在[L, R...
分类:其他好文   时间:2014-07-14 18:21:09    阅读次数:171
ACdream原创群赛__15
这场感觉题目确实还算可以,不过,说好的每题10s效果上却不理想。这个时限还算比较紧。因为时间不是按绝对的多出几秒来计算,而是几倍来计算的。比赛做的不好,后面又去做了一下。A:典型的数位DP,一直坑在这里。E:求f(f(f(n)))%p。f()表示斐波那契数。关于求斐波那契数模的循环节是有特定的数学定...
分类:其他好文   时间:2014-07-13 19:09:55    阅读次数:387
ACdream 1125(ACfun-字典序)
A - ACfun Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) SubmitStatus Problem Description As a former ACMer, "AC" is a special abbreviated word which can ...
分类:其他好文   时间:2014-07-12 23:22:15    阅读次数:178
ACdream: ACfun
ACfun Time Limit: 2000/1000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description As a former ACMer, "AC" is a special abbreviated wor...
分类:其他好文   时间:2014-07-12 22:37:58    阅读次数:161
ACdream原创群赛(16) F
MST Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) SubmitStatus Problem Description Given a connected, undirected graph, a spanning tree of that graph is...
分类:其他好文   时间:2014-07-12 22:32:40    阅读次数:200
ACdream原创群赛(16) J
Sum Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) SubmitStatus Problem Description You are given an N*N digit matrix and you can get several horizontal o...
分类:其他好文   时间:2014-07-12 21:17:15    阅读次数:182
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