题意:给你一个序列a[],求它的不降子序列的个数分析:dp[i]表示以i结尾不降子序列的个数,dp[i]=sum(dp[j])+1(j#include #include #include #include #include #include #include #include #include #i...
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其他好文 时间:
2015-08-16 21:15:26
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77
HDU - 2227
Find the nondecreasing subsequences
Time Limit: 5000MS
Memory Limit: 32768KB
64bit IO Format: %I64d & %I64u
Submit Status
Description
How many nondecrea...
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编程语言 时间:
2015-08-10 16:14:24
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203
Well, a dynamic programming problem. Let's first define its statedp[i][j]to be the number of distinct subsequences oft[0..i - 1]ins[0..j - 1]. Then we...
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其他好文 时间:
2015-07-26 14:03:02
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99
题目:
Given a string S and a string T, count the number of distinct subsequences of T in S.
A subsequence of a string is a new string which is formed from the original string by deleting some (c...
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编程语言 时间:
2015-07-24 13:00:46
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238
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
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其他好文 时间:
2015-07-22 22:08:27
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88
115 Distinct Subsequences这道题是dp, 我定义的dp[i][j] 为用t[:i] 和s[:j] 的disitinct subsequence排列数class Solution: # @param {string} s # @param {string} t ...
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其他好文 时间:
2015-07-21 06:48:13
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134
【称号】Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the ...
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其他好文 时间:
2015-07-05 18:15:17
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93
题目链接 题目要求: Given a stringSand a stringT, count the number of distinct subsequences ofTinS. A subsequence of a string is a new string which is for...
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其他好文 时间:
2015-06-16 18:45:52
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87
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
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其他好文 时间:
2015-06-10 07:42:10
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99
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
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其他好文 时间:
2015-06-08 00:54:18
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151