Distinct SubsequencesGiven a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is...
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2014-12-31 20:03:18
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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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2014-12-24 11:36:21
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【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 (...
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2014-12-18 12:03:46
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118
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:
2014-12-10 15:51:08
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203
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 (can be non...
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2014-12-09 09:26:46
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161
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:
2014-12-03 21:16:44
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172
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 th...
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其他好文 时间:
2014-11-26 13:37:24
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123
Dynamic ProgrammingGiven a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is f...
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2014-11-24 09:52:39
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131
考虑两个字符串,我们用dp[i][j]表示字串第到i个和字符串到第j个的总数,因为字串必须连续
因此dp[i][j]可以有dp[i][j-1]和dp[i-1][j-1]递推而来,而不能由dp[i-1][j]递推而来。而后者的条件
是字串的第i个和字符串相等。
Problem E
Distinct Subsequences
Input: standard input
Output...
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其他好文 时间:
2014-11-15 00:13:39
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219
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 (can be none)...
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其他好文 时间:
2014-11-14 12:40:18
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111