【HDU 1159】Common Subsequence (最长公共子序列)
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这里是题目
Common Subsequence
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 40645 Accepted Submission(s): 18757
Problem Description
A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X =
#include<cstdio>#include<cstring>#include<cmath>#include<algorithm>using namespace std;int main(){ char s1[1000]; char s2[1000]; while(~scanf("%s%s",s1+1,s2+1)) { s1[0]='0',s2[0]='0'; int m=strlen(s1)-1; int n=strlen(s2)-1; int dp[1100][1100]={0}; //数组要开的足够大 for(int i=1;i<=m;i++) { for(int j=1;j<=n;j++) { if(s1[i]==s2[j]) dp[i][j]=dp[i-1][j-1]+1; else dp[i][j]=max(dp[i-1][j],dp[i][j-1]); } } printf("%d\n",dp[m][n]); }return 0;}
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