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Uva 10405-Longest Common Subsequence(DP)

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#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdlib>
#include <string>
#include <cctype>
#include <vector>
#include <cstdio>
#include <cmath>
#include <queue>
#include <stack>
#include <map>
#include <set>
#define maxn 1005
#define _ll __int64
#define ll long long
#define INF 0x3f3f3f3f
#define Mod 1<<40+10
#define pp pair<int,int>
#define ull unsigned long long
using namespace std;
short dp[maxn][maxn];
char s[maxn],t[maxn];
void solve()
{
	memset(dp,0,sizeof(dp));
	int lens=strlen(s),lent=strlen(t);
	for(int i=1;i<=lens;i++)
		for(int j=1;j<=lent;j++)
		if(s[i-1]==t[j-1])
		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[lens][lent]);
}
int main()
{
	while(gets(s)){
		gets(t);
		solve();
	}
	return 0;
}



Uva 10405-Longest Common Subsequence(DP)