delete pics to save space

history_source/挑战程序设计竞赛/2.3.1.2.cpp

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+#include<iostream>
+#include<string>
+using namespace std;
+string s1,s2;
+int dp[1001][1001];
+inline int max(int a,int b){return a>b?a:b;}
+void solve()
+{
+	int i,j;
+	for(i=1;i<s1.size();i++)
+		for(j=1;j<s2.size();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[s1.size()-1][s2.size()-1]);
+}
+void init()
+{
+	cin>>s1>>s2;
+	s1=" "+s1;
+	s2=" "+s2;
+}
+int main()
+{
+	init();
+	solve();
+	return 0;
+}