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1143
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class Solution {
public:
int longestCommonSubsequence(string text1, string text2) {
int n=text1.size();
int m=text2.size();
int dp[n+1][m+1];
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
dp[i][j]=0;
}
}
for(int i=0;i<=n;i++)
dp[i][0]=0;
for(int j=0;j<m;j++)
dp[0][j]=0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(text1[i-1]==text2[j-1])
dp[i][j]=1+dp[i-1][j-1];
else
dp[i][j]=max({dp[i-1][j],dp[i][j-1],dp[i-1][j-1]});
}
}
return dp[n][m];
}
};