1143. 最长公共子序列

class Solution {
    public int longestCommonSubsequence(String text1, String text2) {
        int m=text1.length();
        int n=text2.length();
        int[][] dp=new int[m+1][n+1];
        for(int i=1;i<=text1.length();i++){
            for(int j=1;j<=text2.length();j++){
                if(text1.charAt(i-1)==text2.charAt(j-1)){
                    dp[i][j]=dp[i-1][j-1]+1;
                }else{
                    dp[i][j]=Math.max(dp[i-1][j],dp[i][j-1]);
                }
            }
        }
        return dp[m][n];
    }
}