LeetCode1035.不相交的线

class Solution {
public:
    int maxUncrossedLines(vector<int>& nums1, vector<int>& nums2) {
        vector<vector<int>> dp(nums1.size() + 1, vector<int>(nums2.size() + 1, 0));
        int res = 0;
        for(int i = 1; i <= nums1.size(); i++){
            for(int j = 1; j <= nums2.size(); j++){
                if(nums1[i - 1] == nums2[j - 1]){
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                    if(dp[i][j] > res)
                        res = dp[i][j];
                }
                else{
                    dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]);
                }
            }
        }
        return res;
    }
};