2023/09/14

class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
        for(int i=0;i<nums.size();i++)
        {
            for(int j=i+1;j<nums.size();j++)
            {
                if(nums[i]+nums[j]==target)
                {
                    return {i,j};
                }
            }
        }
        return {};
    }
};

class Solution {
public:
    bool isPalindrome(int x) {
        int m=0;
        if(x<0||(x%10==0&&x!=0))
        return false;
        while(x>m)
        {
            m=m*10+x%10;
            x=x/10;
        }
        return x==m||x==(m/10);
    }
};