3042. Count Prefix and Suffix Pairs I.cpp

class Solution {
public:
    int countPrefixSuffixPairs(vector<string>& words) {
        int count = 0;
        int n=words.size();

        for(int i=0; i<n-1; i++){
            for(int j=i+1; j<n; j++){
                count += words[j].starts_with(words[i]) && words[j].ends_with(words[i]);
            }
        }
        return count;
    }
};