【Leetcode_easy】997. Find the Town Judge

problem

997. Find the Town Judge

solution:

class Solution {
public:

    int findJudge(int N, vector<vector<int>>& trust) {
        vector<int> balance(N+);
        for(auto t:trust) { balance[t[]]--; balance[t[]]++; }
        for(int i=; i<=N; i++)
        {
            if(balance[i]==N-) return i;
        }
        return -;
    }
};

参考

1. Leetcode_easy_997. Find the Town Judge;

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