推 JIWP: 大師 02/22 22:35
推 DJYOSHITAKA: 大施 02/22 22:36
推 HccrtZ: 什麼時候去咕咕嚕賺錢養我 02/22 22:36
→ JIWP: 什麼時後能內推我 02/22 22:36
推 kazunerae: 我two sum submit了40次 02/22 22:37
推 sustainer123: 我不會two sum 02/22 22:37
→ Niuromem: 大濕 02/22 22:41
easy submit了四次才對
我這輩子就這樣了
嗚嗚哇哇哇
997. Find the Town Judge
class Solution {
public:
int findJudge(int n, vector<vector<int>>& trust) {
vector<int> trusting(n+1, 0);
vector<int> trusted(n+1, 0);
for(auto& t:trust){
trusting[t[0]]++;
trusted[t[1]]++;
}
for(int i=1; i<n+1; i++){
if(trusting[i]==0 && trusted[i]==n-1) return i;
}
return -1;
}
};
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