這里有張 World 表 namecontinentareapopulationgdpAfghanistanAsia6522302550010020343000AfghanistanAsia6522302550010020343000AlbaniaEurope28748283174112960000AlgeriaAfrica238174137100000188681000AndorraEurope468781153712000AngolaAfrica12467002060929410099000

914. 卡牌分組 思路：統計個數，然后求最小公約數 class Solution { public:bool hasGroupsSizeX(vector<int>& deck) {int hash[10005];//統計個數fill(hash, hash+10005, 0);int len=deck.size();int g;for(int i=0;i<len;i++