C++简答代码/hashmap/4行：
数组中出现次数超过一半的数字
http://www.nowcoder.com/questionTerminal/e8a1b01a2df14cb2b228b30ee6a92163
C++简答代码/hashmap/4行：
class Solution {
public:
int MoreThanHalfNum_Solution(vector<int> numbers) {
unordered_map<int, int> map;
for (int i : numbers)
if (++ map[i] > numbers.size() / 2) return i;
return 0;
}
};
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