题解 | #数组中出现次数超过一半的数字#
数组中出现次数超过一半的数字
https://www.nowcoder.com/practice/e8a1b01a2df14cb2b228b30ee6a92163
function MoreThanHalfNum_Solution(numbers)
{
// write code here
const map = {}
for (let i = 0; i < numbers.length; i++) {
if (!map[numbers[i]]) {
map[numbers[i]] = 1
} else {
map[numbers[i]]++
}
if (map[numbers[i]] >= Math.round(numbers.length / 2)) return numbers[i]
}
}
module.exports = {
MoreThanHalfNum_Solution : MoreThanHalfNum_Solution
};
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