Sign of the Product of an Array
给一个数组, 求里面的数字乘积是正负还是0.
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class Solution { public int arraySign(int[] nums) { int count = 0; for(int n : nums){ if(n < 0) count++; if(n == 0) return 0; } return count % 2 == 0 ? 1 : -1; } } |