2208_MinimumOperationstoHalveArraySum - a920604a/leetcode GitHub Wiki
title: 2208. Minimum Operations to Halve Array Sum tags: - heap categories: leetcode comments: false
class Solution {
public:
int halveArray(vector<int>& nums) {
priority_queue<double> pq;
double total = 0;
for(int n:nums){
pq.push(n);
total+=n;
}
int step = 0;
double cur = total;
while(cur > total/2.0){
double p = pq.top(); pq.pop();
p /= 2.0;
cur -= p;
pq.push(p);
step++;
}
return step;
}
};
- time complexity
O(nlogn)
- space complexity
(n)