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Median of num
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// cpp program to find the median of incoming numbers in O(nlog(n)) complexity
#include <iostream>
using namespace std;
#include <queue>
int main() {
int n; cin >> n; priority_queue<int> leftMxPq;
priority_queue <int, vector<int>, greater<int>> rgtMnPq;
float cm = 0.0f; //cm = current median
int left_size;
int right_size;
for(int i = 0; i < n; i++){
int x;
cin >> x;
left_size = leftMxPq.size();
right_size = rgtMnPq.size();
if (x > cm){
if (right_size > left_size){
int t = rgtMnPq.top();
leftMxPq.push(t);
rgtMnPq.pop();
}
rgtMnPq.push(x);
}
else{
if (left_size > right_size){
int t = leftMxPq.top();
rgtMnPq.push(t);
leftMxPq.pop();
}
leftMxPq.push(x);
}
left_size = leftMxPq.size();
right_size = rgtMnPq.size();
if (left_size == right_size)
cm = (leftMxPq.top() + rgtMnPq.top())/2.0f;
else if (left_size > right_size)
cm = leftMxPq.top();
else
cm = rgtMnPq.top();
printf("%.2f ", cm);
}
return 0;
}