HackerEarth Team division problem solution

YASH PAL, 31 July 202415 February 2026

In this HackerEarth Team division problem solution There are N (where N is always even) players standing in a line where the coordinates of players are given as $$(X1,0), (X2,0)… (XN,0)(P, 0)(P,0)$$, you are independent to choose their side.

Find the number of such possible coordinates where teams can be divided.

HackerEarth Team division problem solution

HackerEarth Team division problem solution.

#include<bits/stdc++.h>
using namespace std;
#define FIO ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define mod 1000000007
#define endl "n"
#define test ll t; cin>>t; while(t--)
typedef long long int ll;
int main() {
    FIO;
    test
    {
       ll n; cin>>n;
       vector<ll>a(n);
       for(auto &it:a) cin>>it;
       sort(a.begin(),a.end());
       cout<<a[n/2]-a[(n/2)-1]+1<<endl;
    }
    return 0;
}

Second solution

t = int(input())
while t > 0:
    t -= 1
    n = int(input())
    x = list(map(int, input().split()))
    x.sort()
    print(x[n // 2] - x[n // 2 - 1] + 1)

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