HackerEarth Natural XOR elements problem solution YASH PAL, 31 July 202413 February 2026 In this HackerEarth Natural XOR elements problem solution You are given an integer N. To solve the problem, you must find the minimum number of elements that must be removed from the set S = {1,2,…, N} such that the bitwise XOR of the remaining elements is 0. HackerEarth Natural XOR elements problem solution.#include <iostream>using namespace std;#define mod 1000000007#define fi first#define se secondint main(int argc, char *argv[]) { int t; cin >> t; while (t--) { int n, xo; cin >> n; switch (n % 4) { case 0: cout << "1 " << n << "n"; break; case 1: cout << "1 " << 1 << "n"; break; case 2: cout << "2 " << n << " " << (n ^ n + 1) << "n"; break; default: cout << "0n"; break; } } return 0;} coding problems solutions HackerEarth HackerEarth