how to replace an element in array in c++
#include<iostream> #include<bits/stdc++.h> using namespace std; int main(){ int arr[3] = {0,1,2}; cout << "Before update "<<arr[2]<<endl; arr[2]=1;//updating element cout <<"After update "<<arr[2]<<endl; } /*output:- Before update 2 After update 1*/