How do you find the missing number in a given integer array of 1 to 100 in C++
C++
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#include <iostream>using namespace std;int main() { int n, sum = 0, sum1 = 0; cout << "Enter the size of the array: "; cin >> n; int arr[n]; cout << "Enter the elements of the array: "; for (int i = 0; i < n; i++) { cin >> arr[i]; } for (int i = 1; i <= 100; i++) { sum += i; }🤖 Code Explanation
This is a program to find the missing number from an array. The user enters the size of the array and the elements of the array. The program then calculates the sum of all the numbers from 1 to 100 and the sum of all the elements in the array. The difference between these two sums is the missing number.
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