Initialize an int variable named as sum to 0. Write the while loop that lets the user enter a number. The number should be added to sum and the result is stored back to the variable sum. The loop should iterate as long as sum contains a value less than 200. After the loop stop, display message: "sum = - the loop stops"

Following are the program to this question:

#include<iostream> //defining header file

using namespace std;  

int main() //defining main method

{

int sum = 0, num; //defining integer variable  

cout << "Enter a number :"; // print message

cin >> num; //input number

sum=sum+num;

while (sum < 200)  //defining loop that check sum value is less then 200

{

cin >> num; //input number by user

sum =sum+num; //add values

}

cout << "Sum = " << sum <<" the loop stops"; //print values

return 0;

}

output:

Enter a number :44

66

90

Sum = 200 the loop stops

Explanation:

In the given C++ program, the main method is declared, inside the method two integer variable "sum and num" is declared, in which sum variable assign a value, that is 0, and num is used to take input from the user end.

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