// Finish the following program which adds up all integers from 0 to // the user

Question

 // Finish the following program which adds up all integers from 0 to  // the user's given number inclusively using a While Loop. The total should be  // assigned to the variable 'total'.  #include <iostream>   using namespace std;     int main() {     int number;  int total = 0;   int counter = 0; //initialize the variable    // user enters a number  cout << "Enter a positive integer to find the summation of ";   cout << "all numbers from 0 to the given number up to 100." << endl;  cin >> number;    // check for invalid user input   if (number < 1  || number > 100)      {          cout << "Invalid Input" << endl;          return -1; // terminate program      }    // TODO - add your code here.    // hint: increment a counter variable inside the loop.   cout << "Your total is :" << total;    return 0;  } 

Explanation / Answer

#include <iostream>

using namespace std;

int main() {

int number;
int total = 0;
int counter = 0; //initialize the variable

// user enters a number
cout << "Enter a positive integer to find the summation of ";
cout << "all numbers from 0 to the given number up to 100." << endl;
cin >> number;

// check for invalid user input
if (number < 1 || number > 100)
    {
        cout << "Invalid Input" << endl;
        return -1; // terminate program
    }

    while(counter<=number){ // counting unitl given number
        total += counter;
        counter++; // incrementing counter
    }

cout << "Your total is :" << total<<endl;

return 0;
}

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