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  1. //Cecilia Rangel	 CSC5	 Chapter 5,				 P.294, #1
  2. //
  3. /**************************************************************
  4.  *
  5.  * SUM OF NUMBERS
  6.  * ____________________________________________________________
  7.  * This program will ask for the user to input a positive
  8.  * number, and the program adds up all numbers between 0
  9.  * and the number inputted
  10.  * 
  11.  *_____________________________________________________________
  12.  * INPUT
  13.  *  	user input : a number 
  14.  *
  15.  * OUTPUT
  16.  *		totalSum   : sum of all number 0 - user input 
  17.  *					
  18.  *
  19.  **************************************************************/
  20. #include <iostream>
  21. using namespace std;
  22.  
  23. int main() {
  24. 	int integer;	//user input
  25. 	int counter;	//counter variable
  26. 	int totalSum;	//output sum of integers
  27.  
  28. 	//ask user for integer
  29. 	cout << "Enter postive integer: ";
  30. 	cin >> integer;
  31. 	cout << integer << endl;
  32.  
  33. 	if (integer >= 0)
  34. 	{
  35. 		while (counter != integer)
  36. 		{
  37. 			counter++;
  38. 			totalSum += counter;
  39. 		}
  40.  
  41. 		cout << "sum of numbers: " << totalSum;
  42. 	}
  43. 	else
  44. 	cout << "Invalid. Positive integer only.";
  45. 	return 0;
  46. }
Success #stdin #stdout 0.01s 5288KB
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5
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Enter postive integer: 5
sum of numbers: 15
https://ideone.com/HhdCQ7
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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