Help with Sum of Input

[DanteWylde]

I have an assignment due tonight for a beginner programming class. My instructions are:

(sum) Create a program that will output the sum of all of the numbers from 1 to 100.

I used an old program I had to do as a template, but my code makes the total number of inputs print out at the end, instead of the sum of however many numbers are input. How can I correct this?

I know it's a simple little mistake, and were my assignment not due tonight I wouldn't be asking.

 #include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
	float inputNumber, totalSum=0;
	
	cout<<"Please input a number, or enter 0 to stop."<<endl;
	cout<<endl;
	cin>>inputNumber;
	if (inputNumber !=0)
	{
		while (inputNumber !=0)
		{
		totalSum++;
		cin>>inputNumber;
	}
}
	
	totalSum += inputNumber;	
	cout<<"The sum of all numbers entered is:"<<totalSum<<endl;
	
	system ("pause");
	return 0;
}

[keskiverto]

(sum) Create a program that will output the sum of all of the numbers from 1 to 100.

Sum thus equals 1+2+3+..+100

Use a for-loop and on every iteration add to the sum.


What does line 17 do?

When is a float exactly 0?

Only the line 22 adds inputNumber to the sum, but by the conditions on lines 13 and 15 the value of inputNumber is 0.