simple histogram made with a for loop

15.histogram.cpp

// 15.histogram.cpp
// juanfc 2009-10-30
// ask for numbers until 0, making a simple histogram with them
//  It looks better if you enter all the numbers in a row.  Ex:
//  1 2 4 5 6 4 3 2 7 8 9 10 0

#include <iostream>
using namespace std;

int main()
{
    float x;

    do {
        cin >> x;

        if (x == 0) break;

        // x + 0.5 to round it up
        for ( int i = 1; i <= x + 0.5; ++i ) {
            cout << "*";
        }

        cout << endl;
    } while ( true );

    return 0;
}