Answer to Question #297110 in C++ for junior

Question

Write a program that prints the value of 120.456789 rounded to the nearest digit, tenth, hundredth, thousandth, and ten-thousandth. [Hint: This should make use of formatted output.]

Answer 1

#include <iostream>
#include <iomanip>
using namespace std;


int main() {
    double x = 120.456789;


    cout << fixed;
    for (int i=0; i<=4; i++) {
        cout << setprecision(i) << x << endl;
    }


    return 0;
}