Answer to Question #250744 in C++ for Gayatri

Question

There was a Grocery shop. Shopkeeper would like to keep transactions as simple as he can. Here he used to take money as whole number. To optimize transactions, he decided if someone buys Ogroceries from his shop, he will round money to the nearest whole number having zero as last digit. Write a program to help Shopkeeper to make transactions much simple.



Program

Constraints: 1<N<1000000

Example 1: Input:

7659

-Positive loteger

Output:

7660 -result-Integer rounding to nearest whole number having zero

as last digit.

Explanation: Given integer 7659" which is near to 7660, the whole number having zero as last digit, Hence output is 7660.

Example 2:

Input:

50

Positive integer

Answer 1

Source code

#include <iostream>


using namespace std;


int round_Num(int num)
{
    int x = (num / 10) * 10;
    int y = x + 10;
    return (num - x > y - num)? y : x;
}
 


int main()
{
    int num;
    cout<<"\nEnter a number (between 1 and 1000000) : ";
    cin>>num;
    cout << round_Num(num) << endl;
    return 0;
}

Output