dovelet - 사탕/coci_slatkisi

dovelet - 사탕/coci_slatkisi

문제

#include <iostream>
#include <math.h>
 
using namespace std;
 
int main()
{
    int x, y;
    cin >> x >> y;
    int z = pow(10, y);
    int r1 = x / z;  
    int r2 = x % z;  
    if (r2 >= z / 2)
        r1 += 1;
    cout << r1 * z << endl;     
 
    return 0;
}