Programming/Algorithm
[C++]백준 2839번:설탕 배달
TCBE
2019. 1. 26. 16:22
https://www.acmicpc.net/problem/2839
#include <iostream>
using namespace std;
int main() {
int N, exit;
int a, b, min;
exit= a = b= 0;
cin >> N;
a = N / 5;
min = b = N / 3;
for (int i = 0; i <= a; i++)
for (int j = 0; j <= b; j++)
if (N == (5 * i) + (3 * j)) {
if ((i + j) < min)
min = i + j;
exit++;
}
if (exit >= 1)
cout << min << endl;
else
cout << "-1" << endl;
}