[Baekjoon/C++] 32326번 - Conveyor Belt Sushi

[백준] Baekjoon Online Judge

문제로 이동

 

문제

There is a new conveyor belt sushi restaurant in town. Plates of sushi travel around the restaurant on a raised conveyor belt and customers choose what to eat by removing plates.

Each red plate of sushi costs $3, each green plate of sushi costs $4, and each blue plate of sushi costs $5.

Your job is to determine the cost of a meal, given the number of plates of each colour chosen by a customer.

 

입력

The first line of input contains a non-negative integer, R, representing the number of red plates chosen. The second line contains a non-negative integer, G, representing the number of green plates chosen. The third line contains a non-negative integer, B, representing the number of blue plates chosen.

 

출력

Output the non-negative integer, C, which is the cost of the meal in dollars.

 

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풀이

#include <iostream>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int r, g, b;
    cin >> r >> g >> b;
    cout << r * 3 + g * 4 + b * 5 << '\n';

    return 0;
}

 입력 받은 접시의 수에 각 접시의 비용을 곱해서 더하면 된다.