C++ 代码

#include <cstdio>
#include <iostream>
using namespace std;
int main()
{
    double n1, s1, p1;
    double n2, s2, p2;
    cin >> n1 >> s1 >> p1;
    cin >> n2 >> s2 >> p2;
    printf("VALOR A PAGAR: R$ %.2lf\n", s1 * p1 + s2 * p2);
    return 0;
}

Java 代码

import java.util.Scanner;
import java.text.DecimalFormat;

public class Main
{
    public static void main(String[] args)
    {
        Scanner cin=new Scanner(System.in);
        int n1=cin.nextInt();
        int s1=cin.nextInt();
        double p1=cin.nextDouble();
        int n2=cin.nextInt();
        int s2=cin.nextInt();
        double p2=cin.nextDouble();
        double m=p1*s1+p2*s2;
        DecimalFormat df=new DecimalFormat("0.00");
        System.out.println("VALOR A PAGAR: R$ "+df.format(m));
    }
}