题解 | 小红的魔法药剂-Java

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        in.nextLine();

        String[] redMedStr = in.nextLine().split(" ");
        int[] redMeds = new int[redMedStr.length];
        for (int i = 0; i < redMeds.length; i++) {
            redMeds[i] = Integer.parseInt(redMedStr[i]);
        }

        int sum = 0;
        for (int i = 0; i < n; i++) {
            int b = in.nextInt();
            int c = in.nextInt();
            int blueMed =  redMeds[b-1] + redMeds[c-1];
            int redMed = redMeds[i];
            sum += Math.min(blueMed, redMed);
        }
        System.out.println(sum);
    }
}