👨🏫 空调
👨🏫 参考题解
import java.util.Scanner;public class Main
{static int N = (int) 1e5 + 10;static int[] a = new int[N];static int n;public static void main(String[] args){Scanner sc = new Scanner(System.in);n = sc.nextInt();for (int i = 1; i <= n; i++)a[i] = sc.nextInt();for (int i = 1; i <= n; i++){int t = sc.nextInt();a[i] -= t;}for (int i = n; i > 1; i--)a[i] -= a[i - 1];long pos = 0, neg = 0;for (int i = 1; i <= n; i++)if (a[i] > 0)pos += a[i];else{neg -= a[i];}System.out.println(Math.max(pos, neg));}}
