Description

請撰寫一個程式，讓使用者能夠找到不定數量的正整數中的最大值。

Please write a program that allows the user to find the maximum value among an indefinite number of positive integers.

Input

輸入包含一個整數�(20<=�<=100)n(20<=n<=100), 而下一行將有n個正整數。

The input contains an integer �(20<=�<=100)n(20<=n<=100), and the next line will have n positive integers.

Output

請輸出這�n個正整數中最大的那個。

Please output the largest of these n positive integers.

Sample Input 1

5
10 12 13 14 15

Sample Output 1

15

Sample Input 2

8
1 5 3 6 7 8 4 2

Sample Output 2

8

#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main(){
	int n;
	int b=-1;
	scanf("%d",&n);
	int a[n-1];
	for(int i = 0; i<n; i++){
		scanf("%d",&a[i]);
	}
	for(int i = n-1; i>=0; i--){
		if(b<=a[i]){
			b=a[i];
		}
	}
	printf("%d",b);
  return 0;
}