1 test case failing

#1

1 test case is failing

#2 
#include<iostream>
#include<climits> 
//for INT_MIN
using namespace std;
int main() {
	int N;
	cin>>N;
	int arr[N]={0};
	int max1 = INT_MIN; //updated
	for(int i =0;i<N;i++){
		cin>>arr[i];
		max1 = max(max1,arr[i]);
	}
	cout<<max1;

	return 0;
}
#3

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