Apple Division

input/code.cpp: In function 'int main()':
input/code.cpp:12:24: error: 'INT_MAX' was not declared in this scope
   12 |         int bestDiff = INT_MAX;
      |                        ^~~~~~~
input/code.cpp:3:1: note: 'INT_MAX' is defined in header '<climits>'; did you forget to '#include <climits>'?
    2 | #include <cmath>
  +++ |+#include <climits>
    3 | using namespace std;

#include <iostream>
#include <cmath>
using namespace std;

int main(){
	int n, p[20];
	cin >> n;
	for(int i = 0; i < n; ++i){
		cin>>p[i];
	}
	
	int bestDiff = INT_MAX;
	
	for(int mask = 0; mask < (1 << n); ++mask){
		int sumA = 0, sumB = 0;
		for(int j = 0; j < n; j++){
			if(mask & (1 << j)){
				sumA += p[j];
			}
			else{
				sumB += p[j];
			}
		}
		int diff = abs(sumA - sumB);
		if(diff < bestDiff) bestDiff = diff;
	}
	cout << bestDiff;
	return 0;
}