Apple Division

input/code.cpp: In function 'int req(int, int, int, std::vector<int>&)':
input/code.cpp:7:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     if (index == weights.size())
      |         ~~~~~~^~~~~~~~~~~~~~~~~

// Online C++ compiler to run C++ program online
#include <iostream>
#include <vector>

int req(int w1, int w2, int index, std::vector<int>& weights)
{
    if (index == weights.size())
        return std::abs(w1 - w2);
    
    return std::min<int>(req(w1+weights[index], w2, index + 1, weights), req(w1, w2+weights[index], index + 1, weights));
}

int main() {
    int n;
    std::cin >> n;
    
    std::vector<int> vec = {};
    for (int i = 0; i < n; i++)
    {
        int k;
        std::cin >> k;
        vec.push_back(k);
    }
     
    std::cout << req(0, 0, 0, vec);   
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: WRONG ANSWER

Test 18

Verdict: ACCEPTED