#include <utility>
#include <vector>

std::pair<std::size_t, std::size_t> two_sum(const std::vector<int>& numbers, int target) {
    for(int i = 0; i<numbers.size(); i++){
        for(int j = i; j<numbers.size(); j++){
            if(numbers[i] + numbers[j] == target && i != j)
                return {i, j};
        }
    }
    return {0, 0};
}

int main(){
    
}