#include #include using namespace std;int answer = 0;void Find(const vector& numbers, int target, int sum, int index) { if (index == numbers.size()) { if (sum == target) answer++; return; } Find(numbers, target, sum + numbers[index], index + 1); Find(numbers, target, sum - numbers[index], index + 1);}int solution(vector numbers, int target) { answer = 0; Find(numb..