int main(int argc, char* argv) { int array[] = { 1,1,-1,-1,2,3,-2,0,0,0,0 }; std::vector<int> nums(array, array+sizeof(array)/sizeof(array[0])); int target = 4; Solution solver; std::vector< std::vector<int> > results = solver.QuadripletSum(nums, target); return 0; }