#include <iostream>
#include <vector>
using namespace std;
 
//Пример передачи по ссылке
void vectorTransform(std::vector<int> &v){
	v[0] = 100500;
}
 
//Пример передачи по указателю
void vectorTransform_1(std::vector<int> *v){
	v->at(0) = 100501;
}
 
int main() {
	std::vector<int> someVec = {0,1,2,3,4,5};
	std::cout << someVec[0] << std::endl;
	vectorTransform(someVec);
	std::cout << someVec[0] << std::endl;
	vectorTransform_1(&someVec);
	std::cout << someVec[0] << std::endl;
	return 0;
}

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