3.3.2 向vector对象中添加元素

练习3.14

#include <iostream>
#include <vector>
using namespace std;

int main() {

	vector<int> a;
	int b;
	while (cin >> b)
		a.push_back(b);
	
}

练习3.15

#include <iostream>
#include <vector>
using namespace std;

int main() {

	vector<string> a;
	string b;
	while (cin >> b)
		a.push_back(b);
	
}