C++Primer第五版习题答案（二）

2.8

#include <iostream>

using namespace std;

int main()
{
	//cout << "2\115" << '\n';
	cout << '2' << '\t' << '\115' << '\n';

	return 0;
}

2.10

#include <iostream>

using namespace std;

string global_str;
int global_int;

int main()
{
	int local_int;
	string local_str;

	cout << "global_str:" << global_str << endl;
	cout << "global_int:" << global_int << endl;
	//cout << "local_int:" << local_int << endl;
	cout << "local_str:" << local_str << endl;

	return 0;
}

2.14

#include <iostream>

using namespace std;


int main()
{
	int i = 100, sum = 0;
	for (int i = 0; i != 10; ++i)
		sum += i;
	cout << i << " " << sum << endl;

	return 0;
}