C++ primer 第九章

9.4

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

bool find(vector<int>::iterator a, vector<int>::iterator b, int n) {
	while (a != b) {
		if (*a == n) {
			return true;
		}
		else {
			a++;
		}
	}

	return false;
}

int main() {
	
	
	vector<int> iter = { 1,2,3,4,5,7 };
	int n = 5;
	cout << find(iter.begin(), iter.end(), n)<<endl;
	return 0;



}

9.11

#include<iostream>
#include<vector>
using namespace std;
int main() {
	vector<int> v1;
	vector<int> v2 = { 1,2,3 };
	vector<int> v3(v2);
	vector<int> v4(10);
	vector<int> v5(10, 5);
	vector<int> v6(vector<int>::iterator a, vector<int>::iterator b);

}

9.13

	list<int> a = {2,3,4};
	vector<int> b(a.begin(), a.end());
	vector<double> c(a.begin(), a.end());

9.14

	list<const char*> t1;
	vector<string> t2;
	t2.assign(t1.cbegin(), t1.cend());

9.15

#include<iostream>
#include<vector>
#include<list>
using namespace std;
int main() {
	vector<int> a = { 1,2,3,4 };
	vector<int> b = { 1,2,3,4 };
	if (a == b) {
		cout << "equal" << endl;
	}
	else
	{
		cout << "no equal" << endl;
	}
}

9.16

#include<iostream>
#include<vector>
#include<list>
using namespace std;
int main() {
	vector<int> a = { 1,2,3,4 };
	list<int> b = { 1,2,3,4 };

	vector<int> d;//直接比较会报错
	d.assign(b.begin(), b.end());

	if (a == d) {
		cout << "equal" << endl;
	}
	else
	{
		cout << "no equal" << endl;
	}
}

9.18

#include<iostream>
#include<string>
#include<deque>

using namespace	std;

int main() {
	string word;
	deque<string> iter;
	while (cin >> word) {
		iter.push_back(word);
	}

	auto a = iter.begin();
	auto b = iter.end();
	while (a != b) {
		cout << *a++ << endl;
	}

	return 0;
	
}

9.19

#include<iostream>
#include<string>
#include<deque>
#include<list>
using namespace	std;

int main() {
	string word;
	list<string> iter;
	while (cin >> word) {
		iter.push_back(word);
	}

	auto a = iter.begin();
	auto b = iter.end();
	while (a != b) {
		cout << *a++ << endl;
	}

	return 0;
	
}

明天接着.....