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ca48a_demo_c++_for循环语句

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/*ca48a_demo_c++_for循环语句
for(初始化;循环条件;表达式)
for语句头的某些部分可以省略
for语句头中的多个定义

应用程序无法正常启动(0xc000007b) c++问题:
卸载vs2015,安装vs2017,或者vs2019


txwtech
*/

/*ca48a_demo_c++_for循环语句
for(初始化;循环条件;表达式)
for语句头的某些部分可以省略
for语句头中的多个定义

应用程序无法正常启动(0xc000007b) c++问题:
卸载vs2015,安装vs2017,或者vs2019


txwtech
*/
#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main()
{
	for (int i = 0; i < 10; ++i)
		cout << i << endl;
	
	vector<string> svec;
	svec.push_back("I");
	svec.push_back("Love");
	svec.push_back("C++");
	cout << "输出的结果: " << '"';
	//cout << svec[0];

	//for (vector<string>::size_type ind = 0; ind != svec.size(); ++ind)
	for (int ind = 0; ind != svec.size(); ++ind)
	{
		cout << svec[ind];		
		if (ind + 1 != svec.size())//如果不是最后一个,就添加一个空格
			cout << " ";
	}
	cout << '"';

	const int size = 12;
	int val = 0, ia[size] = { 2,4,6,8,0,1,3,5,7,9,11,12 };
	int *pi = ia;
	int &ri = val;//声明一个引用
	for (int ival = 0; ival != size; ++ival)
	{
		cout << ia[ival] << "," << ia[ri] << "," << ia[val] << "," << *pi << endl;
		++pi;
		++ri;
	}
	//system("pause");
	return 0;
}

//

输入1 ,1,2,3,4,5,

输入2:1,2,3

结果:2是输入1的前缀

//习题:6.16

#include <iostream>
#include <vector>

using namespace std;

int main()
{

	vector<int> ivec1, ivec2;
	int ival;
	//ivec1.push_back(1);
	

	cout << "Enter elements for this first:(32767 to end)" << endl;

	cin >> ival;
	while (ival != 32767)
	{
		//ivec.push_back(ival);
		ivec1.push_back(ival);
		cin >> ival;

	}
	cout << "Enter elements for the secon vector:(32767 to end)" << endl;
	cin >> ival;
	while (ival!=32767)
	{
		ivec2.push_back(ival);
		cin >> ival;
	}
	vector<int>::size_type size1, size2;
	size1= ivec1.size();
	size2 = ivec2.size();
	bool result = true;
	for (vector<int>::size_type ix = 0; ix != (size1 > size2 ? size2 : size1); ++ix)
	{
		if (ivec1[ix] != ivec2[ix])
		{
			result = false;
			break; 
		 
		}
			
	}

	if (result)
		if (size1 < size2)
			cout << "the fisrt vector is prefix of the second one" << endl;
		else if (size1 == size2)
			cout << "two vector are equal" << endl;
		else
			cout << "the second vector is prefix of the first one" << endl;


	else
		cout << "No vector is prefix(前缀) of the other one:";

	system("pause");
	return 0;
}

 

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标签:cout,demo,back,c++,ca48a,ind,push,ival,size
来源: https://blog.csdn.net/txwtech/article/details/104174811