判断一个序列是否是另一个序列的前缀

// test13.cpp : 定义控制台应用程序的入口点。
//

include "stdafx.h"

include

include

include

include

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
vector longNum;
vector shortNum;
int num,flag=1;
cout << "请输入长序列：" << endl;
while (cin >> num)
{
longNum.push_back(num);
if (getchar() == '\n')
break;
}

cout << "请输入短序列：" << endl;
while (cin >> num)
{
shortNum.push_back(num);
if (getchar() == '\n')
break;
}

for (auto it = longNum.begin(); it != longNum.end(); it++)
{
cout << *it << " ";
}cout << endl;

for (auto it = shortNum.begin(); it != shortNum.end(); it++)
{
cout << *it << " " ;
}cout << endl;

for (int i = 0; i < shortNum.size(); i++)
{
if (shortNum[i] != longNum[i])
{
flag = 0;
break;
}
}
if (flag == 1)
cout << "短序列是长序列的前缀" << endl;
else
cout << "短序列不是长序列的前缀" << endl;

}