去哪儿网2014年校园招聘笔试题（成都）

1. implement a function of String randomAlphabetic(int count)

Creats a random string whose length is the number of characters specified;

Characters will be chosen from the set of alphabetic characters.

#include <iostream>
#include <string>
#include <time.h>
using namespace std;

string randomAlphabetic(int count)
{
string str;
srand((unsigned int)time(NULL));
int random;
char randomChar;

while (count--)
{
random = rand() % 26;
if (rand() % 2 == 0)
{
randomChar = 'a' + random;
}
else
{
randomChar = 'A' + random;
}

str += randomChar;
}

return str;
}

int main()
{
int count;
while (cin>>count)
{
string str = randomAlphabetic(count);
cout<<str<<endl;
}

return 0;
}

2. 已知字母序列【d, g, e, c, f, b, o, a】，请实现一个函数针对输入的一组字符串 input[] = {"bed", "dog", "dear", "eye"}，按照字母顺序排序并打印。

本例的输出顺序为：dear, dog, eye, bed。

 

3. 有一万个北京单身男女向你提交了基本资料，包括：姓名、性别、年龄、星座，写一段程序尝试找出他们最匹配的一对。