学步园

#include <iostream><br /> #include <vector><br /> #include <time.h><br /> using namespace std;<br /> const int vect_len = 10;<br /> const int max_value = 100;<br /> bool myfunction(int i, int j)<br /> {<br /> return (i < j);<br /> }<br /> bool myfunction1(int i, int j)<br /> {<br /> return (i > j);<br /> }<br /> struct myclass<br /> {<br /> bool operator() (int i,int j)<br /> {<br /> return (i < j);<br /> }<br /> }myobject;<br /> //print<br /> void print(vector<int>& vec)<br /> {<br /> std::vector<int>::iterator it;</p> <p> std::cout << "/nvector's length: " << vec.size() << " vector's content is " << endl;<br /> for(it = vec.begin(); it != vec.end(); it++)<br /> {<br /> std::cout << *it << " ";<br /> }</p> <p> std::cout << endl;<br /> }<br /> void sort_test()<br /> {<br /> vector<int> vect;<br /> srand((unsigned)time(NULL));<br /> for(int i = 0; i < vect_len; i++)<br /> {<br /> int tmp = rand();<br /> vect.push_back(tmp % max_value);<br /> }</p> <p> //print before sort<br /> print(vect);</p> <p> //sort<br /> sort(vect.begin(), vect.end(), myfunction1);</p> <p> //print after sort<br /> print(vect); </p> <p> return;<br /> }<br /> int main()<br /> {<br /> sort_test();<br /> }<br />

输出如下：

ewuming/tmp>g++ -o a.out sort_test.cc
ewuming/tmp>./a.out
 
vector's length: 10 vector's content is
16  41  11  88  9  85  7  18  20  35
 
vector's length: 10 vector's content is
88  85  41  35  20  18  16  11  9  7