33 

 1 #include <iostream>
 2 using namespace std;
 3 
 4 bool Greater2(int n1,int n2) 
 5 {
 6     return n1 > n2;
 7 }
 8 bool Greater1(int n1,int n2) 
 9 {
10     return n1 < n2;
11 }
12 bool Greater3(double d1,double d2)
13 {
14     return d1 < d2;
15 }
16 
17 template <class T1,class T2>
18 void mysort(
19 T1* p,T1* q,T2 op){
20     for(T1* i = p;i < q;++ i){
21         for(T1* j = i + 1;j < q;++ j)
22           if(!op(*i,*j))
23              swap(*i,*j);
24     }
25 }
26 #define NUM 5
27 int main()
28 {
29     int an[NUM] = { 8,123,11,10,4 };
30     mysort(an,an+NUM,Greater1); //从小到大排序 
31     for( int i = 0;i < NUM; i ++ )
32        cout << an[i] << ",";
33     mysort(an,an+NUM,Greater2); //从大到小排序 
34     cout << endl;
35     for( int i = 0;i < NUM; i ++ )
36         cout << an[i] << ","; 
37     cout << endl;
38     double d[6] = { 1.4,1.8,3.2,1.2,3.1,2.1};
39     mysort(d+1,d+5,Greater3); //将数组从下标1到下标4从小到大排序 
40     for( int i = 0;i < 6; i ++ )
41          cout << d[i] << ","; 
42     return 0;
43 }

 

posted @ 2022-09-13 22:55  balabalahhh  阅读(165)  评论(0)    收藏  举报