InsertSort

Posted 2021-01-24 purzel

 1 #include <bits/stdc++.h>
 2 
 3 using namespace std;
 4 #define MAXSIZE 200000
 5 typedef int KeyType;
 6 typedef struct {
 7     KeyType key;
 8 }RedType;
 9 typedef struct {
10     RedType r[MAXSIZE + 1];
11     int length;
12 }SqList;
13 int Random(int start, int end){
14     int dis = end - start;
15     return rand() % dis + start;
16 }
17 void InsertSort(SqList &L) {
18     double start_time, finish_time, cord_time;
19     start_time = clock();
20     int i, j;
21     for (i = 2; i <= L.length; ++i) {
22         if (L.r[i].key < L.r[i-1].key) {
23             L.r[0] = L.r[i];
24             L.r[i] = L.r[i-1];
25             for (j = i-2; L.r[0].key < L.r[j].key; --j) {
26                 L.r[j+1] = L.r[j];
27             }
28             L.r[j+1] = L.r[0];
29         }
30     }
31     finish_time = clock();
32     cord_time = (double)(finish_time - start_time) ;
33     printf("InsertSort time=%f ms
", cord_time);
34 }
35 void InPut(SqList &L) {
36     int i;
37     srand((unsigned)time(NULL));
38     cin >> L.length;
39     for (i = 1; i <= L.length; ++i) {
40         // cin >> L.r[i].key;
41         L.r[i].key = Random(1, 1000000);
42     }
43 }
44 void OutPut(SqList &L) {
45     int i;
46     for (i = 1; i <= L.length; ++i) {
47         cout << L.r[i].key << " ";
48     }
49 }
50 int main() {
51     SqList L;
52     // L.r = new RedType [MAXSIZE+1];
53     InPut(L);
54     InsertSort(L);
55     OutPut(L);
56     return 0;
57 }