1 #define _CRT_SECURE_NO_WARNINGS
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <time.h>
5 #include <process.h>
6 #include <Windows.h>
7
8 struct findInfo
9 {
10 int *pstart;//首地址
11 int length;
12 int findNum;//要查找的数据
13 int id;//编号
14 };
15
16 int flag = 1;
17
18 void findIt(void *p)
19 {
20 if (flag == 1)
21 {
22
23 findInfo *ps = (findInfo *)p;
24 printf("\n线程:%d开始查找", ps->id);
25 //遍历首地址，长度10个元素
26 for (int *pf = ps->pstart; pf < ps->pstart + ps->length; pf++)
27 {
28 if (*pf == ps->findNum)//相等
29 {
30 printf("\n线程%d结束查找，找到数据%d地址%p", ps->id, *pf, pf);
31 flag = 0;
32 return;
33 }
34 }
35
36 printf("\n线程:%d结束查找，没有找到", ps->id);
37 }
38 else
39 {
40 printf("\n其他线程已找到，结束查找");
41 }
42 }
43
44
45 void main()
46 {
47 int a[100] = { 0 };
48 time_t ts;
49 unsigned int data = time(&ts);
50 srand(data);
51
52 for (int i = 0; i < 100; i++)
53 {
54 a[i] = rand() % 100;
55 printf("%4d", a[i]);
56 if ((i + 1) % 10 == 0)
57 {
58 printf("\n");
59 }
60 }
61
62 int num;
63 scanf("%4d", &num);
64 struct findInfo info[10];//结构体数组
65
66 for (int i = 0; i < 10; i++)
67 {
68 info[i].pstart = a + 10 * i;
69 info[i].length = 10;
70 info[i].id = i;
71 info[i].findNum = num;
72 HANDLE hd = (HANDLE)_beginthread(findIt, 0, &info[i]);
73 WaitForSingleObject(hd, INFINITE);//线程等待，一个一个执行
74
75 }
76
77 system("pause");
78 }
