#include <stdio.h> #include <stdlib.h> #include <string.h> typedef struct { unsigned int weight; unsigned int parent; unsigned int lchild, rchild; } HTNode, *HuffmanTree; typedef char **HuffmanCode; void Select(HuffmanTree HT, int n, int &s1, int &s2) { int min1 = INT_MAX, min2 = INT_MAX; for (int i = 1; i <= n; i++) { if (HT[i].parent == 0 && HT[i].weight < min1) { s2 = s1; s1 = i; min2 = min1; min1 = HT[i].weight; } else if (HT[i].parent == 0 && HT[i].weight < min2) { s2 = i; min2 = HT[i].weight; } } } void HuffmanCoding(HuffmanTree &HT, HuffmanCode &HC, int *w, int n) { if (n <= 1) return; int m = 2 * n - 1; HT = (HuffmanTree) malloc((m + 1) * sizeof(HTNode)); HuffmanTree p; int i, s1, s2; for (p = HT + 1, i = 1; i <= n; ++i, ++p, ++w) (*p)-{*w, 0, 0, 0}; for (; i <= m; ++i, ++p)(*p)={0, 0, 0, 0}; for (i = n + 1; i <= m; ++i) { Select(HT, i - 1, s1, s2); HT[s1].parent = i; HT[s2].parent = i; HT[i].lchild = s1; HT[i].rchild = s2; HT[i].weight = HT[s1].weight + HT[s2].weight; } HC = (HuffmanCode) malloc((n + 1) * sizeof(char *)); char *cd = (char *) malloc(n * sizeof(char)); cd[n - 1] = '\0'; for (i = 1; i <= n; ++i) { int start = n - 1; for (int c = i, f = HT[i].parent; f != 0; c = f, f = HT[f].parent) { if (HT[f].lchild == c) { cd[--start] = '0'; } else { cd[--start] = '1'; } } HC[i] = (char *) malloc((n - start) * sizeof(char)); strcpy(HC[i], &cd[start]); } free(cd); printf("Huffman Tree:\n"); for (i = 1; i <= m; i++) { printf("%d: weight=%d, parent=%d, lchild=%d, rchild=%d\n", i, HT[i].weight, HT[i].parent, HT[i].lchild, HT[i].rchild); } printf("Huffman Code:\n"); for (i = 1; i <= n; i++) { printf("%d (%d): %s\n", i, w[i - 1], HC[i]); } } int main() { int w[] = {5, 29, 7, 8, 14, 23, 3, 11}; int n = sizeof(w) / sizeof(int); HuffmanTree HT; HuffmanCode HC; HuffmanCoding(HT, HC, w, n); return 0; }将这段代码改正

帮我解释一下每句代码，#include <stdio. h> #include <atring.h> #include <stdIib. h> #include <time. h> #define C 0 //测试 #define CFLAG4 //测试标记 #define JIAOCHA_RATE 0.5 //交叉概率一般取0.4到0.99 #define BIANYI_RATE 0.09 //变异概率为0. 0001-0.1 #define ITER_NUM 1000 //选代次数 #define POP_NUM 20 //柒色体个数 #define GENE_NUM 5 //基因位数 #define FEXP(x) ((x)*(x)) //y-x^2 typedef unsigned int UINT; //柒色体 typedef struct{ char geneBit[GENE_NUM]; //基因位 UINT fitValue; //适应值 }Chromosome;

1. #include <stdio.h>：包含标准输入输出库的头文件。 2. #include <string.h>：包含字符串操作相关库的头文件。 3. #include <stdlib.h>：包含一些常用函数的头文件。 4. #include <time.h>：包含时间相关...

#include <stdio.h> #include <stdlib.h> #include <string.h> #include #include <sys/time.h> #include <unistd.h> #include #include <signal.h> #include #include <algorithm> #include <iostream> #include <map> #include <string> #include <queue> #include <vector> #include <sstream> #define LOG_BRASERO_NUM 15 using namespace std; static char g_cpBrasero[] = { (char ) "ID", (char ) "刻录时间", (char ) "刻录机型号", (char ) "光盘属性", (char ) "刻录状态", (char ) "计算机帐户", (char ) "文件名称", (char ) "文件大小", (char ) "文件类型", (char ) "测试1", (char ) "测试2", (char ) "测试3", (char ) "测试4", (char ) "测试5", (char ) "测试6", }; typedef struct _tagBraseroLog { char cpValue[1024]; } BRASEROLOG; int uosaarch_line_parse(char pBuffer) { int index, len,lastLen; int ret = 0; char begin = NULL; char end = NULL; char lastEnd = NULL; //debug printf("进入了扫描"); BRASEROLOG BraseroLog[LOG_BRASERO_NUM]; memset(&BraseroLog, 0, LOG_BRASERO_NUM * sizeof(BRASEROLOG)); for (index = 0; index < LOG_BRASERO_NUM; index++) { begin = strstr(pBuffer, g_cpBrasero[index]); if(NULL == begin) continue; begin=strstr(begin,"="); end = strstr(pBuffer, g_cpBrasero[index + 1]); //end--; if (begin != NULL) { len = strlen("="); unsigned long strSize = end - begin - len ; printf("BraseroLOg[%d]=%s\n",index,BraseroLog[index].cpValue); //strncpy(BraseroLog[index].cpValue, begin + len, std::min(strSize, sizeof(BraseroLog[index].cpValue) - 1))； // printf("PrintLog[%d] = %s\n",index,BraseroLog[index].cpValue); } return 0; } return 1; } int main(){ char a[500] = "ID=1689309873, 刻录时间=2023-07-14 12:44:34, 刻录机型号=TSSTcorp-CDDVDW-SE-218CB-R95M6YMDA00008, 光盘属性=DVD+R, 刻录状态=成功, 计算机帐户=hba, 文件名称=/home/hba/Desktop/刻录测试文件.txt, 文件大小=66 B, 文件类型=文档"; uosaarch_line_parse(a); return 0; }

但是你没有在代码开头包含 <stdio.h> 头文件，所以编译器会发出警告。你需要在开头包含 <stdio.h> 头文件来解决这个问题。 2. 在 uosaarch_line_parse 函数中，你使用了 strstr 函数来查找字符串中的子字符...

我需要一个代码//把学生信息存放在txt文件中，读取数据，数据放在单链表中。 //要求可以通过ID查询某学生的各科成绩和总分及平均分 //可以通过ID查询某科成绩排名 //可以通过ID查询总分排名。 //成绩一样的排名一样。 #include <stdio.h> struct STU{ long ID; unsigned C; unsigned math; unsigned python; }; int main(void) { struct STU stu[10]; //sort by c+math+python return 0; }

#include <stdio.h> #include <stdlib.h> #include <string.h> #define MAX_NAME_LEN 20 #define MAX_ID_LEN 10 #define MAX_SUBJECTS 5 // 学生信息结构体 typedef struct student { char name[MAX_NAME_LEN]; /...

写出下面代码的伪代码并作出解释：这是一个图片反色代码 #include <stdio.h> #include <string.h> #include <stdlib.h> #include <math.h> #pragma pack(1) typedef struct { unsigned short bfType; unsigned int bfSize; unsigned short bfReserved1; unsigned short bfReserved2; unsigned int bfOffBits; } BITMAPFILEHEADER; typedef struct { unsigned int biSize; unsigned int biWidth; unsigned int biHeight; unsigned short biPlanes; unsigned short biBitCount; unsigned int biCompression; unsigned int biSizeImage; unsigned int biXPelsPerMeter; unsigned int biYPelsPerMeter; unsigned int biClrUsed; unsigned int biClrImportant; } BITMAPINFOHEADER; void* ReadBMP(const char* filename, BITMAPINFOHEADER* bmpHeader); //将原始BMP图像文件名和反色处理后的图像文件名作为参数，完成反色功能 int revers_bmp_color(const char* orig_filename, const char * new_filename) { FILE * fd = fopen(orig_filename, "rb"); if(fd == NULL) { fclose(fd); return 0; } BITMAPFILEHEADER bfh; BITMAPINFOHEADER bih; //读入文件头 fread(&bfh, sizeof(BITMAPFILEHEADER), 1, fd); fread(&bih, sizeof(BITMAPINFOHEADER), 1, fd); int byteperline = (bih.biWidth * bih.biBitCount / 8 + 3) / 4 * 4; int size = byteperline * bih.biHeight; unsigned char* data = (unsigned char)malloc(size); fread(data, (bfh.bfSize - bfh.bfOffBits), 1, fd); for (int i = 0; i < size; i++) { data[i] = ~data[i]; //反色 } //写入新文件 FILE newfd = fopen(new_filename, "wb"); fwrite(&bfh, sizeof(BITMAPFILEHEADER), 1, newfd); fwrite(&bih, sizeof(BITMAPINFOHEADER), 1, newfd); fwrite(data, size, 1, newfd); fclose(newfd); free(data); fclose(fd); return 0; } int main() { revers_bmp_color("jjb.bmp", "jjb2.bmp"); return 0; }

这是伪代码版本的图片反色代码：从图片中读取像素值对于每个像素值：将像素的R（红色）分量设为255减去原像素的R分量将像素的G（绿色）分量设为255减去原像素的G分量将像素的B（蓝色）分量设为255减去...

c语言完成，直接写代码，不用解释，已经有下面的结构体不用写了，直接写主函数：编写程序完成BMP图像(真彩色、256色)反色处理等功能。#include <stdio.h> #include <stdlib.h> #pragma pack(1) // 保证结构体在内存中占据的大小 // BMP 文件头 typedef struct { unsigned short type; // 文件类型，必须为 0x4d42 unsigned long size; // 文件大小（字节） unsigned short reserved1; // 保留字段，必须为 0 unsigned short reserved2; // 保留字段，必须为 0 unsigned long offset; // 位图数据的偏移量（字节） } BMP_FILE_HEADER; // BMP 信息头 typedef struct { unsigned long size; // 信息头大小（字节） long width; // 图像宽度 long height; // 图像高度 unsigned short planes; // 位图数据平面数，必须为 1 unsigned short bit_count; // 每个像素的位数 unsigned long compression; // 压缩方式 unsigned long size_image; // 位图数据大小（字节） long x_pels_per_meter; // 水平分辨率（像素/米） long y_pels_per_meter; // 垂直分辨率（像素/米） unsigned long clr_used; // 使用的调色板的颜色数 unsigned long clr_important; // 重要的颜色数，0 表示所有的颜色都是重要的 } BMP_INFO_HEADER; // 一个像素的信息 typedef struct { unsigned char blue; // 蓝色分量 unsigned char green; // 绿色分量 unsigned char red; // 红色分量 } PIXEL;

#include <stdio.h> #include <stdlib.h> #pragma pack(1) // 强制结构体成员按照定义的顺序进行对齐 // BMP 文件头结构体 typedef struct { unsigned short bfType; // 文件类型，必须为 BM unsigned int ...

补充完整下面代码：下面是一个完成 BMP 图像反色处理的 c 语言程序的示例： #include <stdio.h> #include <stdlib.h> // 定义 BMP 文件头的结构体 typedef struct { unsigned short int type; unsigned int size; unsigned short int reserved1, reserved2; unsigned int offset; } BMPHeader; // 定义 BMP 信息头的结构体 typedef struct { unsigned int size; int width, height; unsigned short int planes; unsigned short int bits; unsigned int compression; unsigned int imagesize; int xresolution, yresolution; unsigned int ncolours; unsigned int importantcolours; } BMPInfoHeader; // 定义调色板的结构体 typedef struct { unsigned char blue; unsigned char green; unsigned char red; unsigned char reserved; } Palette; int main(int argc, char argv[]) { // 判断命令行参数是否合法 if (argc != 3) { printf("Usage: %s <input file> <output file>\n", argv[0]); return 1; } // 打开输入文件 FILE input = fopen(argv[1], "rb"); if (!input) { perror(argv[1]); return 1; } // 打开输出文件 FILE *output = fopen(argv[2], "wb"); if (!output) { perror(argv[2]); return 1; } // 读取文件头 BMPHeader header; fread(&header, sizeof(BMPHeader), 1, input); // 判断文件是否是 BMP 格式 if (header.type != 0x4D42) { fclose(input); fclose(output); fprintf(stderr, "%s is not a BMP file!\n", argv[1]); return 1; } // 读取信息头 BMPInfoHeader info; fread(&info, sizeof(BMPInfoHeader), 1, input); // 判断是否是真彩色或 256 色的图像 if (info.bits != 24 && info.bits != 8) { fclose(input); fclose(output); fprintf(stderr, "Unsupported BMP image!\n"); return 1; } // 写

#include <stdio.h> #include <stdlib.h> // 定义 BMP 文件头结构体 typedef struct { unsigned short bfType; // 位图文件的类型，必须为 BM unsigned int bfSize; // 位图文件的大小，以字节为单位 unsigned ...

#include <stdio.h> #include <string.h> #include <stdlib.h> #define N 100 typedef struct { char data; unsigned int weight; unsigned int parent,lchild, rchild; }HTNode; typedef struct { char cd[N]; int start;} HCode; // 创建Huffman树 void createHT(HTNode ht[], int n) { int i, k, lnode, rnode; double min1, min2; for (i = 0; i < 2 * n - 1; i++) ht[i].parent = ht[i].lchild = ht[i].rchild = -1; for (i = n; i <= 2 * n - 2; i++) { min1 = min2 = 32767; lnode = rnode = -1; for (k = 0; k <= i - 1; k++) { if (ht[k].parent == -1) { if (ht[k].weight < min1) { min2 = min1; rnode = lnode; min1 = ht[k].weight; lnode = k; } else if (ht[k].weight < min2) { min2 = ht[k].weight; rnode = k; } } } ht[i].weight = ht[lnode].weight + ht[rnode].weight; ht[i].lchild = lnode; ht[i].rchild = rnode; ht[lnode].parent = i; ht[rnode].parent = i; }} // 生成编码 void CreateHCode(HTNode ht[], HCode hcd[], int n) { int i, f, c; HCode hc; for (i = 0; i < n; i++) { hc.start = n; c = i; f = ht[i].parent; while (f != -1) { if (ht[f].lchild == c) hc.cd[hc.start--] = '0'; else hc.cd[hc.start--] = '1'; c = f; f = ht[f].parent; } hc.start++; hcd[i] = hc; }} int main() { char str[N] = "\0"; int x; printf("请输入字符串："); gets(str); int n = strlen(str); HTNode ht[N]; for (int i = 0; i < n; i++) { ht[i].data = str[i]; printf("请输入第%d个结点权重:", i + 1); scanf("%d", &x); ht[i].weight = x; } HCode hcd[N]; createHT(ht, n); CreateHCode(ht, hcd, n); for (int j = 0; j < n; j++) { printf("%s", hcd[j].cd); } return 0; }改正错误

#include <stdio.h> #include <string.h> #include <stdlib.h> #define N 100 typedef struct { char data; unsigned int weight; unsigned int parent,lchild, rchild; }HTNode; typedef struct { char cd[N...

#include <stdio.h> #include <stdlib.h> #include <time.h> typedef struct node { int data; struct node *next; } node; void insert(node **head, int value) { node new_node = (node )malloc(sizeof(node)); new_node->data = value; new_node->next = head; head = new_node; } void print(node *head) { while (head) { printf("%d ", head->data); head = head->next; } } void insertion_sort(node **head) { if (head == NULL || (head)->next == NULL) { return; } node sorted_list = NULL; // 已排序部分的链表头指针 node cur = head; // 待排序部分的当前节点 while (cur != NULL) { node prev_sorted = NULL; // 已排序部分的前一个节点 node cur_sorted = sorted_list; // 已排序部分的当前节点 // 在已排序部分中找到待插入位置 while (cur_sorted != NULL && cur_sorted->data > cur->data) { prev_sorted = cur_sorted; cur_sorted = cur_sorted->next; } // 将待排序节点插入到已排序链表中 if (prev_sorted == NULL) { // 待插入位置在链表头 node temp = cur->next; // 先保存下一个节点，以便后面遍历链表时继续访问 cur->next = sorted_list; sorted_list = cur; cur = temp; } else { // 待插入位置在链表中间或尾部 prev_sorted->next = cur; node temp = cur->next; // 先保存下一个节点，以便后面遍历链表时继续访问 cur->next = cur_sorted; cur = temp; } } head = sorted_list; // 更新头指针 } int main() { node *head = NULL; srand((unsigned int)time(0)); for (int i = 0; i < 10; ++i) { int a = rand() %100; insert(&head,a); } printf("原始链表："); print(head); insertion_sort(&head); printf("\n排序后的链表："); print(head); getchar(); return 0; }如何换成冒泡排序进行排序

srand((unsigned int)time(0)); for (int i = 0; i < 10; ++i) { int a = rand() %100; insert(&head,a); } printf("原始链表："); print(head); bubble_sort(&head); printf("\n排序后的链表："); ...

#include<stdio.h> #include<string.h> #include<stdlib.h> #include<ctype.h> #include<openssl/hmac.h> char signature_calculate(char json_obj, char key){ unsigned char key_byte = (unsigned char )key; char sorted_json = to_url_query(json_obj); unsigned char dataddd = (unsigned char )sorted_json; unsigned char signature = HMAC(EVP_sha256(), key_byte, strlen(key), dataddd, strlen(dataddd), NULL, NULL); char hex_signature = malloc(2 EVP_MAX_MD_SIZE + 1); for(int i=0; i<EVP_MAX_MD_SIZE; i++) { sprintf(&hex_signature[i2], "%02x", signature[i]); } return hex_signature; } typedef struct { char key[256]; char value[256]; } KeyValue; int compare(const void a, const void b) { return strcmp(((KeyValue)a)->key, ((KeyValue)b)->key); } char sort_dict(KeyValue array, int size) { // 对KeyValue数组按ASCII码升序排序 qsort(array, size, sizeof(KeyValue), compare); char query_list = malloc(size 256); int len=0; for(int i=0; i<size; i++) { if(strlen(array[i].value)==0){ // 如果值为空或者空字符串则不拼接 continue; } char key = array[i].key; char value = array[i].value; if(isalpha(value[0]) && isalnum(value[1]) && strcmp(value, "true")!=0 && strcmp(value, "false")!=0) { sprintf(&query_list[len], "%s=%s&", key, value); } else { sprintf(&query_list[len], "%s="%s"&", key, value); } len = strlen(query_list); } if(len>0) { query_list[len-1] = 0; } return query_list; } char to_url_query(char json, char prefix){ // 将json字符串转换为URL键值对形式的字符串 int len = strlen(json); KeyValue array = malloc(len * sizeof(KeyValue)); int i=0; int j=0; int level=0; char key; // 处理嵌套字典的键名 while(i<len){ if(json[i]=='{' || json[i]=='['){ level++; i++; } else if(json[i]=='}' || json[i]==']'){ level--; i++; } else if(json[i]==','){ array[j].value[i-array[j].key] = 0; i++; j++; } else if(json[i]==':'){ key = array[j].key; array[j].value[0] = 0; i++; } else if(json[i]=='"' && level%2==0){ i++; int k=0; while(json[i]!='"') { array[j].value[k] = json[i]; i++; k++; } array[j].value[k] = 0; i++; } else if(json[i]!=',' && json[i]!=':' && json[i]!=' '){ array[j].key[i-j] = json[i]; i++; } else { i++; } } array[j].value[i-array[j].key] = 0; j++; char sorted_json = sort_dict(array, j); char *query_list = malloc(strlen(sorted_json)+1); if(strlen(prefix)>0){ sprintf(query_list, "%s.%s", prefix, sorted_json); } else { strcpy(query_list, sorted_json); } free(array); free(sorted_json); return query_list; } 请对上面的代码添加注释

#include<stdio.h> #include<string.h> #include<stdlib.h> #include<ctype.h> #include<openssl/hmac.h> // 计算签名函数，接收一个JSON字符串和一个密钥字符串，返回一个签名字符串 char *signature_...

#include<stdio.h> #include<string.h> #define N 100 typedef struct { char data; unsigned int weight; unsigned int parent,lchild,rchild; }HTNode; typedef struct { char cd[N]; int start; }HCode; //-----------------------------------创建Huffman树 void createHT(HTNode ht[],int n){ int i,k,lnode,rnode; double min1,min2; for(i=0;i<2n-1;i++) ht[i].parent=ht[i].lchild=ht[i].rchild=-1; for(i=n;i<=2n-2;i++){ min1=min2=32767; lnode=rnode=-1; for(k=0;k<=i-1;k++){ if(ht[k].parent==-1){ if(ht[k].weight<min1){ min2=min1;rnode=lnode; min1=ht[k].weight;lnode=k; } else if(ht[k].weight<min2){ min2=ht[k].weight;rnode=k;} }} ht[i].weight=ht[lnode].weight+ht[lnode].weight; ht[i].lchild=lnode;ht[i].rchild=rnode; ht[lnode].parent=i;ht[rnode].parent=i; } } //----------------------------编码 void CreateHCode(HTNode ht[], HCode hcd[],int n){ int i,f,c; HCode hc; for(i=0;i<n;i++){ hc.start=n;c=i; f= ht[i].parent; while(f!=-1){ if (ht[f].lchild==c) hc.cd[hc.start--]='0'; else hc.cd[hc.start--]='1'; c=f;f=ht[f]. parent; } hc.start++; hcd[i]= hc; }} void main(){ char str[N] = "\0"; int x; printf("请输入字符串："); gets(str); int n=strlen (str); HTNode ht[N]; for(int i=0;i<n;i++){ ht[i].data=str[i]; printf("请输入第%d个结点权重:",i+1); ht[i].weight=scanf("%d",&x);} HCode hcd[N]; createHT(ht,n); CreateHCode(ht,hcd,n); for(i=0;i<n;i++){ printf("%s",hcd[i].cd);} }改进代码

#include <stdio.h> #include <string.h> #include <stdlib.h> #define N 100 typedef struct { char data; unsigned int weight; unsigned int parent, lchild, rchild; } HTNode; typedef struct { char cd...

#include<stdio.h> #include<stdlib.h> #include<sys/ipc.h> #include<sys/shm.h> #include<sys/sem.h> #include<string.h> typedef struct _test{ int a_val; int b_val; int a_flag; int b_flag; int game_no; int stage; }test; int pk[3][3] = {0,-1,1,1,0,-1,-1,1,0}; void sem_p(); void sem_v(); void set_sem(); void del_sem(); int sem_id; union semun{ int val; struct semid_ds buf; unsigned short arry; }; int main(){ int shmid; test* shm; shmid = shmget((key_t)1236,sizeof(test),0666|IPC_CREAT); if(shmid == -1){ printf("shmget failed\n"); exit(EXIT_FAILURE); } printf("%d",shmid); shm = shmat(shmid,0,0); if (shm == (void*)-1){ printf("shmat failed\n"); exit(EXIT_FAILURE); } printf("\nMemory attached at %X\n",(int)shm); sem_id = semget((key_t)3000,1,0666|IPC_CREAT); set_sem(); int no=0,debug=0,a,b; shm->a_flag=0; shm->a_val = -2; shm->b_flag=0; shm->b_val = -2; shm->game_no=1; shm->stage=0; while(1){ sem_p(); //printf("a:%d b:%d\n",shm->a_val,shm->b_val); sleep(1); if(shm->game_no==-1){ sem_v(); break; } if (shm->stage==0){ if(no!=shm->game_no){ no = shm->game_no; printf("-------------------\n"); printf("game_no:%d\n",no); } if(shm->a_flag==1 && shm->b_flag==1) shm->stage=1; } else if(shm->stage==1){ printf("a:%d\n",shm->a_val); printf("b:%d\n",shm->b_val); a = pk[shm->a_val][shm->b_val]; b = pk[shm->b_val][shm->a_val]; shm->a_val=a; shm->b_val=b; shm->a_flag=0; shm->b_flag=0; shm->stage=2; } else if(shm->stage==2){ if(shm->a_flag==1 && shm->b_flag==1){ shm->stage=0; shm->game_no++; shm->a_flag=0; shm->b_flag=0; printf("-------------------\n"); if(shm->game_no > 100) shm->game_no=-1; } } sem_v(); } shmdt(shm); int ret=0; ret = shmctl(shmid,IPC_RMID,NULL); if(ret<0){ printf("shmctl error!\n"); } del_sem(); printf("finish"); } void set_sem(){ union semun sem_union; sem_union.val=1; semctl(sem_id,0,SETVAL,sem_union); } void del_sem(){ union semun sem_union; semctl(sem_id,0,IPC_RMID,sem_union); } void sem_p(){ struct sembuf sem_b; sem_b.sem_num = 0; sem_b.sem_op = -1; sem_b.sem_flg = SEM_UNDO; semop(sem_id,&sem_b,1); } void sem_v(){ struct sembuf sem_b; sem_b.sem_num = 0; sem_b.sem_op = 1; sem_b.sem_flg = SEM_UNDO; semop(sem_id,&sem_b,1); }

这段代码是一个使用共享内存和信号量实现的石头剪刀布游戏程序。程序中创建了一个共享内存区域，用于存储游戏的状态和玩家的选择结果。同时，使用了一个信号量来控制共享内存的访问，防止多个进程同时修改共享内存的...

写一个H264的RTP完整代码

答案：H264 RTP完整代码如下：#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/socket.h> #include <netinet/in.h> #include <string.h> #include <fcntl.h> #include <netdb.h> #...

补全下面代码：#include "stdio.h" #include "iostream.h" #include "stdlib.h" #include "time.h" const int size=1000; typedef long RecType; typedef struct { RecType rec[size+1]; int n; } SqTable; //顺序查找 void SeqSearch(SqTable R,RecType k,int &i,int &j) { } void print(SqTable R,int n) { } //排序 void sort(SqTable &R,int n) { } //折半查找 int BinSearch(SqTable R,RecType k,int &j) { } void main() { SqTable R,A; RecType x; int i,j,n; int k; do { printf("\n\n\n\n"); printf("\t\t 查找子系统\n"); printf("\t\t*****************************\n"); printf("\t\t* 1----产生数据　　 \n"); printf("\t\t 2----顺序查找　　　 \n"); printf("\t\t 3----二分查找　　　 \n"); printf("\t\t 4----打印数据　　　 \n"); printf("\t\t 0----返　　回　　　*\n"); printf("\t\t*****************************\n"); printf("\t\t 请选择菜单项(0－4)："); scanf("%d",&k); switch(k) { case 1://随机产生数据 printf("请输入要产生随机数的个数(n<=%d)n= ",size); scanf("%d",&n); srand((unsigned)time( NULL )); for (i=1;i<=n;i++) A.rec[i]=R.rec[i]=rand(); A.n=R.n=n; break; case 2://顺序查找 printf("请输入要查找的关键字："); scanf("%ld",&x); SeqSearch(R,x,i,j); if (i==0) printf("没有此数据!!!"); else printf("在 %d 个下标，第 %d 次找到。",i,j); break; case 3://二分查找 sort(A,n); print(A,n); printf("请输入要查找的关键字："); scanf("%ld",&x); j=0; i=BinSearch(A,x,j); if (i==0) printf("没有此数据!!!"); else printf("在 %d 个下标，第 %d 次找到。",i,j); break; case 4: print(A,n); } }while (k!=0); }

#include "stdio.h" #include "iostream.h" #include "stdlib.h" #include "time.h" const int size = 1000; typedef long RecType; typedef struct { RecType rec[size+1]; int n; } SqTable; //顺序查找 ...

顺序表函数为typedef struct { KeyType key; int data[]; }RecType; 随机产生1000个整数（要求互不相同）存储于该顺序表中

#include <stdio.h> #include <stdlib.h> #include <time.h> #define MAX_SIZE 1000 typedef int KeyType; typedef struct { KeyType key; int data[MAX_SIZE]; int length; } RecType; void ...

H.264 封装mp4 源码

#include <stdio.h> #include <stdlib.h> #include <string.h> #define FRAME_RATE 25 #define BIT_RATE 4800000 typedef struct { FILE *fp; int width; int height; int frame_rate; int bit_rate; int ...

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