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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct user test_user;
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typedef struct red_envelope test_red_envelope;
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typedef struct user* p_user;
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typedef struct red_envelope* p_red_envelope;
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struct user{
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char name[100];
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p_red_envelope send_envelope[100];
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p_red_envelope receive_envelope[100];
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};
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struct red_envelope{
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long int time;
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long int money;
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char words[100];
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p_user sender;
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p_user receiver;
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};
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int main()
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{
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/* 我的第一个 C 程序 */
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int i=0;
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printf("Hello, World! \n"); //测试语句
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test_user first; //创建用户结构体实例first
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strcpy(first.name,"张三"); //用户名为张三
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for(;i<=29;i=i+1){
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first.send_envelope[i]=malloc(sizeof(struct red_envelope));
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first.receive_envelope[i]=malloc(sizeof(struct red_envelope));
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} //由于用户结构体中红包数组类型为结构体红包指针，在创建实例的时候不会根据
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//结构体红包实例大小分配内存，因此需要手动分配
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test_user second; //创建用户结构体实例second
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strcpy(second.name,"李四"); //用户名为李四
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for(i=0;i<=29;i=i+1){
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second.send_envelope[i]=malloc(sizeof(struct red_envelope));
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second.receive_envelope[i]=malloc(sizeof(struct red_envelope));
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} //创建用户second
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test_red_envelope firstred; //创建红包实例
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firstred.money=10; //为红包实例赋初值，金额为10
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strcpy(firstred.words,"恭喜发财"); //为红包实例赋初值，祝福语为恭喜发财
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firstred.receiver=malloc(sizeof(struct user)); //由于红包结构体中发送人与接收人为用户结构体指针，在创建实例的时候不会根据
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firstred.sender=malloc(sizeof(struct user)); //用户结构体实例大小分配内存，因此需要手动分配，防止后续地址内存错误
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giveRedEnvelope(first,second,firstred);
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test_red_envelope secondred; //创建红包实例
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secondred.money=11; //为红包实例赋初值，金额为11
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strcpy(secondred.words,"共同发财"); //为红包实例赋初值，祝福语为共同发财
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secondred.receiver=malloc(sizeof(struct user)); //由于红包结构体中发送人与接收人为用户结构体指针，在创建实例的时候不会根据
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secondred.sender=malloc(sizeof(struct user)); //用户结构体实例大小分配内存，因此需要手动分配，防止后续地址内存错误
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giveRedEnvelope(second,first,secondred);
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printf("\n用户名:%s",first.name);
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printf("\n收红包列表:\n");
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for(i=0;i<=29;i=i+1){
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if(first.receive_envelope[i]->money==0)
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break;
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printf("金额：%d",first.receive_envelope[i]->money);
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printf("\n祝福语：%s",first.receive_envelope[i]->words);
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printf("\n发送人：%s",first.receive_envelope[i]->sender->name);
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}
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printf("\n发红包列表:\n");
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for(i=0;i<=29;i=i+1){
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if(first.send_envelope[i]->money==0)
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break;
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printf("金额：%d",first.send_envelope[i]->money);
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printf("\n祝福语：%s",first.send_envelope[i]->words);
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printf("\n接收人：%s",first.send_envelope[i]->receiver->name);
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}
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printf("\n用户名:%s",second.name);
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printf("\n收红包列表:\n");
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for(i=0;i<=29;i=i+1){
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if(second.receive_envelope[i]->money==0)
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break;
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printf("金额：%d",second.receive_envelope[i]->money);
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printf("\n祝福语：%s",second.receive_envelope[i]->words);
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printf("\n发送人：%s",second.receive_envelope[i]->sender->name);
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}
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printf("\n发红包列表:\n");
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for(i=0;i<=29;i=i+1){
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if(second.send_envelope[i]->money==0)
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break;
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printf("金额：%d",second.send_envelope[i]->money);
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printf("\n祝福语：%s",second.send_envelope[i]->words);
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printf("\n接收人：%s",second.send_envelope[i]->receiver->name);
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}
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return 0;
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}
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int acceptRedEnvelope(test_user *receiver,test_user *sender,test_red_envelope red_envelope){
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printf("%s用户准备接收来自%s用户的%d元的红包\n",(*receiver).name,(*sender).name,red_envelope.money);
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int flag=0;
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int i;
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for(i=0;i<=29;i=i+1){
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if ((*receiver).receive_envelope[i]->money==0){
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flag=i;
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break;
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}
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}
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*(*receiver).receive_envelope[flag]=red_envelope;
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printf("%s用户已成功接收到%s用户发来的%d元红包\n",(*receiver).name,(*sender).name,red_envelope.money);
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return 0;
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}
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int giveRedEnvelope(test_user *sender,test_user *receiver,test_red_envelope red_envelope){
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printf("%s用户准备发%d元的红包给%s用户\n",(*sender).name,red_envelope.money,(*receiver).name);//控制台输出
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strcpy(red_envelope.receiver->name,receiver->name);//此处偷懒，仅将发送人与接收人的用户名赋给红包实例（形参）
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strcpy(red_envelope.sender->name,sender->name);
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acceptRedEnvelope(receiver,sender,red_envelope);
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int flag=0;
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int i;
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for(i=0;i<=29;i=i+1){
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if ((*sender).send_envelope[i]->money==0){
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flag=i;
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break;
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}
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}
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*(*sender).send_envelope[flag]=red_envelope;
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printf("%s用户成功发送%d元的红包给%s用户\n",(*sender).name,red_envelope.money,(*receiver).name);
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return 0;
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}
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