#include <stdio.h>
#include <string.h>
#define MAX_CONTACTS 100 // 最多存储100个联系人
struct Contact {
char name[50];
char phone[20];
};
struct Contact contacts[MAX_CONTACTS];
int numContacts = 0;
void addContact() {
struct Contact newContact;
printf("请输入姓名：");
scanf("%s", newContact.name);
printf("请输入电话号码：");
scanf("%s", newContact.phone);
contacts[numContacts] = newContact;
numContacts++;
printf("已添加联系人 %s\n", newContact.name);
}
void displayContacts() {
printf("通讯录中有 %d 个联系人：\n", numContacts);
for (int i = 0; i < numContacts; i++) {
printf("%d. 姓名：%s 电话：%s\n", i+1, contacts[i].name, contacts
[i].phone);
}
}
void searchContact() {
char query[50];
printf("请输入查询的姓名或电话：");
scanf("%s", query);
for (int i = 0; i < numContacts; i++) {
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