add 5-19

Code/GameAcount.c

@@ -0,0 +1,135 @@
+
+/*****************************************************************************
+根据战争策略游戏中的游戏号相关属性（账号、密码、金币数、vip等级、材料...）
+设计结构体的数据类型，实现以下的功能：
+1）注册账号 2）登录 3）设置账号的相关属性 4）显示
+*****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void Print_Guide()
+{
+    printf("******************************\n");
+    printf("请输入选项编号:\n");
+    printf("******************************\n");
+    printf(" 1 注册账号\n");
+    printf(" 2 登录\n");
+    printf(" 3 退出\n");
+    printf("******************************\n");
+}
+
+void Print_UserOptions()
+{
+    printf("******************************\n");
+    printf("请输入选项编号:\n");
+    printf("******************************\n");
+    printf(" 1 设置账号属性\n");
+    printf(" 2 显示用户属性\n");
+    printf(" 3 退出至登录界面\n"); 
+    printf("******************************\n");
+}
+
+struct Acount
+{
+    char acount_name[20];
+    char password[20];
+    int gold;
+    int vip_level;
+    int material;
+
+};
+
+
+int main()
+{
+    int login_option,user_option;
+    char login_name[20];
+    char login_password[20];
+
+    struct Acount acount1;
+    while(1)
+    {
+        Print_Guide();
+        scanf("%d", &login_option);
+        switch (login_option)
+        {
+            case 1:
+            {
+                printf("请输入账号名: ");
+                scanf("%s", acount1.acount_name);
+                printf("请输入密码: ");
+                scanf("%s", acount1.password);
+                printf("账号注册成功!\n");
+                printf("账号名: %s\n", acount1.acount_name);
+                printf("密码: %s\n", acount1.password);
+                break;
+            }
+            case 2:
+            {
+                printf("请输入账号名: ");
+                scanf("%s", login_name);
+                if(strcmp(login_name,acount1.acount_name) != 0)
+                {
+                    printf("账号不存在!\n");
+                    break;
+                }
+                else
+                {
+                    printf("请输入密码: ");
+                    scanf("%s", login_password);
+                    if (strcmp(login_password, acount1.password) != 0)
+                    {
+                        printf("密码错误!\n");
+                        break;
+                    }
+                    else
+                    {
+                        printf("登陆成功!\n");
+                        while(1)
+                        {
+                            Print_UserOptions();
+                            scanf("%d", &user_option);
+                            switch (user_option)
+                            {
+                                case 1:
+                                    printf("请输入金币数: ");
+                                    scanf("%d", &acount1.gold);
+                                    printf("请输入vip等级: ");
+                                    scanf("%d", &acount1.vip_level);
+                                    printf("请输入材料数: ");
+                                    scanf("%d", &acount1.material);
+                                    printf("账号属性设置成功!\n");
+                                    break;
+                                case 2:
+                                    printf("账号名: %s\n", acount1.acount_name);
+                                    printf("密码: %s\n", acount1.password);
+                                    printf("金币数: %d\n", acount1.gold);
+                                    printf("vip等级: %d\n", acount1.vip_level);
+                                    printf("材料数: %d\n", acount1.material);
+                                    break;
+                                case 3:
+                                    printf("已退出!\n");
+                                    break;
+                                default:
+                                    printf("无效选项!\n");
+                            }
+
+                            if(user_option == 3)
+                                break;
+                        }
+                    }
+                }
+            break;
+            }
+            case 3:
+                printf("已退出!\n");
+                break;
+        }
+        if(login_option == 3)
+            break;
+    }
+   
+    return 0;
+}

Code/digui1.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int jiecheng(int n)
+{
+    if(n == 0 )
+        return 1;
+    else    
+        return n * jiecheng(n - 1);
+}
+
+int main()
+{
+    int n;
+    printf("请输入一个数字: ");
+    scanf("%d", &n);
+    printf("%d的阶乘是:%d\n", n, jiecheng(n));
+    return 0;
+}

Code/digui2.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+void shizhuanger(int n)
+{
+    if(n == 0)
+        return;
+    shizhuanger(n / 2);
+    printf("%d",n % 2);
+}
+int main()
+{
+    int n;
+    printf("请输入一个数字: ");
+    scanf("%d", &n);
+    printf("%d的二进制是:", n);
+    shizhuanger(n);
+    printf("\n");
+    return 0;
+}

Code/jiegou1.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+struct Student
+{
+    
+    char name[10];
+    char sex;
+
+    double score;
+};
+
+int main()
+{
+    struct Student student;
+
+    printf("这个结构体的大小是:%ld个字节\n", sizeof(student));
+
+    return 0;
+}