加密，解密！自娛自樂控制台小程式！

 

#include "stdafx.h"#include "stdio.h"   #include "string.h"   #include"stdlib.h"   void Cryptogram();  void Ansert();  void Menu();  void Cryptogram()  {  int result = 1;  int i ;  int count = 0;  char Text[128]={'\0'};  char cryptograph[128]={'\0'};  printf("請輸入要加密的明文:\n");  scanf("%s",&Text);  count = strlen(Text);  for ( i =0;i<count;i++)  {  cryptograph[i] =Text[i]+i+5;  }  cryptograph[i] ='\0';  printf("加密後的密文是: %s\n",cryptograph);  }  void Ansert()  {  int result = 1;  int i ;  int count = 0;  char Text[128]={'\0'};  char cryptograph[128]={'\0'};  printf("請輸入密文:\n");  scanf("%s",&cryptograph);  count = strlen(cryptograph);  for ( i =0;i<count;i++)  {  Text[i]; cryptograph[i]-i-5;  }  Text[i] ='\0';  printf("解密後的密碼是: %s\n",Text);  }  void Menu()  {  printf("\t請選擇你希望的操作!\n");  printf("\t--------------------\n");  printf("\t 1.加密處理！\n");  printf("\t 2.解密處理! \n");  printf("\t 3.退出程式! \n");  printf("\t--------------------\n");  }  int main()  {  while(1)  {  Menu();  int i;  printf("請選擇：");  scanf("%d",&i);  switch(i)  {  case 1: Cryptogram();  break;  case 2: Ansert();  break;  case 3:exit(0);  default:  printf("選擇錯誤！");  }  system("pause");  system("cls");  }  }