يافتن بزرگترين و كوچكترين با استفاده از كد اسكي

[ميثم طاهري]

#include<stdio.h>

#include<conio.h>

#include<math.h>

#include<string.h>

#include<stdlib.h>

//---------------------------------------------------------------------------

int ToDec(int [5][8],int col,int len);

void code(void);

void decode(void);

void margin(void);

char menu(void);

int main()

{

 char choose_main;

 textmode(C80);

     for(;;){

 textbackground(8);

 _setcursortype(_NOCURSOR);

 choose_main=menu();

 switch(choose_main){

    case 'c':

    case 'C':

       code();

       break;

    case 'd':

    case 'D':

       decode();

       break;

    case 'e':

    case 'E':

       exit (0);

 }

 }

}

void margin(void){

     int i;

     clrscr();

     textmode(C80);

     textcolor(7);

     highvideo();

     cprintf("\xB2");

     for(i=1;i<25;i++){

  gotoxy(1,i);

  cprintf("\xB2\xB2");

  gotoxy(79,i);

  cprintf("\xB2\xB2");

  }

     gotoxy(1,1);

     insline();

     for(i=0;i<80;i++)cprintf("\xB2");

     gotoxy(1,25);

     for(i=0;i<79;i++)cprintf("\xB2");

     }

char menu(void){

     char choose;

     textmode(C80);

     clrscr();

     margin();

     gotoxy(12,6);

     textcolor(2);

     highvideo();

     cprintf("MAIN MENU");

     gotoxy(9,7);

     cprintf("...............");

     gotoxy(9,9);

     textcolor(2);

     highvideo();

     cprintf("Code");

     gotoxy(9,9);

     textcolor(3);

     highvideo();

     cprintf("C");

     gotoxy(9,10);

     textcolor(2);

     highvideo();

     cprintf("Decode");

     gotoxy(9,10);

     textcolor(3);

     highvideo();

     cprintf("D");

     textcolor(2);

     gotoxy(9,11);

     highvideo();

     cprintf("Exit");

     gotoxy(9,11);

     textcolor(3);

     highvideo();

     cprintf("E");

     while(1){

  choose=getch();

  if(choose=='c'||choose=='C'||choose=='D'||choose==  'd'||choose=='e'||choose=='E')

     break;

  }

     return choose;

     }

void code(){

int i=0,idx=0,jdx=0,de=0,lens=0,lop=0,decs[8][8]={0},codes[8][8]={0};

  char s[8]={0},max=0,min=0;

  clrscr();

  textmode(C80);

  margin();

  _setcursortype(_NORMALCURSOR);

  gotoxy(6,5);

  printf("Enter a string:");

  gets(s);

  lens=strlen(s);

  strupr(s);

  min=max=s[0];

  for(idx=0;idx<lens;idx++)

  {

      if(s[idx]<min)

 min=s[idx];

      if(s[idx]>max)

 max=s[idx];

  }

  //printf("max=%c,min=%c",max,min);

  de=((max-min)+1);

  //printf("      (max-min)+1=%d",de);

  for(lop=0;lop<=5;lop++){

    i=pow(2,lop);

    if(pow(2,lop)>de)

      break;

    }

  //printf("      differ=%d\n",lop);

  int iDec=0;

  for(idx=0;idx<lens;idx++)

  {

    iDec=int(s[idx])-int(min);

    for(jdx=(lop-1);jdx>=0;jdx--,iDec>>=1)

      decs[idx][jdx]=iDec%2;

  }

  for (idx=0; idx<lens; idx++)

    for (jdx=0; jdx<lop; jdx++)

      codes[jdx][idx]=decs[idx][jdx];

  //printf("\n\nHorizontals[");

  /*for (idx=0; idx<lens; idx++)

  {

    for (jdx=0; jdx<lop; jdx++)

      printf("%d", (decs[idx][jdx]));

    if(idx!=lens-1) printf(",");

  } */

  //printf("]");

  //printf("\nVerticals[");

  //for (idx=(lop-1); idx>=0; idx--) // code meisam

  /*for (idx=0;idx<lop;idx++) // code MH

  {

    for (jdx=0; jdx<lens; jdx++)

      printf("%d",codes[idx][jdx]);

      if(idx!=lop-1)

     printf(",");

  }

  printf("]\n");*/

  gotoxy(6,7);

    printf("Coded String : ");

  for (idx=0/*(lop-1)*/;idx<lop/*>=0*/;idx++)

  {

    // printf("\n%c",ToDec(codes,idx,lens)+32);// code meisam

    //code MH

    //int b=0,i;

    int b=0;

    for(i=(lens-1);i>=0;i--){

 b+=codes[idx][i]*pow(2,(lens-1)-i);

    }

    gotoxy(21+idx,7);

    printf("%c",b+33);

  }

  getch();

}

void decode(){

  int i=0,idx=0,jdx=0,lens=0,lop=0,decs[8][8]={0},codes[8][8]={0};

  char s[8]={0},min=0;

  clrscr();

  textmode(C80);

  margin();

  _setcursortype(_NORMALCURSOR);

  gotoxy(6,5);

  printf("Enter the coded String: ");

  gotoxy(30,5);

  gets(s);

  gotoxy(6,7);

  printf("Enter the Minimum character of Main String: ");

  gotoxy(50,7);

  min = getchar();

  gotoxy(6,9);

  printf("Enter the length of the Main String: ");

  gotoxy(43,9);

  scanf("%d",&lop);

  lens=strlen(s);

  int iDec=0;

  //*************

  //baraye taEn kardane meghdar lop

  //*************

    for(idx=0;idx<8;idx++)

       for(jdx=0;jdx<8;jdx++)

   decs[idx][jdx]=0;

    for(idx=0;idx<lens;idx++)

    {

       iDec=int(s[idx])-33;

       for(jdx=lop-1;jdx>=0;jdx--,iDec>>=1){

   decs[idx][jdx]=iDec%2;

   }

    }

    for (idx=0; idx<lens; idx++)

 for (jdx=0; jdx<lop; jdx++)

    codes[jdx][idx]=decs[idx][jdx];

   gotoxy(6,13);

   printf("The main String is : ");

      for (idx=0/*(lop-1)*/;idx<lop/*>=0*/;idx++)

      {

    // printf("\n%c",ToDec(codes,idx,lens)+32);// code meisam

    //code MH

    //int b=0,i;

    int b=0;

    for(i=(lens-1);i>=0;i--){

 b+=codes[idx][i]*pow(2,(lens-1)-i);

    }

    gotoxy(29+idx,13);

    printf("%c",b+min);

  }

  getch();

}