Programs

Program to receive nucleotide character sequence of 1st strand and print the sequence of the other strand

___________________________________by:Satyam Singh

#include<iostream.h>
#include<conio.h>
void main()
{ clrscr();
  char ch;
  cout<<"first strand:\n2nd strand:";
   for(int i=0,j=2;ch!='\0';++j,++i)
 { gotoxy(12+j,1);
   ch=getche();
   if(ch=='A')
   {  gotoxy(j+12,2); cout<<'T'; gotoxy (12+j),1);
   }
    else if(ch=='T')
   { gotoxy(j+12,2);
     cout<<'A';
     gotoxy(12+j,1);}
     else if(ch=='C')
   { gotoxy(j+12,2);
     cout<<'G';
     gotoxy(12+j,2);}
     else if(ch=='G')
   { gotoxy(j+12,2);
     cout<<'C';
     gotoxy(12+j,2);}
     else break;}
  getch();
} 

Program to split an array when limit is given by user

_________________________________by:Satyam singh

#include<iostream.h>
#include<conio.h>
void compare(int,int,int[]);//int[] used for array
void main()
{ clrscr();
  int lim,size;
  cout<<"\n Enter the limit: ";
  cin>>lim;
  cout<<"\n Enter required size of array: ";
  cin>>size;
  int *num= new int[size];//declaring an array & to give the size of array
  for(int i=0;i<size;++i)
  cin>>num[i];
  compare(lim,size,num);
  getch();
}
void compare(int b,int c,int a[])
{ int *sma=new int[c],*gre=new int[c];
  int y=0,z=0;
  for(int i=0;i<c;++i)
 { if(b>a[i])
   {sma[y]=a[i];++y;}
   else if(b<a[i])
   {gre[z]=a[i];++z; }
 }
 cout<<"\n Smaller: ";
 for(i=0;i<y;++i)
 cout<<sma[i]<<"\n";
 cout<<"\n Greater: ";
 for(i=0;i<z;++i)
 cout<<gre[i]<<"\n";
}

____________________________________________________________  

Program to find the cube of the individual digits of a number.

____________________________________by:Kunal Kumar

#include<iostream.h>

#include<conio.h>

void main()

{ 

   clrscr();

   int a,cube,sum=0,rem;

   cout<<"\nEnter the number: ";

   cin>>a;

   while(a>0)

     { rem=a%10;

       cube=a*a*a;

       sum+= cube;

       a/=10;

     }

   cout<<"\nThe cube sum of individual digits is: "<<sum;

   getch();

}

 

 Program to do operations on complex numbers

________________________________________by:Satyam Singh

#include<iostream.h>
#include<conio.h>
#include<math.h>
void main()
{ int ch;float zr1,zi1,zr2,zi2,zra,zia;
  do
  {
   clrscr();
   cout<<"\n\t\t\t Operations on Complex numbers\n 1.Addition \n 2.Substraction\
   \n 3.Multiplication \n 4.Division \n 5.Exit \n Enter Your Choice: ";
   cin>>ch;
   if(ch>4)
   break;
   cout<<"\n Enter the two numbers\n First Number=>\n 1.Real Part: ";
   cin>>zr1;
   cout<<"\n 2.Imaginary Part: ";
   cin>>zi1;
   cout<<"\n Second number=>\n 1.Real Part: ";
   cin>>zr2;
   cout<<"\n 2.Imaginary Part: ";
   cin>>zi2;
   switch(ch)
   { case 1:
     zra=zr1+zr2;
     zia=zi1+zi2;
     if(zia>0)
     cout<<"\n The sum is: "<<zra<<"+"<<zia<<"i";
     else
     cout<<"\n The sum is: "<<zra<<zia<<"i";
     break;
     case 2:
     zra=zr1-zr2;
     zia=zi1-zi2;
     if(zia>0)
     cout<<"\n The difference is: "<<zra<<"+"<<zia<<"i";
     else
     cout<<"\n The difference is: "<<zra<<zia<<"i";
     break;
     case 3:
     zra=((zr1*zr2)-(zi1*zi2));
     zia=((zr1*zi2)+(zi1*zr2));
     if(zia>0)
     cout<<"\n The product is: "<<zra<<"+"<<zia<<"i";
     else
     cout<<"\n The product is: "<<zra<<zia<<"i";
     break;
     case 4:
     zra=((zr1*zr2)-(zi1*(-zi2)))/(pow(zr2,2)+pow(zi2,2));
     zia=((zr1*(-zi2))+(zi1*zr2))/(pow(zr2,2)+pow(zi2,2));
     if(zia>0)
     cout<<"\n The division result is: "<<zra<<"+"<<zia<<"i";
     else
     cout<<"\n The division result is: "<<zra<<zia<<"i";
     break;
   }
   getch();
  }while(ch<5);
} 

 

 

Program to find the length of a given string. ____________________________________by:Kunal Kumar

#include<iostream.h>

#include<conio.h>

#include<stdio.h>

void main()

{ 

   clrscr();

   int i , char text[80];

   cout<<"\nEnter the string(max=80) :";

   gets(text);

   for( i=0 ; text[i]!='0' ; i++ )

   cout<<"\nThe length of the string is: " <<i ;

   getch();

}