PROGRAM TO FIND THE POSSIBLE PRIME FACTORS OF THE ENTERED NUMBER

/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int num,i,j=2,k;
    cout<<"enter the nubmer\n";
    cin>>num;
    cout<<"the result is \n";
    while(num>1)
    {
        if(num==0||num==1)
            cout<<"\nno possible prime factors for the entered number\n";
        else
        {
            if(num%j==0)
            {
                cout<<j<<"\n";
                num=num/j;
            }
            else
                j++;
        }
    }
}

PROGRAM TO PRINT THE SERIES OR THE PRIME NUMBERS

/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int terms,i,j=2,k,num;
    cout<<"\nenter the number till which you want the prime numbers\n";
    cin>>terms;
    for(num=2;num<terms;num++)
    {
        j=2;
        while(num>1)
        {
            if(num%j==0)
                break;
            else
                j++;
        }
        if(j==num)
            cout<<num<<" ";
    }
    return 0;
}

PROGRAM TO FIND THE GREATEST NUMBER AMONG THREE

//PROGRAM TO FIND THE GREATEST NUMBER AMONG THREE
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int a,b,c;
    float k;
    cout<<"enter the marks of english\n";
    cin>>a;
    cout<<"enter the marks of hindi\n";
    cin>>b;
    cout<<"enter the value of maths\n";
    cin>>c;
    if(c>b)
    {
        if(c>a)
        cout<<"student score highest in maths\n";
    }
    else
        if(b>a)
            cout<<"student score highest in hindi\n";
        else
            cout<<"student score highest in english\n";
    k=(a+b+c)/3             ;
    cout<<"the % scored is\t\n "<<k;
    return 0;
}

PROGRAM OF TEMPERATURE CONVERSION

//PROGRAM OF TEMPERATURE CONVERSION
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    float c,f;
    cout<<" enter the temperature in farhenhiet:\t";
    cin>>f;
    c=(5*(f-32))/9;
    cout.precision(3);
    cout<<" the temprature in celcius is:\t"<<c;
    return 0;
}

PROGRAM OF EVEN/ODD

//PROGRAM OF EVEN/ODD
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int n;
    cout<<"enter the value of n\n";
    cin>>n;
    if(n%2==0)
    cout<<"n is even no.";
    else
    cout<<"n is odd no.";
    return 0;
}

SIMPLE PROGRAM TO ADD TWO NUMBERS

//SIMPLE PROGRAM TO ADD TWO NUMBERS
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int a,b,c;
    cout<<"enter the value of a=";
    cin>>a;
    cout<<"enter the value of b=";
    cin>>b;
    c=a+b;
    cout<<"the sum is="<<c;
    return 0;
}

PROGRAM TO MULTIPLY TWO NUMBERS

//PROGRAM TO MULTIPLY TWO NUMBERS
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int a,b,c;
    cout<<"emter the value of a\n";
    cin>>a;
    cout<<"enter the value of b\n";
    cin>>b;
    c=a*b;
    cout<<"the product of two noumbers is\n"<<c;
    return 0;
}

PROGRAM TO FIND GREATER NUMBER AMONG TWO

//PROGRAM TO FIND GREATER NUMBER AMONG TWO
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int a,b;
    cout<<"enter the value of a\n";
    cin>>a;
    cout<<"enter the value of b\n";
    cin>>b;
    if(a>b)
    cout<<a<<"is greater than"<<b;
    else
    cout<<b<<"is greater than"<<a;
    return 0;
}

PROGRAM TO PRINT THE TABLE

//PROGRAM TO PRINT THE TABLE
#include<iostream>
using namespace std;
int main()
{
    int n,i,result;
    cout<<"please enter the required no. whose table is required\n";
    cin>>n;
    i=1;
    while(i<=10)
    {
        result=i*n;
        cout<<n<<"*"<<i<<"="<<result;
        i++;
        cout<<endl;
    }
    return 0;
}

PROGRAM TO PRINT A PATTERN

//PROGRAM TO PRINT A PATTERN
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{

    int n,i,j,k;
    cout<<"enter the no. of lines\n";
    cin>>n;
    i=1;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<k;
        cout<<endl;
    }
    return 0;
}

PROGRAM TO PRINT THE COMPLETE PYRAMID

//PROGRAM TO PRINT THE COMPLETE PYRAMID
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,k,n,p;
    cout<<"enter the odd no. of lines\n";
    cin>>p;
    n=(p/2)+1;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<"*";
        cout<<endl;
    }
    for(i=n;i>=1;i--)
    {
        for(j=n;j>=i;j--)
            cout<<" ";
        for(k=1;k<=2*i-3;k++)
            cout<<"*";
        cout<<endl;
    }
    return 0;
 }

//PROGRAM TO PRINT THE COMPLETE PYRAMID
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,k,n,p;
    cout<<"enter the odd no. of lines\n";
    cin>>p;
    n=(p/2)+1;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<"*";
        cout<<endl;
    }
    for(i=n;i>=1;i--)
    {
        for(j=n;j>=i;j--)
            cout<<" ";
        for(k=1;k<=2*i-3;k++)
            cout<<"*";
        cout<<endl;
    }
    return 0;
 }

PROGRAM TO PRINT THE HALF PYRAMID

//PROGRAM TO PRINT THE HALF PYRAMID
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,k,n;
    cout<<"enter the no of lines\n";
    cin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<"*";
        cout<<endl;
    }
    return 0;
}

PROGRAM TO PRINT THE PATTERN

//PROGRAM TO PRINT THE PATTERN
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int n,i,j,k;
    cout<<"enter the no. of lines betwwn 1-5 \n";
    cin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<k;
        cout<<endl;
    }
    for(i=1;i<n;i++)
    {
        for(j=1;j<=i;j++)
            cout<<" ";
        for(k=1;k<2*n-2*i;k++)
            cout<<endl;
    }
    return 0;
}

PROGRAM TO PRINT THE DOUBLE PYRAMID

//PROGRAM TO PRINT THE DOUBLE PYRAMID
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,k,l,n;
    cout<<"entr the no of lines";
    cin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<"*";
        for(l=1;l<=2*n-2*i;l++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
            cout<<"*";
        cout<<endl;
    }
    return 0;
}

PROGRAM TO REVERSE THE ENTERED NUMBER

//PROGRAM TO REVERSE THE ENTERED NUMBER
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int n,r;
    cout<<"enter the number\n";
    cin>>n;
    while(n>0)
    {
        r=n%10;
        cout<<r;
        n=n/10;
    }
    return 0;
}

PROGRAM TO FIND WEATHER THE NUMBER IS PRIME NUMBER OR NOT

//PROGRAM TO FIND WEATHER THE NUMBER IS PRIME NUMBER OR NOT
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int n,i;
    cout<<"enter the number\n";
    cin>>n;
    for(i=2;i<n;i++)
    {
        if(n%i==0)
            break;
    }
    if(i==n)
        cout<<"\nthe number is prime";
    else
    cout<<"\n number is not prime";
    return 0;
}

PROGRAM TO ADD TWO IMPUT MATRICES

//PROGRAM TO ADD TWO IMPUT MATRICES
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int arr[3][3],a[3][3];
    int i,j;
    cout<<"Enter the values for array: \n";
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
            cin>>arr[i][j];
    }
    cout<<"Enter the values for 2nd array: \n";
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
            cin>>a[i][j];
    }
    cout<<"Matrix Form: 1"<<endl;
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
            cout<<arr[i][j]<<"  ";
            cout<<endl;
    }
    cout<<"\nMatrix Form: 2"<<endl;
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
            cout<<a[i][j]<<"  ";
            cout<<endl;
    }
    cout<<"\nSUM"<<endl;
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
            cout<<arr[i][j]+a[i][j]<<"  ";
            cout<<endl;
    }
    return 0;
}

PROGRAM TO FIND THE TRANSPOSE OF THE ENTERED MATRIX

//PROGRAM TO FIND THE TRANSPOSE OF THE ENTERED MATRIX
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,a[10][10],order;
    cout<<"enter the order of the matrix\n";
    cin>>order;
    cout<<" please enter the value of all elements of the matrix\n";
    for(i=0;i<order;i++)
    {
        for(j=0;j<order;j++)
        cin>>a[i][j];
    }
    cout<<" \nHERE IS YOUR ENTERED MATRIX\n";
    for(i=0;i<order;i++)
    {
        for(j=0;j<order;j++)
            cout<<a[i][j]<<"  ";
        cout<<endl;
    }
    cout<<"HERE IS THE TRANSPOSE OF THE ABOVE ENTERED MATRIX\n";
    for(j=0;j<order;j++)
    {
        for(i=0;i<order;i++)
            cout<<a[i][j]<<"  ";
        cout<<endl;
    }
    return 0;
}

PROGRAM TO COVERT THE DECIMAL NUMVER INTO THE BINARY NUMBER

//PROGRAM TO COVERT THE DECIMAL NUMVER INTO THE BINARY NUMBER
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,n,a[4];
    cout<<" please enter the decimal number to convert into binary form\n";
    cin>>n;
    for(i=0;i<5;i++)
    {
        if(n==1)
        {
            a[4]=1;
            break;
        }
        else
        {
            a[i]=n%2;
            n=n/2;
        }
    }
    for(i=4;i>=0;i--)
        cout<<a[i]<<" ";
    return 0;
}

PROGRAM TO FIND SUMMATION OF THE SERIES

//PROGRAM TO FIND SUMMATION OF THE SERIES
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
    int i,k,n;
    float s=0;
    cout<<"\n PRESS THE KEY FOR DESIRED SUMMATION\n";
    cout<<"\n PRESS 1 FOR 1+4+9+........n*n\n";
    cout<<"\n PRESS 2 FOR 1+8+27+.......n*n*n\n";
    cout<<"\n PRESS 3 FOR sqrt(1)+sqrt(2)+....sqrt(n)\n";
    cin>>n;
    switch(n)
    {
        case 1:
            cout<<"\n ENTER THE NUMBER OF TERMS IN THE SERIES\n";
            cin>>k;
            for(i=1;i<=k;i++)
                s=s+i*i;
            cout<<"\n THE VALUE OF THE SUMMATION IS\t"<<s;
            break;
        case 2:
            cout<<"\n ENTER THE NUMBER OF TERMS IN THE SERIES\n";
            cin>>k;
            for(i=1;i<=k;i++)
                s=s+i*i*i;
            cout<<"\n THE VALUE OF THE SUMMATION IS\t"<<s;
            break;
        case 3:
            cout<<"\n ENTER THE NUMBER OF TERMS IN THE SERIES\n";
            cin>>k;
            for(i=1;i<=k;i++)
                s=s+sqrt(i);
                cout.precision(3);
            cout<<"\n THE VALUE OF THE SUMMATION IS\t"<<s;
            break;
    }
    return 0;
}

PROGRAM TO IMPLEMENT GOTO

// PROGRAM TO IMPLEMENT GOTO
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    char y, n;
    XYZ :
        cout<<"\n KRISHNA AGARWAL\n";
    cout<<"\n PEASE PREES Y TO PRINT AGAIN AND PRESS ANY OTHER KEY TO EXIT\n";
    cin>>n;
    if(n=='y'||n=='Y')
        goto XYZ;
    return 0;
}

PROGRAM TO SORT AN ARRAY IN ASCENDING ORDER USING BUBBLE SORTING

//PROGRAM TO SORT AN ARRAY IN ASCENDING ORDER USING BUBBLE SORTING
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int a[20],temp,i,n,j;
    char ch;
    XYZ:
    cout<<"\n PLEASE ENTER THE NUMBER OR ELEMENTS TO BE SORTED\n";
    cin>>n;
    cout<<"\n PLEASE ENTER THE ELEMENTS\n";
    for(i=0;i<n;i++)
        cin>>a[i];
    for(i=0;i<n;i++)
        for(j=i+1;j<n;j++)
            if(a[i]>a[j])
            {
                temp=a[i];
                a[i]=a[j];
                a[j]=temp;
            }
    cout<<"\n HERE ARE THE ELEMENTS IN THE ACENDING FORM\n";
    for(i=0;i<n;i++)
    cout<<a[i]<<" ";
    cout<<"\n PLEASE PRESS Y TO CONTINUE \n";
    cout<<" PLEASE PRESS X TO EXIT\n";
    cin>>ch;
    if(ch=='y')
    goto XYZ;
    return 0;
}

PROGRAM TO PRINT THE BLANK RECTANGLE

//PROGRAM TO PRINT THE BLANK RECTANGLE
/*MADE BT KRISHNA AGARAWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,n,j;
    cout<<"\nenter the number of lines\n";
    cin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=2*n;j++)
        {
            if(i==1||i==n||j==1||j==2*n)
                cout<<"*";
            else
                cout<<" ";
        }
        cout<<endl;
    }
    return 0;
}

PROGRAM TO IMPLEMEMT SWITCH STATEMENT

//PROGRAM TO IMPLEMEMT SWITCH STATEMENT
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
    int a,c,n;
    float l,b,d,p,area_square,area_rect,area_triangle,s;
    cout<<"PRESS 1 FOR AREA OF RECTANGLE\n"<<"PRESS 2 FOR AREA OF TRIANGLE\n"<<"PRESS 3 FOR AREA OF SQUARE\n";
    cin>>n;
    switch(n)
    {
        case 1:
            cout<<"ENTER THE LENGTH AND BREADTH OF THE RECTANGLE\n";
            cin>>l>>b;
            area_rect=l*b;
            cout<<"THE AREA OF THE RECTANGLE IS \n"<<area_rect;
            break;
        case 2:
            cout<<"ENTER THE THREE SIDES OF TRIANGLE : \n";
            cin>>a>>b>>c;
            s=(a+b+c)/2;
            p=s*(s-a)*(s-b)*(s-c);
            area_triangle=sqrt(p);
            cout<<"THE AREA OF THE TRAINGLE IS : \n"<<area_triangle;
            break;
        case 3:
            cout<<"ENTER THE SIDE OF A SQUARE\n";
            cin>>d;
            area_square=d*d;
            cout<<"THE AREA OF THE SQUARE IS : \n"<<area_square;
            break;
    }
    return 0;
}

PROGRAM TO PRINT THE BLANK PYRAMID

//PROGRAM TO PRINT THE BLANK PYRAMID
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int i,j,k,n,p;
    cout<<"\nenter the number of rows\n";
    cin>>n;
    for(i=1;i<n;i++)
    {
        for(j=1;j<=n-i;j++)
            cout<<" ";
        for(k=1;k<=2*i-1;k++)
        {
            if(k==1||k==2*i-1)
                cout<<"*";
            else
                cout<<" ";
            if(k==2*(n-1)-1)
            {
                cout<<endl;
                for(i=1;i<=n;i++)
                    cout<<"* ";
            }
        }
        cout<<endl;
    }
    return 0;
}

PROGRAM OF EVEN/ODD

//PROGRAM OF EVEN/ODD
/*MADE BY KRISHNA AGARWAL*/
#include<iostream>
using namespace std;
int main()
{
    int n;
    cout<<"enter the value of n\n";
    cin>>n;
    if(n%2==0)
    cout<<"n is even no.";
    else
    cout<<"n is odd no.";
    return 0;
}

DIGITAL WATCH PROGRAM

//DIGITAL WATCH PROGRAM
/*MADE BY KRISHNA AGARWAL*/
#include<stdio.h>
#include<conio.h>
#include<dos.h>
void main()
{
    clrscr();
    int h,m,s;
    for(h=0;h<=23;h++)
    {
        for(m=0;m<=59;m++)
        {
            for(s=0;s<=59;s++)
            {
                gotoxy(30,15);
                printf("%2d:%2d:%2d",h,m,s);
                delay(1000);
            }
        }
    }
    getch();
}

PROGRAM TO CONVERT THE ENTERED AMOUNT FROM NUMBER TO WORDS

//PROGRAM TO CONVERT THE ENTERED AMOUNT FROM NUMBER TO WORDS
/*MADE BY KRISHNA AGARWAL*/
#include<iostream.h>
#include<conio.h>
#include<string.h>
void disp1(int n)
{
 switch(n)
 {
    case(1):cout<<"  one";break;
    case(2):cout<<"  two";break;
    case(3):cout<<"  three";break;
    case(4):cout<<"  four";break;
    case(5):cout<<"  five";break;
    case(6):cout<<"  six";break;
    case(7):cout<<"  seven";break;
    case(8):cout<<"  eight";break;
    case(9):cout<<"  nine";break;
    default:cout<<"  incorrect option";break;
 }
}
void disp2(int n)
{
 switch(n)
 {
    case(2):cout<<"  twenty";break;
    case(3):cout<<"  thirty";break;
    case(4):cout<<"  fourty";break;
    case(5):cout<<"  fifty";break;
    case(6):cout<<"  sixty";break;
    case(7):cout<<"  seventy";break;
    case(8):cout<<"  eighty";break;
    case(9):cout<<"  ninty"; break;
    default:cout<<"  wrong value";break;
 }
}
void disp3(int n)
{
 switch(n)
 {
    case(1):cout<<"  eleven";break;
    case(2):cout<<"  twelve";break;
    case(3):cout<<"  thirteen";break;
    case(4):cout<<"  fourteen";break;
    case(5):cout<<"  fifteen";break;
    case(6):cout<<"  sixteen"; break;
    case(7):cout<<"  seventeen"; break;
    case(8):cout<<"  eighteen";break;
    case(9):cout<<"  ninteen"; break;
 }
}
void main()
{
    clrscr();
    int n,a,p=0,i,j,k;
    cout<<"Emter a no b/w 0-1000-\n";
    cin>>a;
    n=a;
    for(k=0;n!=0;k++)
    {
        n=n/10;
        p++;
    }
    if(p==1||p==3)
    {
        if(p==1)
        disp1(a);
        else
            if(p==3)
            {
                i=a%10;
                a=a/10;
                j=a%10;
                a=a/10;
                disp1(a);
                cout<<"  hundered";
                if(j!=1&&j!=0)
                {
                    disp2(j);
                    disp1(i);
                }
                else
                {
                    if(j==1)
                        disp3(i);
                    else
                    {
                        if(j==0)
                            disp1(i);
                        else
                            cout<<"wrong entery";
                    }
                }
            }
    }
    else
    {
         if(p==2)
        {
            i=a%10;
            a=a/10;
            if(a==1)
            disp3(i);
            else
            {
                disp2(a);
                disp1(i);
            }
        }
        else
            cout<<"incorect value";
    }
    getch();
}