khodaldham dhirubhai sairvaiya

Program to Print an Integer

Program to Print an Integer

#include <stdio.h>
int main()
{
    int number;

    // printf() dislpays the formatted output 
    printf("Enter an integer: ");  
    
    // scanf() reads the formatted input and stores them
    scanf("%d", &number);  
    
    // printf() displays the formatted output
    printf("You entered: %d", number);
    return 0;
}

Output
Enter a integer: 25 You entered: 25 In this program, an integer variable number is declared.
The printf() function displays Enter an integer: on the screen. Then, the scanf() function reads an integer data from the user and stores in variable number.
Finally, the value stored in the variable number is displayed on the screen using printf() function.

C "Hello, World!" Program

Program to Display "Hello, World!"

#include <stdio.h>
int main()
{
   // printf() displays the string inside quotation
   printf("Hello, World!");
   return 0;
}

Output
Hello, World! How "Hello, World!" program works?

• The #include <stdio.h> is a preprocessor command. This command tells compiler to include the contents of stdio.h (standard input and output) file in the program.
  The stdio.h file contains functions such as scanf() and print() to take input and display output respectively.
  If you use printf() function without writing #include <stdio.h>, the program will not be compiled.
• The execution of a C program starts from the main() function.
• The printf() is a library function to send formatted output to the screen. In this program, the printf() displays Hello, World! text on the screen.
• The return 0; statement is the "Exit status" of the program. In simple terms, program ends with this statement.

Khodaldham krishna sudama natak

Khodaldham krishna sudama natak

Khodaldham krishna sudama natak

Khodaldham krishna sudama natak

Khodaldham krishna sudama natak

khodaldham sathvaro radheshyam no

khodaldham kagvad

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kagvad shobhatra pahela no mahol

Print Floyd's Triangle.

1
2 3
4 5 6
7 8 9 10

#include <stdio.h>
int main()
{
    int rows, i, j, number= 1;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i <= rows; i++)
    {
        for(j=1; j <= i; ++j)
        {
            printf("%d ", number);
            ++number;
        }

        printf("\n");
    }

    return 0;
}

Print Pascal's triangle

           1
         1   1
       1   2   1
     1   3   3    1
   1  4    6   4   1
 1  5   10   10  5   1 

#include <stdio.h>
int main()
{
    int rows, coef = 1, space, i, j;

    printf("Enter number of rows: ");
    scanf("%d",&rows);

    for(i=0; i<rows; i++)
    {
        for(space=1; space <= rows-i; space++)
            printf("  ");

        for(j=0; j <= i; j++)
        {
            if (j==0 || i==0)
                coef = 1;
            else
                coef = coef*(i-j+1)/j;

            printf("%4d", coef);
        }
        printf("\n");
    }

    return 0;
}

Inverted half pyramid using numbers

1 2 3 4 5
1 2 3 4 
1 2 3
1 2
1

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf("\n");
    }

    return 0;
}

Inverted half pyramid using *

* * * * *
* * * *
* * * 
* *
*

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf("\n");
    }
    
    return 0;
} 

Program to print half pyramid using alphabets

A
B B
C C C
D D D D
E E E E E

#include <stdio.h>
int main()
{
    int i, j;
    char input, alphabet = 'A';

    printf("Enter the uppercase character you want to print in last row: ");
    scanf("%c",&input);

    for(i=1; i <= (input-'A'+1); ++i)
    {
        for(j=1;j<=i;++j)
        {
            printf("%c", alphabet);
        }
        ++alphabet;

        printf("\n");
    }
    return 0;
}

Program to print half pyramid a using numbers

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf("\n");
    }
    return 0;
}

Program to print half pyramid using *

*
* *
* * *
* * * *
* * * * *

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf("\n");
    }
    return 0;
}

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