Thursday 3 January 2019

C Program Solved


Program 1


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

Source Code

#include 
int main()
{
    int i, j, rows;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf(" ");
    }
    return 0;
}

Program 2


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

Source Code

#include 
int main()
{
    int i, j, rows;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf(" ");
    }
    return 0;
}

Program 3


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

Source Code

#include 
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(" ");
    }
    return 0;
}

Program 4


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

Source Code

#include 
int main()
{
    int i, j, rows;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf(" ");
    }
    
    return 0;
}

Program 5


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

Source Code

#include 
int main()
{
    int i, j, rows;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf(" ");
    }
 
    return 0;
}
 
Program 6
 
        *
      * * *
    * * * * *
  * * * * * * *
* * * * * * * * *

Source Code

#include 
int main()
{
    int i, space, rows, k=0;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=1; i<=rows; ++i, k=0)
    {
        for(space=1; space<=rows-i; ++space)
        {
            printf("  ");
        }
 
        while(k != 2*i-1)
        {
            printf("* ");
            ++k;
        }
 
        printf(" ");
    }
    
    return 0;
}

Program 7


        1
      2 3 2
    3 4 5 4 3
  4 5 6 7 6 5 4
5 6 7 8 9 8 7 6 5

Source Code

#include 
int main()
{
    int i, space, rows, k=0, count = 0, count1 = 0;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=1; i<=rows; ++i)
    {
        for(space=1; space <= rows-i; ++space)
        {
            printf("  ");
            ++count;
        }
 
        while(k != 2*i-1)
        {
            if (count <= rows-1)
            {
                printf("%d ", i+k);
                ++count;
            }
            else
            {
                ++count1;
                printf("%d ", (i+k-2*count1));
            }
            ++k;
        }
        count1 = count = k = 0;
 
        printf(" ");
    }
    return 0;
}

Program 8


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

Source Code

#include
int main()
{
    int rows, i, j, space;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=rows; i>=1; --i)
    {
        for(space=0; space < rows-i; ++space)
            printf("  ");
 
        for(j=i; j <= 2*i-1; ++j)
            printf("* ");
 
        for(j=0; j < i-1; ++j)
            printf("* ");
 
        printf(" ");
    }
 
    return 0;
}

Program 9


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

Source Code

#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("
");
    }
 
    return 0;
}

Program 10


1
2 3
4 5 6
7 8 9 10

Source Code

#include 
int main()
{
    int rows, i, j, number= 1;
 
    printf("Enter number of rows: ");
    scanf("%d",&rows);
 
    for(i=1; i <= rows; i++)
    {
        for(j=1; j <= i; ++j)
        {
            printf("%d ", number);
            ++number;
        }
 
        printf(" ");
    }
 
    return 0;
}


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