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Sunday 15 February 2015

SWAPPING TWO NUMBERS IN A SINGLE STATEMENT

C program to swap two numbers in a single statement.



main()
{
int a=10,b=20;
c=(a+b)-(b=a);
printf("The numbers are :%d %d ",a,b);
getch();
}

Sunday 4 January 2015

NUMBER PATTERN_5

12345
2345
345
45
5







int main()
{
    int i, j;
    for(i=1;i<=5;i++)
    {
        for(j=i;j<=5;j++)
        {
            printf("%d",j);
        }
        printf("\n");
    }

    return 0;
}

NUMBER PATTERN_4

12345
1234
123
12
1






int main()
{
    int i, j;
    for(i=5;i>=1;i--)
    {
        for(j=1;j<=i;j++)
        {
            printf("%d",j);
        }
        printf("\n");
    }

    return 0;
}

NUMBER PATTERN_3


PERFECT SQUARE


1   2   3   4   5   6   7   8   9   10
36  37  38  39  40  41  42  43  44  11
35  64  65  66  67  68  69  70  45  12
34  63  84  85  86  87  88  71  46  13
33  62  83  96  97  98  89  72  47  14
32  61  82  95  100 99  90  73  48  15
31  60  81  94  93  92  91  74  49  16
30  59  80  79  78  77  76  75  50  17
29  58  57  56  55  54  53  52  51  18
28  27  26  25  24  23  22  21  20  19





int main()
{
    int a[10][10]={0},i,j,low=0,top=9,n=1;
    for(i=0;i<5;i++,low++,top--)
    {
        for(j=low;j<=top;j++,n++)
            a[i][j]=n;
        for(j=low+1;j<=top;j++,n++)
            a[j][top]=n;
        for(j=top-1;j>=low;j--,n++)
            a[top][j]=n;
        for(j=top-1;j>low;j--,n++)
            a[j][low]=n;
    }
    printf("\t\t\t\tPerfect Square\n");
    for(i=0;i<10;i++)
    {
        printf("\n\n\t");
        for(j=0;j<10;j++)
        {
            printf("%6d",a[i][j]);
            delay(300);
        }
    }
    return 0;
}

Wednesday 31 December 2014

NUMBER PATTER_2

        1
       232
      34543
     4567654
    567898765


main()
{
      int n, c, d, num = 1, space;
 
      scanf("%d",&n);
 
      space = n - 1;
 
      for ( d = 1 ; d <= n ; d++ )
      {
          num = d;
 
          for ( c = 1 ; c <= space ; c++ )
              printf(" ");
 
          space--;
 
          for ( c = 1 ; c <= d ; c++ )
          {
              printf("%d", num);
              num++;
          }
          num--;
          num--;
          for ( c = 1 ; c < d ; c++)
          {
              printf("%d", num);
              num--;
          }
          printf("\n");
 
      }
 
      return 0;
}

STAR AND ALPHABET PATTERN

main()

{ int n, c, k, space, count = 1; printf("Enter number of rows\n"); scanf("%d",&n); space = n; for ( c = 1 ; c <= n ; c++) { for( k = 1 ; k < space ; k++) printf(" "); for ( k = 1 ; k <= c ; k++) { printf("*"); if ( c > 1 && count < c) { printf("A"); count++; } } printf("\n"); space--; count = 1; } return 0; }

Saturday 15 November 2014

C PROGRAM TO REVERSE A STRING

String reverse using strrev function





main()
{
    char str[50];
    char *rev;
    printf("Enter any string : ");
    scanf("%s",str);
    rev = strrev(str);
   
    printf("Reverse string is : %s",rev);
   
    return 0;
}