array unit 1 and strings Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored as a character array. Common string functions include strlen(), strcpy(), strcat(), and strcmp() from <string.h>. Arrays store numbers or characters, while strings specifically handle text data using character arrays. Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored as a character array. Common string functions include strlen(), strcpy(), strcat(), and strcmp() from <string.h>. Arrays store numbers or characters, while strings specifically handle text data using character arrays. Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored as a character array. Common string functions include strlen(), strcpy(), strcat(), and strcmp() from <string.h>. Arrays store numbers or characters, while strings specifically handle text data using character arrays.Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored as a character array. Common string functions include strlen(), strcpy(), strcat(), and strcmp() from <string.h>. Arrays store numbers or characters, while strings specifically handle text data using character arrays. Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored as a character array. Common string functions include strlen(), strcpy(), strcat(), and strcmp() from <string.h>. Arrays store numbers or characters, while strings specifically handle text data using character arrays.Array: A collection of similar data elements stored in consecutive memory locations. Arrays can be one-dimensional (1D) or multi-dimensional (2D/3D) and support operations like traversal, insertion, deletion, searching, and sorting. String: A sequence of characters ending with a null character (\0), stored

1. ARRAY

4. ARRAY

15. Ascending order

17. a11 a12 a13 a14 a15 a16 a17
a21 a22 a23 a24 a25 a26 a27
a31 a32 a33
a41 a42

44. Strings

45. Declaring and initializing of string variables

52. puts function

53. String handling function
• The Library function in the header file string.h
are Used to carry out string manipulations.
strlen()
this function is used to find out number of
character in the given string ie lenth of string .the
syntax is

57. strcat()

58. Example- strcat()

59. Example- strcat()

62. Input “lion” “tiger”
Output second string is greater than the first

64. Example- strrev()

66. Program to copy a string into another
without string function
#include<stdio.h>
main()
{
char s1[10],s2[10];
Int i=0;
printf(“enter the string to be copiedn”);
scanf(“%s”,s1);
while(s1[i]!=‘0’)
{
s2[i]=s1[i];
i++;
}
s2[++i]=‘0’;
puts(s2);
}

67. Program to reverse a string without string
function
#include<stdio.h>
main()
{
char s1[10],s2[10];
int L=0;
printf(“enter the string to be reversedn”);
scanf(“%s”,s1);
while(s1(L) != ‘0’)
L++;
j=L;
for(i=0;i<L;i++)
{
j--;
s2[j]=s1[i];
}
s2[L]=‘0’;
puts(s2);
}

68. Program to concatenate two string without
string function
#include<stdio.h>
main()
{
char s1[10],s2[10];
int L,I,j;
printf(“enter two strings to be concatenatedn”);
scanf(“%s%s”,s1,s2);
while(s1(L) != ‘0’)
L++;
i=L;
i=0;
while(s2[i]!=‘0’)
{
s1[j]=s2[i];
j++;
i++;
}
s1[++j]=‘0’;
puts(s2);
}