one dimensional array in c
One Dimensional Array
Array
Group of consecutive memory locations
A block of many variables of the same type, Same name
can be declared for any type
Examples
list of students’ marks
series of numbers entered by user
Vectors
matrices
To refer to an element, specify
Array name
Position number
Format
arrayname[ position number ]
First element at position 0
n element array named c:
c[ 0 ], c[ 1 ]...c[ n – 1 ]
Array Example: Taking input From the user and showing Output.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #include <stdio.h> int main() { int numbers[5],i; printf("Enter 5 integers:\n"); // taking input from user for(i = 0; i < 5; ++i) { scanf("%d", &numbers[i]); } printf("Display all numbers:\n"); // printing all numbers for(i = 0; i < 5; ++i) { printf("%d\n", numbers[i]); } return 0; } |
Enter 5 integers: 10 21 45 55 45 Display all numbers: 10 21 45 55 45
Change value
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #include <stdio.h> int main() { int values[5] ={10,4,-5,8,3}; int i; printf("Before changing value:\n"); for(i = 0; i < 5; ++i) { printf("%d\n", values[i]); } values[2] = 100; //Change Value of Array elements printf("After changing value:\n"); for(i = 0; i < 5; ++i) { printf("%d\n", values[i]); } return 0; } |
Output
Before changing value: 10 4 -5 8 3 After changing value: 10 4 100 8 3
