C program to find smallest number in an Array
In this tutorial, we will discuss the concept of C program to find the smallest number in an Array
In this topic, we will discuss how to find smallest number in an Array using for loop in C language
This program gets “n” number of elements and Enter the elements of the array as input from the user. then, this program finds and displays the smallest elements from the array.
In this programs, we can see step by step procedure for completion of the program.
- Declare an array of fixed capacity
- Essential variable declaration
- Taking the size of the array as input from the user
- Taking the elements of the array as input from the user
- loop for find the smallest value
- Display result on the screen
This is a C code to find the smallest number in an array using for loop
Program 1
#include <stdio.h>
#include <stdlib.h>
int main()
{
int arr[30];//array declaration
int length,i, min; //essential variable declaration
printf("Enter the length of the array: ");
scanf("%d", &length);//get input from user for length
for(i=0; i<length; i++){
printf("Enter element %d: ",i+1);//enter elements for array
scanf("%d", &arr[i]);
}
min=arr[0];//assume first element as smallest number
for(i=0; i<length; i++){//iterate for loop from first index of array
if(min>arr[i]){
min=arr[i];
}
}
printf("\nSmallest elements is: %d",min);
getch();//display result on the screen
return 0;
}
When the above code is compiled and executed, it produces the following results
Enter the length of the array: 5 Enter element 1: 46 Enter element 2: 21 Enter element 3: 67 Enter element 4: 87 Enter element 5: 43 Smallest elements is: 21
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