Array Exercises
Write a C program to input elements in an array from user, find maximum and minimum element in array. C program to find biggest and smallest elements in an array. Logic to find maximum and minimum element in array in C programming.
Required knowledge
Basic C programming, If else, c-Arrays, C Loops
Logic to find maximum and minimum element in array
Below is the step by step descriptive logic to find maximum or minimum in array.
- Input size and element in array, store it in some variable say size and arr.
- Declare two variables max and min to store maximum and minimum. Assume first array element as maximum and minimum both, say max = arr[0] and min = arr[0].
- Iterate through array to find maximum and minimum element in array. Run loop from first to last array element i.e. 0 to size - 1. Loop structure should look like for(i=0; i<size; i++).
- Inside loop for each array element check for maximum and minimum. Assign current array element to max, if (arr[i] > max). Assign current array element to min if it is less than min i.e. perform min = arr[i] if (arr[i] < min).
Program to find maximum and minimum element in array
/** * C program to find maximum and minimum element in array */ #include <stdio.h> #define MAX_SIZE 100 // Maximum array size int main() { int arr[MAX_SIZE]; int i, max, min, size; /* Input size of the array */ printf("Enter size of the array: "); scanf("%d", &size); /* Input array elements */ printf("Enter elements in the array: "); for(i=0; i<size; i++) { scanf("%d", &arr[i]); } /* Assume first element as maximum and minimum */ max = arr[0]; min = arr[0]; /* * Find maximum and minimum in all array elements. */ for(i=1; i<size; i++) { /* If current element is greater than max */ if(arr[i] > max) { max = arr[i]; } /* If current element is smaller than min */ if(arr[i] < min) { min = arr[i]; } } /* Print maximum and minimum element */ printf("Maximum element = %d\n", max); printf("Minimum element = %d", min); return 0; }
Add a plus to your skills, learn this program using recursive approach.