Print positions and values of elements in an array < 5

Last update on December 21 2024 10:32:42 (UTC/GMT +8 hours)

C Practice Exercise

Write a C program to read an array of length 5 and print the position and value of the array elements of value less than 5.

Pictorial Presentation:

Sample Solution:

C Code:

#include <stdio.h>
#define AL 5  // Define the size of the array as 5
#define MAX 5 // Define a maximum value for comparison

int main() {
    float N[AL]; // Declare an array of size 5 to hold floating-point numbers
    int i;
    
    // Prompt for user input
    printf("Input the 5 members of the array:\n");
    
    // Read and store user input into the array
    for(i = 0; i < AL; i++) {
        scanf("%f", &N[i]);
    }
    
    // Iterate through the array and print elements less than MAX
    for(i = 0; i < AL; i++) {
        if(N[i] < MAX) {
            printf("A[%d] = %.1f\n", i, N[i]);
        }
    }
    
    return 0;
}

Sample Output:

Input the 5 members of the array:                                      
15                                                                     
25                                                                     
4                                                                      
35                                                                     
40                                                                     
A[2] = 4.0 

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Next: Write a C program to read an array of length 6, change the first element by the last, the second element by the fifth and the third element by the fourth. Print the elements of the modified array.