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C Programming Exercises

C Exercises: Check a given array of integers and return true if the array contains three increasing adjacent numbers

C-programming basic algorithm: Exercise-67 with Solution

Write a C program to check a given array of integers and return true if the array contains three increasing adjacent numbers.

C Code:

#include <stdio.h>
#include <stdlib.h>
int main(void){
    int arr_size;
    int array1[] = {1, 2, 3, 5, 3, 7};
    arr_size = sizeof(array1)/sizeof(array1[0]);
    printf("%d",test(array1, arr_size));
    int array2[] = {3, 7, 5, 5, 3, 7 };
    arr_size = sizeof(array2)/sizeof(array2[0]);
    printf("\n%d",test(array2, arr_size));
    int array3[] = { 3, 7, 5, 5, 6, 7, 5};
    arr_size = sizeof(array3)/sizeof(array3[0]);
    printf("\n%d",test(array3, arr_size));
  }
    
  int test(int numbers[], int arr_size)
         {
           for (int i = 0; i <= arr_size - 3; i++)
            {
                if (numbers[i] == numbers[i + 1] - 1
                    && numbers[i] == numbers[i + 2] - 2)
                {
                    return 1;
                }
            }
            return 0;
         } 

Sample Output:

1
0
1

Pictorial Presentation:

C Programming Algorithm: Check a given array of integers and return true if the array contains three increasing adjacent numbers

Flowchart:

C Programming Algorithm Flowchart: Check a given array of integers and return true if the array contains three increasing adjacent numbers

Solution

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