C Exercises: Check a given array of integers and return true if the given array contains either 2 even or 2 odd values all next to each other
C-programming basic algorithm: Exercise-63 with Solution
Write a C program to check a given array of integers and return true if the given array contains either 2 even or 2 odd values all next to each other.
C Code:
#include <stdio.h>
#include <stdlib.h>
int main(void){
int arr_size;
int array1[] = {1, 2, 3, 4 };
arr_size = sizeof(array1)/sizeof(array1[0]);
printf("%d",test(array1, arr_size));
int array2[] = {3, 3, 5, 5, 5, 5};
arr_size = sizeof(array2)/sizeof(array2[0]);
printf("\n%d",test(array2, arr_size));
int array3[] = {2, 5, 5, 7, 8, 10};
arr_size = sizeof(array3)/sizeof(array3[0]);
printf("\n%d",test(array3, arr_size));
}
int test(int numbers[], int arr_size)
{
int tot_odd = 0, tot_even = 0;
for (int i = 0; i < arr_size; i++)
{
if (tot_odd < 2 && tot_even < 2)
{
if (numbers[i] % 2 == 0)
{
tot_even++;
tot_odd = 0;
}
else
{
tot_odd++;
tot_even = 0;
}
}
}
return tot_odd == 2 || tot_even == 2;
}
Sample Output:
0 1 1
Pictorial Presentation:
Flowchart:
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Previous: Write a C program to check a given array of integers and return true if there is a 3 with a 5 somewhere later in the given array.
Next: Write a C program to check a given array of integers and return true if the value 5 appears 5 times and there are no 5 next to each other.
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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