C Exercises: Compute the sum of the numbers in a given array except those numbers starting with 5 followed by atleast one 6
C-programming basic algorithm: Exercise-53 with Solution
Write a C program to compute the sum of the numbers in a given array except those numbers starting with 5 followed by atleast one 6. Return 0 if the given array has no integer.
C Code:
#include <stdio.h>
#include <stdlib.h>
int main(void){
int array1[] = {1, 5, 6, 9, 10, 17};
int arr_size = sizeof(array1)/sizeof(array1[0]);
printf("Sum of values in the array of integers except those numbers starting with 5 followed by atleast one 6: ");
printf("%d",test(array1, arr_size));
}
int test(int nums[], int arr_size)
{
int sum = 0;
int inSection = 0;
for (int i = 0; i < arr_size; i++)
{
if (nums[i] == 5) inSection = 1;
else if (inSection && nums[i] == 6) inSection = 0;
else if (!inSection) sum += nums[i];
}
return sum;
}
Sample Output:
Sum of values in the array of integers except those numbers starting with 5 followed by atleast one 6: 37
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Previous: Write a C program to compute the sum of values in a given array of integers except the number 17. Return 0 if the given array has no integer.
Next: Write a C program to check if a given array of integers contains 5 next to a 5 somewhere.
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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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