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C Exercises: Check whether it is possible to add two integers to get the third integer from three given integers

C-programming basic algorithm: Exercise-23 with Solution

Write a C program to check whether it is possible to add two integers to get the third integer from three given integers.

C Code:

#include <stdio.h>
#include <stdlib.h>
int main(void){
    printf("%d",test(1, 2, 3));
    printf("\n%d",test(4, 5, 6));
    printf("\n%d",test(-1, 1, 0));
    }       
    int test(int x, int y, int z)
         {
           return x == y + z || y == x + z || z == x + y;
         }

Sample Output:

1
0
1

Pictorial Presentation:

C Programming Algorithm: Check whether it is possible to add two integers to get the third integer from three given  integers

Flowchart:

C Programming Algorithm Flowchart: Check whether it is possible to add two integers to get the third integer from three given  integers

C Programming Code Editor:

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Previous: Write a C program to compute the sum of the two given integers. If one of the given integer value is in the range 10..20 inclusive return 18.
Next: Write a C program to check whether y is greater than x, and z is greater than y from three given integers x,y,z.

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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