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C Exercises: Check whether two or more non-negative given integers have the same rightmost digit

C-programming basic algorithm: Exercise-25 with Solution

Write a C program to check whether two or more non-negative given integers have the same rightmost digit.

C Code:

#include <stdio.h>
#include <stdlib.h>
int main(void){    
    printf("%d",test(11, 21, 31));
    printf("\n%d",test(11, 22, 31));
    printf("\n%d",test(11, 22, 33));
    }       
    int test(int x, int y, int z)
         {
           return x % 10 == y % 10 || x % 10 == z % 10 || y % 10 == z % 10;
         }

Sample Output:

1
1
0

Pictorial Presentation:

C Programming Algorithm: Check whether two or more non-negative given integers have the same rightmost digit

Flowchart:

C Programming Algorithm Flowchart: Check whether two or more non-negative given integers have the same rightmost digit

C Programming Code Editor:

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Previous: Write a C program to check if 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

Why doesn't a+++++b work?

printf("%d",a+++++b); is interpreted as (a++)++ + b according to the Maximal Munch Rule!.

++ (postfix) doesn't evaluate to an lvalue but it requires its operand to be an lvalue.

! 6.4/4 says the next preprocessing token is the longest sequence of characters that could constitute a preprocessing token"

Ref : https://bit.ly/3fdldUT