Noob question for transportation exercise c++

Question

the exercise says my oupout should be 24 but I run the program it says that my output should be 38. Please Help me understand my mistake
https://code.sololearn.com/c0i0UDVNKVld/?ref=app

Answer 1

A͢J
The input isn't 126?
do I have to put cin a

Answer 2

A͢J
Thanks

Answer 3

Marvin Guedj

input 126 was just in example but there are multiple test cases so input might be different for each case.

Answer 4

@ understood thanks

Answer 5

Your code works right,
Based on your input your output will be different.

Answer 6

Marvin Guedj

You have to take input and store in variable 'a'

Answer 7

Marvin Guedj

Yes

cin << a;

Answer 8

A͢J can you explain why I need to use user input cin and can't just define the variable and what are the differences

Answer 9

Hallo