Why the result is 44 ?

Question

1.00/5 (2 votes)

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I don't undersand why the result is 44 ?

What I have tried:

Objective-C

#include <stdio.h>

int main(){
unsign char a,b,c;
a=100;
b=200;
c=a+b;
printf("%d", c);

}

Posted 18-Apr-16 7:26am

Laurentiu Bobora

Updated 18-Apr-16 7:29am

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Sergey Alexandrovich Kryukov 18-Apr-16 13:49pm

42. :-)
—SA

Philippe Mori 18-Apr-16 20:44pm

Stuff you should have learn at school...

1 solution

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Thomas Daniels · Accepted Answer · 2016-04-18T07:29:00

Solution 1

A char holds an ASCII character code, from 0 to 256 (1 byte). Adding up 100 and 200 results in 300, which is too big for one byte, so it overflows and will store 300 % 256 = 44 in c.

Posted 18-Apr-16 7:29am

Thomas Daniels

Comments

Laurentiu Bobora 18-Apr-16 13:43pm

Thanks !

Sergey Alexandrovich Kryukov 18-Apr-16 13:50pm

Ha-ha, a 5.
—SA