BINTREE:Getting WA

What’s wrong with this code?

http://www.codechef.com/viewsolution/4208338

Problem is http://www.codechef.com/problems/BINTREE

Just change :

static char a[30];

static char b[30];

to:

static char a[32]

static char b[32]

1 Like

got it :slight_smile: thanx…

but why is it so? 10^9 can easily fit in 30 bits

you are missing the sign bit

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