if your store data in array of pairs begin loop from zero i=0 not from 1!

I had wa28, too

my mistake was a incorrect comparison of strings

for example

s1="bb";
s2="bbbb";
f(s1,s2); // give true s1<s2
f(s2,s1); // give me too true, but this is mistake

When I have corrected this i had ac

sorry for my english))

Edited by author 11.10.2009 12:23

i get WA28,too.
i try your way but it is useless.

plz help me!

Edited by author 05.01.2019 17:36