How can i solve that problem? please help...i know about lazy segment tree...but i am failed to apply lazy segment tree... problem link-> : https://www.spoj.com/problems/MULTQ3/
MULTQ3 — Multiples of 3
How can i solve that problem? please help...i know about lazy segment tree...but i am failed to apply lazy segment tree... problem link-> : https://www.spoj.com/problems/MULTQ3/