Hi CodeForces!

BWC(Black.White Crow) Round #1 is going to take place on BWC At 8 PM this Thursday.(Tehran Timezone).Problem statements are in Perisan.

This Contest will have 3 problems and each of them has 4 subtasks. Each subtask is a short answer algorithmic problem(Like Project Euler). Writer of the Round is ATofighi. I'd like to thank EKGMA for testing the Contest.

Good luck and Have fun.

UPD. Contest starts with 30 minutes of delay. Sorry for that :(

UPD2. Contest finished. Congrats to the winners:

1-M.Mahdi

2-ITDOI

3-keyvankhademi

4-Arpa