Christina Sandra

@sandra246

Indonesia, Surabaya

Joined Sep 2017

World Rank: #22777 (1.3 points)

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
423

Problems

List of solved classical problems:

AFS
BALLSUM
BWB
FLWRS
GRZZ
LOCKER
TURNLT

TODO list of classical problems:

EIDSALAMI2 NICESEQ OAE
MONONUM NPC2016A PIRACON