John MacTavish

@lvminh97

Viet Nam, Hà Nội

Joined Oct 2016

World Rank: #121616 (0 points)

Institution: Hanoi University of Science and Technology

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
15

Problems

List of solved classical problems:

ARRAYSUB
EKO
FACEFRND
PHONELST
PRIME1
TEST