Ratna Ratna

@dessyanaratna

Indonesia, Jakarta

Joined Oct 2020

World Rank: #22771 (1.3 points)

Institution: -

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
97

Problems

List of solved classical problems:

AU7_5
CRAN01
HONDA
M_SEQ
PIRACON
TURNLT