1. History of submissions
  2. (plaintext version)

Umar hasan

@sansanbgl

Indonesia, Surabaya

Joined Oct 2010

World Rank: #84576 (0.1 points)

Institution: Institut Teknologi Sepuluh Nopember

Activity over the last year

Effectiveness

 Problems solved
4
 Solutions submitted
9

Problems

List of solved classical problems:

MUL
PLAYGAME
TEST
ZSUM

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