e-olymp
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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
Combinatorics
All Problems Combinatorics Comforting task Game theory Graph theory Long arithmetic Modeling Number theory Probability Test problem Others...
65
The Candies
117 / 481
124
Square
2183 / 3739
201
Circles - 2 (RU)
917 / 1283
236
Triomino
313 / 484
390
Anagrams
1035 / 1446
398
Cake for Sergei
567 / 912
399
The consequences of influenza in Prostokvashino
400 / 571
400
Путешествия гномов
54 / 98
402
Complete Tree Labeling
17 / 49
448
Chords
14 / 64
566
Letter of postman Pechkin
302 / 353
1286
Tuck-shop
4592 / 4786
1287
Tennis competitions
1989 / 2321
1288
n-digit numbers
573 / 1000
1289
Lunch
2983 / 3367
1290
License plate
434 / 673
1325
Vas`kin track
515 / 624
1326
Play hockey this...
1496 / 1878
1327
Rooks on a chessboard
825 / 1126
1328
Drawings on a piece of paper in the box
205 / 352
1329
Partition of the set
9 / 31
1440
Beautyful squares
12 / 27
1478
Rectangle
11 / 92
1479
Rectangles-1
11 / 41
1480
Rectangles-2
1 / 11