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Implementation
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6321
Спички
Very hard
6322
Конфеты
Easy
6350
Изированная вода
Very easy
6351
Экономика должна быть экономной!
Medium
6358
Голова профессора Интегралова
Very easy
6361
Шах королю
Medium
6368
Бабушкины причуды (задача от спонсора)
Very easy
6369
Trailing Sifar
6371
Filter & Perform
Medium
6372
Show me the Step
Very easy
6374
Sahur & Imsa
6375
Rice Sack
6376
Rain Forest Canopy
Very easy
6380
Round Robin
6381
Missing Pages
6384
Digit Sum
6385
Cash Cow
6387
Islands in the Data Stream
6396
Fast Food Prizes
6403
Tables
Very easy
6406
Area Coverage
Easy
6410
Encryption
Very easy
6412
Genuine Messages
Very easy
6413
How Much?
6416
Keys
Easy
1
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50
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85