| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1001 | Reverse Root | 29528 | 15 | ||||
| 1000 | A+B Problem | 96157 | 16 | ||||
| 1068 | Sum | 35126 | 38 | ||||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 21161 | 68 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 18476 | 68 | |||
| 1005 | Stone Pile | USU Championship 1997 | 16937 | 85 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 15368 | 93 | |||
| 1014 | Product of Digits | USU Local Contest. 1999 | 14787 | 97 | |||
| 1020 | Rope | Autumn School Contest 2000 | 14301 | 100 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 11684 | 108 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 11560 | 110 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 11761 | 120 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10410 | 121 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 10413 | 137 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 9970 | 143 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 8720 | 147 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 8543 | 147 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 9327 | 153 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 9068 | 158 | |||
| 1012 | K-based Numbers. Version 2 | 8212 | 174 | ||||
| 1013 | K-based Numbers. Version 3 | 1062 | 188 | ||||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7220 | 193 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 6893 | 207 | |||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6528 | 220 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6116 | 228 | |||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 5534 | 229 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6167 | 231 | |||
| 1011 | Conductors | USU Championship 1997 | 5993 | 239 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 5796 | 241 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 4892 | 259 | |||
| 1028 | Stars | Ural Championship 1999 | 5457 | 261 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4583 | 274 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5155 | 278 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5110 | 280 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 4734 | 294 | |||
| 1036 | Lucky Tickets | 4789 | 297 | ||||
| 1032 | Find a Multiple | Ural Championship 1999 | 4153 | 298 | |||
| 1024 | Permutations | Autumn School Contest 2000 | 4651 | 307 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4285 | 324 | |||
| 1029 | Ministry | Ural Championship 1999 | 3622 | 342 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4095 | 350 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3409 | 350 | |||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3554 | 356 | |||
| 1060 | Flip Game | NEERC 2000 | 3685 | 357 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 3833 | 371 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 3746 | 376 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 3763 | 381 | |||
| 1007 | Code Words | USU Championship 1997 | 3719 | 385 | |||
| 1077 | Travelling Tours | 1150 | 399 | ||||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3449 | 403 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3302 | 432 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2711 | 439 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3211 | 445 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3046 | 462 | |||
| 1089 | Verification with a Vocabulary | Spring School Contest 2001 | 2696 | 465 | |||
| 1067 | Disk Tree | NEERC 2000 | 2708 | 485 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2618 | 488 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2754 | 505 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2734 | 509 | |||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2481 | 515 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2310 | 515 | |||
| 1098 | Questions | 2144 | 530 | ||||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2605 | 533 | |||
| 1066 | Garland | NEERC 2000 | 2381 | 551 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2130 | 558 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2526 | 567 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2399 | 594 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2131 | 599 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2076 | 603 | |||
| 1064 | Binary Search | NEERC 2000 | 2104 | 624 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2072 | 634 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2005 | 636 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2163 | 641 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2108 | 658 | |||
| 1076 | Trash | 1862 | 681 | ||||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1738 | 684 | |||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 1968 | 704 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1764 | 709 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1845 | 769 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1814 | 785 | |||
| 1042 | Central Heating | USU Championship 2000 | 1743 | 806 | |||
| 1030 | Titanic | Ural Championship 1999 | 1671 | 848 | |||
| 1006 | Square Frames | USU Championship 1997 | 1527 | 934 | |||
| 1040 | Airline Company | USU Championship 2000 | 1434 | 978 | |||
| 1099 | Work Scheduling | 940 | 1138 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1211 | 1157 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1062 | 1327 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 883 | 1338 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1006 | 1374 | |||
| 1065 | Frontier | NEERC 2000 | 950 | 1374 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 879 | 1589 | |||
| 1062 | Triathlon | NEERC 2000 | 723 | 1799 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 753 | 1829 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 610 | 1928 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 620 | 2035 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 608 | 2075 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 605 | 2143 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 528 | 2221 | |||
| 1041 | Nikifor | USU Championship 2000 | 611 | 2275 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 484 | 2813 | |||