| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1001 | Reverse Root | 33411 | 14 | ||||
| 1000 | A+B Problem | 105982 | 16 | ||||
| 1068 | Sum | 38997 | 37 | ||||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 23175 | 67 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 20112 | 68 | |||
| 1005 | Stone Pile | USU Championship 1997 | 19921 | 78 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 16525 | 94 | |||
| 1014 | Product of Digits | USU Local Contest. 1999 | 16537 | 94 | |||
| 1020 | Rope | Autumn School Contest 2000 | 15588 | 99 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 12833 | 106 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12383 | 111 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12579 | 122 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10873 | 125 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 9869 | 140 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 10961 | 141 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10517 | 147 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 9072 | 150 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 9894 | 157 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 9866 | 157 | |||
| 1012 | K-based Numbers. Version 2 | 8671 | 179 | ||||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 7229 | 190 | |||
| 1013 | K-based Numbers. Version 3 | 1311 | 195 | ||||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7542 | 200 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 7186 | 215 | |||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6909 | 225 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6555 | 235 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6381 | 237 | |||
| 1011 | Conductors | USU Championship 1997 | 6294 | 247 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6094 | 248 | |||
| 1028 | Stars | Ural Championship 1999 | 5860 | 263 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5110 | 268 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4943 | 275 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5550 | 279 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5335 | 291 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 4462 | 301 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 5017 | 301 | |||
| 1036 | Lucky Tickets | 5088 | 303 | ||||
| 1024 | Permutations | Autumn School Contest 2000 | 4852 | 319 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4426 | 340 | |||
| 1029 | Ministry | Ural Championship 1999 | 3798 | 353 | |||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3882 | 353 | |||
| 1067 | Disk Tree | NEERC 2000 | 3935 | 362 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4259 | 364 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3543 | 364 | |||
| 1060 | Flip Game | NEERC 2000 | 3824 | 373 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 3978 | 384 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 4027 | 386 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 3986 | 386 | |||
| 1077 | Travelling Tours | 1252 | 396 | ||||
| 1007 | Code Words | USU Championship 1997 | 3865 | 402 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3591 | 419 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3418 | 453 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2812 | 458 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3353 | 461 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3153 | 484 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2763 | 501 | |||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2684 | 515 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2901 | 520 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2454 | 525 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2847 | 529 | |||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2738 | 549 | |||
| 1098 | Questions | 2228 | 552 | ||||
| 1066 | Garland | NEERC 2000 | 2470 | 575 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2236 | 576 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2670 | 581 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2224 | 621 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2174 | 623 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2443 | 632 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2349 | 639 | |||
| 1064 | Binary Search | NEERC 2000 | 2181 | 652 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2099 | 658 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2144 | 663 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2228 | 674 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1820 | 707 | |||
| 1076 | Trash | 1938 | 709 | ||||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2102 | 714 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1816 | 745 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1899 | 809 | |||
| 1042 | Central Heating | USU Championship 2000 | 1882 | 809 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1885 | 818 | |||
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1615 | 838 | |||
| 1030 | Titanic | Ural Championship 1999 | 1719 | 893 | |||
| 1006 | Square Frames | USU Championship 1997 | 1577 | 980 | |||
| 1040 | Airline Company | USU Championship 2000 | 1519 | 1001 | |||
| 1099 | Work Scheduling | 1009 | 1148 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1292 | 1175 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 940 | 1361 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1121 | 1363 | |||
| 1065 | Frontier | NEERC 2000 | 1005 | 1407 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1043 | 1435 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 924 | 1638 | |||
| 1062 | Triathlon | NEERC 2000 | 770 | 1830 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 790 | 1889 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 639 | 1993 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 681 | 2009 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 648 | 2109 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 634 | 2216 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 548 | 2318 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 527 | 2803 | |||
| 1041 | Nikifor | USU Championship 2000 | 307 | 4827 | |||