| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1001 | Reverse Root | 32522 | 14 | ||||
| 1000 | A+B Problem | 103813 | 16 | ||||
| 1068 | Sum | 38170 | 37 | ||||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 22748 | 67 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 19801 | 67 | |||
| 1005 | Stone Pile | USU Championship 1997 | 19353 | 79 | |||
| 1014 | Product of Digits | USU Local Contest. 1999 | 16210 | 93 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 16236 | 94 | |||
| 1020 | Rope | Autumn School Contest 2000 | 15316 | 99 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 12610 | 105 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12210 | 110 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12418 | 120 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10786 | 123 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 10834 | 140 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 9610 | 141 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10386 | 146 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 8922 | 149 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 9738 | 156 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 9723 | 156 | |||
| 1012 | K-based Numbers. Version 2 | 8575 | 177 | ||||
| 1013 | K-based Numbers. Version 3 | 1246 | 192 | ||||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 6939 | 193 | |||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7463 | 197 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 7120 | 212 | |||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6797 | 223 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6488 | 232 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6324 | 233 | |||
| 1011 | Conductors | USU Championship 1997 | 6215 | 244 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6011 | 245 | |||
| 1028 | Stars | Ural Championship 1999 | 5722 | 263 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5074 | 264 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4900 | 271 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5478 | 276 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5300 | 286 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 4997 | 295 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 4385 | 299 | |||
| 1036 | Lucky Tickets | 5012 | 300 | ||||
| 1024 | Permutations | Autumn School Contest 2000 | 4809 | 314 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4397 | 335 | |||
| 1029 | Ministry | Ural Championship 1999 | 3760 | 348 | |||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3842 | 348 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4227 | 359 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3501 | 360 | |||
| 1060 | Flip Game | NEERC 2000 | 3793 | 367 | |||
| 1067 | Disk Tree | NEERC 2000 | 3756 | 370 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 3950 | 381 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 3916 | 381 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 3954 | 384 | |||
| 1077 | Travelling Tours | 1226 | 395 | ||||
| 1007 | Code Words | USU Championship 1997 | 3831 | 396 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3556 | 413 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3388 | 446 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2783 | 453 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3304 | 457 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3124 | 477 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2743 | 493 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2852 | 516 | |||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2621 | 516 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2826 | 521 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2409 | 523 | |||
| 1098 | Questions | 2209 | 544 | ||||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2695 | 545 | |||
| 1066 | Garland | NEERC 2000 | 2448 | 567 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2214 | 568 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2614 | 580 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2200 | 614 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2148 | 616 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2424 | 622 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2286 | 642 | |||
| 1064 | Binary Search | NEERC 2000 | 2159 | 644 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2077 | 650 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2127 | 653 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2212 | 663 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1796 | 700 | |||
| 1076 | Trash | 1911 | 702 | ||||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2055 | 714 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1805 | 733 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1883 | 797 | |||
| 1042 | Central Heating | USU Championship 2000 | 1848 | 805 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1868 | 807 | |||
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1591 | 831 | |||
| 1030 | Titanic | Ural Championship 1999 | 1711 | 877 | |||
| 1006 | Square Frames | USU Championship 1997 | 1563 | 967 | |||
| 1040 | Airline Company | USU Championship 2000 | 1497 | 992 | |||
| 1099 | Work Scheduling | 995 | 1138 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1269 | 1169 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1120 | 1333 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 923 | 1355 | |||
| 1065 | Frontier | NEERC 2000 | 995 | 1389 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1030 | 1420 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 913 | 1620 | |||
| 1062 | Triathlon | NEERC 2000 | 765 | 1800 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 782 | 1865 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 635 | 1960 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 661 | 2022 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 632 | 2113 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 627 | 2189 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 542 | 2290 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 518 | 2786 | |||
| 1041 | Nikifor | USU Championship 2000 | 295 | 4902 | |||