| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1000 | A+B Problem | 105144 | 16 | ||||
| 1001 | Reverse Root | 33028 | 14 | ||||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6859 | 224 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 3995 | 385 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2642 | 582 | |||
| 1005 | Stone Pile | USU Championship 1997 | 19554 | 79 | |||
| 1006 | Square Frames | USU Championship 1997 | 1572 | 973 | |||
| 1007 | Code Words | USU Championship 1997 | 3847 | 399 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4238 | 362 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 16369 | 94 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5317 | 289 | |||
| 1011 | Conductors | USU Championship 1997 | 6259 | 246 | |||
| 1012 | K-based Numbers. Version 2 | 8633 | 178 | ||||
| 1013 | K-based Numbers. Version 3 | 1282 | 194 | ||||
| 1014 | Product of Digits | USU Local Contest. 1999 | 16409 | 94 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3400 | 450 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1877 | 813 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 9820 | 156 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5518 | 278 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3320 | 461 | |||
| 1020 | Rope | Autumn School Contest 2000 | 15504 | 99 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10485 | 146 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 10904 | 140 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 7151 | 214 | |||
| 1024 | Permutations | Autumn School Contest 2000 | 4832 | 317 | |||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 23000 | 67 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 9839 | 156 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2432 | 628 | |||
| 1028 | Stars | Ural Championship 1999 | 5787 | 264 | |||
| 1029 | Ministry | Ural Championship 1999 | 3778 | 351 | |||
| 1030 | Titanic | Ural Championship 1999 | 1716 | 886 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 3965 | 385 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 4443 | 299 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6515 | 234 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1889 | 805 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1120 | 1350 | |||
| 1036 | Lucky Tickets | 5047 | 302 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1282 | 1172 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3136 | 481 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 3945 | 383 | |||
| 1040 | Airline Company | USU Championship 2000 | 1504 | 1000 | |||
| 1041 | Nikifor | USU Championship 2000 | 297 | 4933 | |||
| 1042 | Central Heating | USU Championship 2000 | 1863 | 809 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 920 | 1628 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12521 | 121 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2884 | 517 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 786 | 1879 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 5003 | 299 | |||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7523 | 198 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6053 | 247 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1039 | 1426 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2838 | 525 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6359 | 235 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4411 | 338 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2326 | 639 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3577 | 416 | |||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2719 | 547 | |||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2093 | 710 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 522 | 2800 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2220 | 670 | |||
| 1060 | Flip Game | NEERC 2000 | 3807 | 370 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2134 | 659 | |||
| 1062 | Triathlon | NEERC 2000 | 770 | 1811 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 631 | 2203 | |||
| 1064 | Binary Search | NEERC 2000 | 2172 | 648 | |||
| 1065 | Frontier | NEERC 2000 | 1004 | 1394 | |||
| 1066 | Garland | NEERC 2000 | 2462 | 571 | |||
| 1067 | Disk Tree | NEERC 2000 | 3829 | 368 | |||
| 1068 | Sum | 38720 | 36 | ||||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2651 | 516 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2085 | 656 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2213 | 618 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2751 | 498 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 9743 | 141 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 638 | 2120 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 670 | 2020 | |||
| 1076 | Trash | 1923 | 707 | ||||
| 1077 | Travelling Tours | 1238 | 397 | ||||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3863 | 351 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12317 | 110 | |||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 7032 | 193 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5094 | 266 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10835 | 124 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 19976 | 67 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 9030 | 149 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2161 | 621 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 12759 | 106 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4915 | 274 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1811 | 740 | |||
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1605 | 834 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3529 | 362 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2441 | 522 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 545 | 2306 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 638 | 1976 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2796 | 456 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2226 | 573 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1811 | 703 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 933 | 1357 | |||
| 1098 | Questions | 2218 | 549 | ||||
| 1099 | Work Scheduling | 1004 | 1142 | ||||