| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1000 | A+B Problem | 107554 | 16 | ||||
| 1001 | Reverse Root | 34444 | 14 | ||||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 7043 | 225 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 4128 | 385 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2733 | 580 | |||
| 1005 | Stone Pile | USU Championship 1997 | 20428 | 78 | |||
| 1006 | Square Frames | USU Championship 1997 | 1596 | 989 | |||
| 1007 | Code Words | USU Championship 1997 | 3911 | 405 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4324 | 367 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 16777 | 95 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5378 | 295 | |||
| 1011 | Conductors | USU Championship 1997 | 6384 | 248 | |||
| 1012 | K-based Numbers. Version 2 | 8774 | 180 | ||||
| 1013 | K-based Numbers. Version 3 | 1374 | 197 | ||||
| 1014 | Product of Digits | USU Local Contest. 1999 | 16838 | 94 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3453 | 458 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1909 | 825 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 10038 | 158 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5621 | 281 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3395 | 465 | |||
| 1020 | Rope | Autumn School Contest 2000 | 15806 | 100 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10655 | 148 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 11123 | 142 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 7244 | 218 | |||
| 1024 | Permutations | Autumn School Contest 2000 | 4897 | 322 | |||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 23544 | 67 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 10120 | 156 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2460 | 640 | |||
| 1028 | Stars | Ural Championship 1999 | 5932 | 265 | |||
| 1029 | Ministry | Ural Championship 1999 | 3853 | 355 | |||
| 1030 | Titanic | Ural Championship 1999 | 1739 | 902 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 4012 | 392 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 4539 | 302 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6646 | 237 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1930 | 813 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1142 | 1366 | |||
| 1036 | Lucky Tickets | 5159 | 305 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1327 | 1169 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3187 | 489 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 4031 | 387 | |||
| 1040 | Airline Company | USU Championship 2000 | 1546 | 1004 | |||
| 1041 | Nikifor | USU Championship 2000 | 339 | 4477 | |||
| 1042 | Central Heating | USU Championship 2000 | 1926 | 807 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 956 | 1617 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12702 | 123 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2943 | 523 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 805 | 1894 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 5054 | 305 | |||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7655 | 201 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6189 | 249 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1060 | 1442 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2866 | 537 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6454 | 239 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4469 | 344 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2390 | 642 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3621 | 424 | |||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2784 | 551 | |||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2138 | 717 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 554 | 2725 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2257 | 679 | |||
| 1060 | Flip Game | NEERC 2000 | 3859 | 377 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2170 | 669 | |||
| 1062 | Triathlon | NEERC 2000 | 790 | 1822 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 650 | 2207 | |||
| 1064 | Binary Search | NEERC 2000 | 2207 | 658 | |||
| 1065 | Frontier | NEERC 2000 | 1018 | 1418 | |||
| 1066 | Garland | NEERC 2000 | 2490 | 583 | |||
| 1067 | Disk Tree | NEERC 2000 | 4062 | 358 | |||
| 1068 | Sum | 39687 | 37 | ||||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2754 | 513 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2125 | 664 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2255 | 626 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2805 | 503 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 10071 | 141 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 663 | 2105 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 707 | 1976 | |||
| 1076 | Trash | 1968 | 712 | ||||
| 1077 | Travelling Tours | 1280 | 395 | ||||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3928 | 356 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12560 | 112 | |||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 7515 | 186 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5171 | 271 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10934 | 127 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 20359 | 68 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 9211 | 151 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2200 | 629 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 13010 | 107 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4997 | 278 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1852 | 746 | |||
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1643 | 841 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3598 | 366 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2491 | 528 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 563 | 2304 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 652 | 1994 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2827 | 465 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2255 | 583 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1851 | 709 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 956 | 1367 | |||
| 1098 | Questions | 2257 | 557 | ||||
| 1099 | Work Scheduling | 1039 | 1138 | ||||