| ENG RUS | Timus Online Judge |
Problem set. Volume 1
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1000 | A+B Problem | 106978 | 16 | ||||
| 1001 | Reverse Root | 34127 | 14 | ||||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6970 | 226 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 4076 | 386 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2707 | 580 | |||
| 1005 | Stone Pile | USU Championship 1997 | 20125 | 78 | |||
| 1006 | Square Frames | USU Championship 1997 | 1584 | 987 | |||
| 1007 | Code Words | USU Championship 1997 | 3887 | 404 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4278 | 367 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 16657 | 94 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5359 | 293 | |||
| 1011 | Conductors | USU Championship 1997 | 6354 | 247 | |||
| 1012 | K-based Numbers. Version 2 | 8725 | 180 | ||||
| 1013 | K-based Numbers. Version 3 | 1343 | 196 | ||||
| 1014 | Product of Digits | USU Local Contest. 1999 | 16750 | 94 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3437 | 455 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1894 | 824 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 9960 | 157 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5588 | 280 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 3372 | 464 | |||
| 1020 | Rope | Autumn School Contest 2000 | 15732 | 100 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10604 | 148 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 11042 | 142 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 7219 | 217 | |||
| 1024 | Permutations | Autumn School Contest 2000 | 4875 | 321 | |||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 23394 | 67 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 10047 | 156 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 2449 | 637 | |||
| 1028 | Stars | Ural Championship 1999 | 5904 | 264 | |||
| 1029 | Ministry | Ural Championship 1999 | 3826 | 354 | |||
| 1030 | Titanic | Ural Championship 1999 | 1729 | 898 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 3995 | 390 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 4513 | 301 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 6590 | 237 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1911 | 813 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 1128 | 1370 | |||
| 1036 | Lucky Tickets | 5120 | 304 | ||||
| 1037 | Memory Management | USU Championship 2000 | 1307 | 1175 | |||
| 1038 | Spell Checker | USU Championship 2000 | 3166 | 487 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 4002 | 386 | |||
| 1040 | Airline Company | USU Championship 2000 | 1535 | 1002 | |||
| 1041 | Nikifor | USU Championship 2000 | 318 | 4719 | |||
| 1042 | Central Heating | USU Championship 2000 | 1899 | 811 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 933 | 1641 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12645 | 122 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 2919 | 522 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 798 | 1892 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 5035 | 303 | |||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7617 | 200 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6134 | 249 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1050 | 1442 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2854 | 534 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6422 | 238 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4443 | 343 | |||
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2363 | 643 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 3605 | 422 | |||
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2756 | 552 | |||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2118 | 717 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 537 | 2783 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 2244 | 677 | |||
| 1060 | Flip Game | NEERC 2000 | 3848 | 374 | |||
| 1061 | Buffer Manager | NEERC 2000 | 2159 | 666 | |||
| 1062 | Triathlon | NEERC 2000 | 778 | 1832 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 644 | 2206 | |||
| 1064 | Binary Search | NEERC 2000 | 2191 | 656 | |||
| 1065 | Frontier | NEERC 2000 | 1013 | 1412 | |||
| 1066 | Garland | NEERC 2000 | 2479 | 580 | |||
| 1067 | Disk Tree | NEERC 2000 | 3959 | 364 | |||
| 1068 | Sum | 39501 | 37 | ||||
| 1069 | Prufer Code | USU Personal Contest 2001 | 2706 | 517 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 2112 | 662 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2236 | 625 | |||
| 1072 | Routing | USU Personal Contest 2001 | 2787 | 502 | |||
| 1073 | Square Country | USU Personal Contest 2001 | 10002 | 140 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 655 | 2111 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 692 | 2000 | |||
| 1076 | Trash | 1950 | 712 | ||||
| 1077 | Travelling Tours | 1269 | 395 | ||||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3909 | 354 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12487 | 111 | |||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 7292 | 190 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5149 | 269 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10907 | 126 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 20249 | 68 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 9165 | 150 | |||
| 1085 | Meeting | Spring School Contest 2001 | 2192 | 625 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 12940 | 106 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4970 | 276 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1825 | 750 | |||
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1627 | 841 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3569 | 365 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2474 | 527 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 554 | 2319 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 642 | 2006 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2819 | 462 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2247 | 579 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1832 | 710 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 949 | 1364 | |||
| 1098 | Questions | 2241 | 555 | ||||
| 1099 | Work Scheduling | 1020 | 1149 | ||||