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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
279 Lamps in a Line *special math Statement E Unknown Language Round 3 {100} PROGRAMMING 1800
145 Polynom *special implementation Statement F Unknown Language Round 3 {100} PROGRAMMING 2000
128 Name the album *special data structures implementation Statement G Unknown Language Round 3 {100} PROGRAMMING 2000
84 Battleship *special dfs and similar implementation Statement H Unknown Language Round 3 {100} PROGRAMMING 2200
66 Interval Coloring *special greedy math Statement J Unknown Language Round 3 {100} PROGRAMMING 2400
3913 Homework greedy Statement A Codeforces Beta Round 79 (Div. 1 Only) {101} PROGRAMMING 1300
2654 Buses binary search data structures dp Statement B Codeforces Beta Round 79 (Div. 1 Only) {101} PROGRAMMING 1900
709 Vectors implementation math Statement C Codeforces Beta Round 79 (Div. 1 Only) {101} PROGRAMMING Codeforces Beta Round 79, editoral 2100
708 Castle dp greedy probabilities sortings trees Statement D Codeforces Beta Round 79 (Div. 1 Only) {101} PROGRAMMING 2300
522 Candies and Stones divide and conquer dp Statement E Codeforces Beta Round 79 (Div. 1 Only) {101} PROGRAMMING 2400
27650 Sum of Digits implementation Statement B Codeforces Beta Round 79 (Div. 2 Only) {102} PROGRAMMING Codeforces Beta Round 79, editoral 1100
3066 Clothes brute force Statement A Codeforces Beta Round 79 (Div. 2 Only) {102} PROGRAMMING 1300
6052 Testing Pants for Sadness greedy implementation math Statement A Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING Tutorial 1200
9106 Cthulhu dfs and similar ds graphs Statement B Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING 1600
969 Russian Roulette constructive algorithms greedy Statement C Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING Tutorial 1900
2154 Time to Raid Cowavans brute force data structures sortings Statement D Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING 2200
901 Buying Sets flows graph matchings Statement E Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING Tutorial 2700
15656 Blackjack implementation Statement A Codeforces Beta Round 80 (Div. 2 Only) {104} PROGRAMMING Codeforces Beta Round #80 - неофициальный разбор 900
1848 Transmigration implementation Statement A Codeforces Beta Round 81 {105} PROGRAMMING 1600
824 Dark Assembly brute force probabilities Statement B Codeforces Beta Round 81 {105} PROGRAMMING 1800
346 Item World brute force implementation sortings Statement C Codeforces Beta Round 81 {105} PROGRAMMING 2100
193 Lift and Throw brute force Statement E Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 2400
141 Entertaining Geodetics brute force ds implementation Statement D Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 2600
6184 Choosing Laptop brute force implementation Statement B Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1100
7709 Card Game implementation Statement A Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1200
6146 Buns dp Statement C Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1600
1372 Treasure Island brute force implementation Statement D Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING 1700
888 Space Rescuers geometry ternary search Statement E Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING 2200
5191 Dorm Water Supply dfs and similar graphs Statement A Codeforces Beta Round 83 (Div. 1 Only) {107} PROGRAMMING 1500
3594 Basketball Team combinatorics dp math probabilities Statement B Codeforces Beta Round 83 (Div. 1 Only) {107} PROGRAMMING 1700
435 Crime Management dp graphs matrices Statement D Codeforces Beta Round 83 (Div. 1 Only) {107} PROGRAMMING 2400
396 Arrangement bitmasks dp Statement C Codeforces Beta Round 83 (Div. 1 Only) {107} PROGRAMMING 2500
140 Darts geometry probabilities Statement E Codeforces Beta Round 83 (Div. 1 Only) {107} PROGRAMMING Tutorial 2600
9462 Palindromic Times implementation strings Statement A Codeforces Beta Round 83 (Div. 2 Only) {108} PROGRAMMING Editorial: Codeforces Beta Round #83 (Dima) 1100
2499 Datatypes math sortings Statement B Codeforces Beta Round 83 (Div. 2 Only) {108} PROGRAMMING Editorial: Codeforces Beta Round #83 (Dima) 1500
18035 Lucky Sum of Digits brute force implementation Statement A Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 1200
3659 Lucky Tree dp ds trees Statement C Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING 2000
824 Lucky Sorting constructive algorithms sortings Statement D Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 2000
1572 Lucky Probability brute force probabilities Statement B Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING 2000
105 Lucky Interval brute force math Statement E Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 2600
10335 Lucky String constructive algorithms strings Statement B Codeforces Beta Round 84 (Div. 2 Only) {110} PROGRAMMING Codeforces Beta Round #84 - Analysis 1100
163748 Nearly Lucky Number implementation Statement A Codeforces Beta Round 84 (Div. 2 Only) {110} PROGRAMMING Codeforces Beta Round #84 - Analysis 800
4829 Petya and Inequiations greedy Statement A Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING Codeforces Beta Round #85: Разбор задач 1500
3741 Petya and Divisors binary search data structures number theory Statement B Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING Codeforces Beta Round #85: Разбор задач 1900
1408 Petya and Spiders bitmasks dp ds Statement C Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING Codeforces Beta Round #85: Разбор задач 2100
795 Petya and Coloring combinatorics dp Statement D Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING Codeforces Beta Round #85: Разбор задач 2300
67 Petya and Rectangle Statement E Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING 3000
4242 Petya and Square implementation math Statement B Codeforces Beta Round 85 (Div. 2 Only) {112} PROGRAMMING Разбор CFBR #85 Div. 1 C, D 1300
236493 Petya and Strings implementation strings Statement A Codeforces Beta Round 85 (Div. 2 Only) {112} PROGRAMMING Разбор CFBR #85 Div. 1 C, D 900
2315 Grammar Lessons implementation strings Statement A Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING Codeforces Beta Round #86 Editorial 1600
2908 Petr# brute force data structures hashing strings Statement B Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING Codeforces Beta Round #86 Editorial 1900
1251 Double Happiness brute force math number theory Statement C Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING Codeforces Beta Round #86 Editorial 2200
691 Museum math matrices probabilities Statement D Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING 2500
121 Sleeping combinatorics implementation math Statement E Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING 2600
14289 Cifera math Statement A Codeforces Beta Round 86 (Div. 2 Only) {114} PROGRAMMING Codeforces Beta Round #86 Editorial 1100
3774 PFAST Inc. bitmasks brute force graphs Statement B Codeforces Beta Round 86 (Div. 2 Only) {114} PROGRAMMING Codeforces Beta Round #86 Editorial 1500
35655 Party dfs and similar graphs trees Statement A Codeforces Beta Round 87 (Div. 1 Only) {115} PROGRAMMING Tutorial 1300
2636 Lawnmower greedy sortings Statement B Codeforces Beta Round 87 (Div. 1 Only) {115} PROGRAMMING Tutorial 1600
614 Plumber math Statement C Codeforces Beta Round 87 (Div. 1 Only) {115} PROGRAMMING 2400
1701 Linear Kingdom Races data structures dp Statement E Codeforces Beta Round 87 (Div. 1 Only) {115} PROGRAMMING 2400
409 Unambiguous Arithmetic Expression dp expression parsing Statement D Codeforces Beta Round 87 (Div. 1 Only) {115} PROGRAMMING Tutorial 2600
13899 Little Pigs and Wolves greedy implementation Statement B Codeforces Beta Round 87 (Div. 2 Only) {116} PROGRAMMING Codeforces Beta #87 Editorial 1300
149016 Tram implementation Statement A Codeforces Beta Round 87 (Div. 2 Only) {116} PROGRAMMING Codeforces Beta #87 Editorial 800
2037 Elevator implementation math Statement A Codeforces Beta Round 88 {117} PROGRAMMING 1400
1629 Very Interesting Game brute force number theory Statement B Codeforces Beta Round 88 {117} PROGRAMMING Неофициальный разбор Codeforces Beta Round #88 1700
2685 Cycle dfs and similar graphs Statement C Codeforces Beta Round 88 {117} PROGRAMMING Неофициальный разбор Codeforces Beta Round #88 2000
343 Not Quick Transformation divide and conquer math Statement D Codeforces Beta Round 88 {117} PROGRAMMING 2400
356 Tree or not Tree data structures divide and conquer implementation trees Statement E Codeforces Beta Round 88 {117} PROGRAMMING 2800
200365 String Task implementation strings Statement A Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING Разбор задач. Codeforces beta round #89. 1100
30762 Present from Lena constructive algorithms implementation Statement B Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING Разбор задач. Codeforces beta round #89. 1100
2620 Fancy Number brute force greedy sortings strings Statement C Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING 1700
17876 Caesar's Legions dp Statement D Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING Разбор задач. Codeforces beta round #89. 1800
6893 Bertown roads dfs and similar graphs Statement E Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING Разбор задач. Codeforces beta round #89. 2100
27722 Epic Game implementation Statement A Codeforces Beta Round 90 {119} PROGRAMMING Codeforces Beta Round #90 (editorial) 1000
1083 Before Exam constructive algorithms implementation sortings Statement B Codeforces Beta Round 90 {119} PROGRAMMING 1700
967 Education Reform dp Statement C Codeforces Beta Round 90 {119} PROGRAMMING 2000
514 String Transformation hashing strings Statement D Codeforces Beta Round 90 {119} PROGRAMMING Codeforces Beta Round #90 (editorial) 2500
98 Alternative Reality geometry Statement E Codeforces Beta Round 90 {119} PROGRAMMING 2800
4892 Elevator brute force implementation math Statement A School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1000
3705 Winnie-the-Pooh and honey implementation math Statement C School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1100
3467 Quiz League implementation Statement B School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1100
1948 Three Sons brute force Statement D School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1400
3690 Spiders dp greedy trees Statement F School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1500
2768 Put Knight! games Statement E School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1500
691 Boom implementation Statement G School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1800
1430 Brevity is Soul of Wit graph matchings Statement H School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1900
951 Minimum Sum divide and conquer geometry sortings Statement J School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 2000
308 Luck is in Numbers greedy Statement I School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 2300
9369 Lucky Sum implementation Statement A Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING Разбор задач 1400
2598 Lucky Transformation strings Statement B Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING 1600
1294 Lucky Permutation brute force combinatorics number theory Statement C Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING Разбор задач 2000
1766 Lucky Array data structures Statement E Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING Разбор задач 2300
289 Lucky Segments binary search implementation two pointers Statement D Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING 2400
128298 Lucky Division brute force number theory Statement A Codeforces Beta Round 91 (Div. 2 Only) {122} PROGRAMMING BIT solution for Codeforces #91 E 1000
12477 Lucky Substring brute force implementation Statement B Codeforces Beta Round 91 (Div. 2 Only) {122} PROGRAMMING BIT solution for Codeforces #91 E 1100
3663 Prime Permutation implementation number theory strings Statement A Codeforces Beta Round 92 (Div. 1 Only) {123} PROGRAMMING Codeforces Beta Round #92 - Analysis 1600
1144 Squares math Statement B Codeforces Beta Round 92 (Div. 1 Only) {123} PROGRAMMING Codeforces Beta Round #92 - Analysis 1900
1238 String string suffix structures Statement D Codeforces Beta Round 92 (Div. 1 Only) {123} PROGRAMMING Codeforces Beta Round #92 - Analysis 2300
624 Brackets combinatorics dp greedy Statement C Codeforces Beta Round 92 (Div. 1 Only) {123} PROGRAMMING 2300
734 Maze dfs and similar dp probabilities trees Statement E Codeforces Beta Round 92 (Div. 1 Only) {123} PROGRAMMING 2600