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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
5941 No to Palindromes! greedy strings Statement A Codeforces Round 265 (Div. 1) {464} PROGRAMMING Codeforces Round #265 Editorial 1700
1862 Substitutes in Number dp Statement C Codeforces Round 265 (Div. 1) {464} PROGRAMMING Codeforces Round #265 Editorial 2200
1714 Restore Cube brute force geometry Statement B Codeforces Round 265 (Div. 1) {464} PROGRAMMING Codeforces Round #265 Editorial 2200
675 World of Darkraft - 2 dp probabilities Statement D Codeforces Round 265 (Div. 1) {464} PROGRAMMING Codeforces Round #265 Editorial 2600
1536 The Classic Problem data structures graphs shortest paths Statement E Codeforces Round 265 (Div. 1) {464} PROGRAMMING 2900
10483 Inbox (100500) implementation Statement B Codeforces Round 265 (Div. 2) {465} PROGRAMMING Codeforces Round #265 Editorial 1000
10110 inc ARG implementation Statement A Codeforces Round 265 (Div. 2) {465} PROGRAMMING Codeforces Round #265 Editorial 900
65695 Cheap Travel implementation Statement A Codeforces Round 266 (Div. 2) {466} PROGRAMMING Editorial Codeforces Round #266 (Div. 2) 1200
37089 Number of Ways binary search brute force data structures dp two pointers Statement C Codeforces Round 266 (Div. 2) {466} PROGRAMMING Editorial Codeforces Round #266 (Div. 2) 1700
4973 Wonder Room brute force math Statement B Codeforces Round 266 (Div. 2) {466} PROGRAMMING Editorial Codeforces Round #266 (Div. 2) 1800
3293 Increase Sequence combinatorics dp Statement D Codeforces Round 266 (Div. 2) {466} PROGRAMMING Editorial Codeforces Round #266 (Div. 2) 2300
2295 Information Graph dfs and similar ds graphs trees Statement E Codeforces Round 266 (Div. 2) {466} PROGRAMMING Editorial Codeforces Round #266 (Div. 2) 2400
38526 Fedor and New Game bitmasks brute force constructive algorithms implementation Statement B Codeforces Round 267 (Div. 2) {467} PROGRAMMING Разбор задач 1200
14934 George and Job dp implementation Statement C Codeforces Round 267 (Div. 2) {467} PROGRAMMING Разбор задач 1700
1873 Fedor and Essay dfs and similar dp graphs hashing strings Statement D Codeforces Round 267 (Div. 2) {467} PROGRAMMING 2100
802 Alex and Complicated Task data structures dp greedy Statement E Codeforces Round 267 (Div. 2) {467} PROGRAMMING Разбор задач 2900
128024 George and Accommodation implementation Statement A Codeforces Round 267 (Div. 2) {467} PROGRAMMING Разбор задач 800
8058 24 Game constructive algorithms greedy math Statement A Codeforces Round 268 (Div. 1) {468} PROGRAMMING 13896 1600
4341 Two Sets 2-sat dfs and similar ds graph matchings greedy Statement B Codeforces Round 268 (Div. 1) {468} PROGRAMMING 13896 2000
2446 Hack it! binary search constructive algorithms math Statement C Codeforces Round 268 (Div. 1) {468} PROGRAMMING 13896 2800
372 Tree graph matchings Statement D Codeforces Round 268 (Div. 1) {468} PROGRAMMING 13896 3000
343 Permanent dp graph matchings math meet-in-the-middle Statement E Codeforces Round 268 (Div. 1) {468} PROGRAMMING 13896 3100
101849 I Wanna Be the Guy greedy implementation Statement A Codeforces Round 268 (Div. 2) {469} PROGRAMMING Codeforces Round #268 Editorial 1000
12820 Chat Online implementation Statement B Codeforces Round 268 (Div. 2) {469} PROGRAMMING 1300
680 Crystal Ball Sequence *special implementation Statement A Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 1400
262 Hexakosioihexekontahexaphobia *special Statement B Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 1800
200 Chessboard *special Statement E Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 1900
258 Eval *special Statement C Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 2100
155 Caesar Cipher *special Statement D Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 2200
107 Pairwise Sums *special Statement F Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 2300
96 Hamming Distance *special Statement G Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 2500
190 Array Sorting *special Statement H Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 2600
13466 MUH and Sticks implementation Statement A Codeforces Round 269 (Div. 2) {471} PROGRAMMING Codeforces Round #269 Editorial 1200
5974 MUH and Important Things implementation sortings Statement B Codeforces Round 269 (Div. 2) {471} PROGRAMMING 1400
3588 MUH and House of Cards binary search brute force greedy math Statement C Codeforces Round 269 (Div. 2) {471} PROGRAMMING Codeforces Round #269 Editorial 1700
8573 MUH and Cube Walls string suffix structures strings Statement D Codeforces Round 269 (Div. 2) {471} PROGRAMMING Codeforces Round #269 Editorial 2000
83 MUH and Lots and Lots of Segments data structures ds Statement E Codeforces Round 269 (Div. 2) {471} PROGRAMMING 2700
7464 Design Tutorial: Learn from Life Statement B Codeforces Round 270 {472} PROGRAMMING Editorial 1300
6380 Design Tutorial: Make It Nondeterministic greedy Statement C Codeforces Round 270 {472} PROGRAMMING Editorial 1400
5572 Design Tutorial: Inverse the Problem dfs and similar ds shortest paths trees Statement D Codeforces Round 270 {472} PROGRAMMING Editorial 1900
259 Design Tutorial: Change the Goal constructive algorithms math matrices Statement F Codeforces Round 270 {472} PROGRAMMING 2600
132 Design Tutorial: Learn from a Game constructive algorithms implementation Statement E Codeforces Round 270 {472} PROGRAMMING 2700
412 Design Tutorial: Increase the Constraints bitmasks data structures fft Statement G Codeforces Round 270 {472} PROGRAMMING Editorial 2800
62022 Design Tutorial: Learn from Math math number theory Statement A Codeforces Round 270 {472} PROGRAMMING Editorial 900
46992 Keyboard implementation Statement A Codeforces Round 271 (Div. 2) {474} PROGRAMMING Codeforces Round #271 (Div. 2) Editorial 1000
50817 Worms binary search implementation Statement B Codeforces Round 271 (Div. 2) {474} PROGRAMMING Codeforces Round #271 (Div. 2) Editorial 1300
26222 Flowers dp Statement D Codeforces Round 271 (Div. 2) {474} PROGRAMMING Codeforces Round #271 (Div. 2) Editorial 1700
3162 Captain Marmot brute force geometry Statement C Codeforces Round 271 (Div. 2) {474} PROGRAMMING Codeforces Round #271 (Div. 2) Editorial 1900
3493 Pillars binary search data structures dp sortings trees Statement E Codeforces Round 271 (Div. 2) {474} PROGRAMMING Codeforces Round #271 (Div. 2) Editorial 2200
9118 Ant colony data structures math number theory Statement F Codeforces Round 271 (Div. 2) {474} PROGRAMMING 2200
4791 Bayan Bus implementation Statement A Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 1300
8634 Strongly Connected City brute force dfs and similar graphs implementation Statement B Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 1400
5119 CGCDSSQ brute force data structures math Statement D Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 2000
790 Kamal-ol-molk's Painting brute force constructive algorithms greedy Statement C Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 2100
418 Strongly Connected City 2 dfs and similar Statement E Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 2600
234 Meta-universe data structures Statement F Bayan 2015 Contest Warm Up {475} PROGRAMMING Bayan 2015 Contest Warm Up Editorial 2800
45211 Dreamoon and Stairs implementation math Statement A Codeforces Round 272 (Div. 2) {476} PROGRAMMING Editorial 1100
31735 Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities Statement B Codeforces Round 272 (Div. 2) {476} PROGRAMMING 1300
5770 Dreamoon and Sums math Statement C Codeforces Round 272 (Div. 2) {476} PROGRAMMING Editorial 1700
4723 Dreamoon and Sets constructive algorithms greedy math Statement D Codeforces Round 272 (Div. 2) {476} PROGRAMMING Editorial 2000
1991 Dreamoon and Strings dp strings Statement E Codeforces Round 272 (Div. 2) {476} PROGRAMMING Editorial 2600
532 Dreamoon and Binary dp strings Statement D Codeforces Round 272 (Div. 1) {477} PROGRAMMING Разбор (англ.) 2600
135 Dreamoon and Notepad data structures Statement E Codeforces Round 272 (Div. 1) {477} PROGRAMMING 3100
25953 Initial Bet implementation Statement A Codeforces Round 273 (Div. 2) {478} PROGRAMMING Editorial 1200
37366 Random Teams combinatorics constructive algorithms greedy math Statement B Codeforces Round 273 (Div. 2) {478} PROGRAMMING Editorial 1300
18631 Table Decorations greedy Statement C Codeforces Round 273 (Div. 2) {478} PROGRAMMING Editorial 1700
6164 Red-Green Towers dp Statement D Codeforces Round 273 (Div. 2) {478} PROGRAMMING Editorial 2100
221 Wavy numbers brute force dfs and similar meet-in-the-middle sortings Statement E Codeforces Round 273 (Div. 2) {478} PROGRAMMING Editorial 2700
97367 Expression brute force math Statement A Codeforces Round 274 (Div. 2) {479} PROGRAMMING Codeforces Round #274: editorial 1100
7970 Towers brute force constructive algorithms greedy implementation sortings Statement B Codeforces Round 274 (Div. 2) {479} PROGRAMMING 1400
30238 Exams greedy sortings Statement C Codeforces Round 274 (Div. 2) {479} PROGRAMMING 1500
4854 Long Jumps binary search greedy implementation Statement D Codeforces Round 274 (Div. 2) {479} PROGRAMMING 1800
5212 Riding in a Lift combinatorics dp Statement E Codeforces Round 274 (Div. 2) {479} PROGRAMMING 2000
461 Parcels dp graphs Statement D Codeforces Round 274 (Div. 1) {480} PROGRAMMING 2600
575 Parking Lot data structures divide and conquer Statement E Codeforces Round 274 (Div. 1) {480} PROGRAMMING Codeforces Round #274: editorial 2800
9759 Diverse Permutation constructive algorithms greedy Statement A Codeforces Round 275 (Div. 1) {482} PROGRAMMING Codeforces Round #275 Editorial 1300
6683 Interesting Array constructive algorithms data structures trees Statement B Codeforces Round 275 (Div. 1) {482} PROGRAMMING Codeforces Round #275 Editorial 2000
543 Random Function and Tree combinatorics dp trees Statement D Codeforces Round 275 (Div. 1) {482} PROGRAMMING Codeforces Round #275 Editorial 2600
953 Game with Strings bitmasks dp probabilities Statement C Codeforces Round 275 (Div. 1) {482} PROGRAMMING 2800
179 ELCA data structures trees Statement E Codeforces Round 275 (Div. 1) {482} PROGRAMMING 3200
23488 Counterexample brute force implementation math number theory Statement A Codeforces Round 275 (Div. 2) {483} PROGRAMMING Codeforces Round #275 Editorial 1100
4112 Friends and Presents binary search math Statement B Codeforces Round 275 (Div. 2) {483} PROGRAMMING Codeforces Round #275 Editorial 1800
11668 Bits bitmasks constructive algorithms Statement A Codeforces Round 276 (Div. 1) {484} PROGRAMMING Codeforces Round #276 — Editorial 1700
7141 Maximum Value binary search math sortings two pointers Statement B Codeforces Round 276 (Div. 1) {484} PROGRAMMING Codeforces Round #276 — Editorial 2100
2706 Kindergarten data structures dp greedy Statement D Codeforces Round 276 (Div. 1) {484} PROGRAMMING Codeforces Round #276 — Editorial 2400
597 Strange Sorting implementation math Statement C Codeforces Round 276 (Div. 1) {484} PROGRAMMING 2600
2410 Sign on Fence binary search constructive algorithms data structures Statement E Codeforces Round 276 (Div. 1) {484} PROGRAMMING 2700
6555 Valuable Resources brute force greedy Statement B Codeforces Round 276 (Div. 2) {485} PROGRAMMING Codeforces Round #276 — Editorial 1300
8382 Factory implementation math matrices Statement A Codeforces Round 276 (Div. 2) {485} PROGRAMMING Codeforces Round #276 — Editorial 1400
124820 Calculating Function implementation math Statement A Codeforces Round 277 (Div. 2) {486} PROGRAMMING Codeforces Round #277(Div. 2) Editorial 1100
18031 OR in Matrix greedy hashing implementation Statement B Codeforces Round 277 (Div. 2) {486} PROGRAMMING Codeforces Round #277(Div. 2) Editorial 1400
11836 Palindrome Transformation brute force greedy implementation Statement C Codeforces Round 277 (Div. 2) {486} PROGRAMMING 1700
4097 Valid Sets dfs and similar dp math trees Statement D Codeforces Round 277 (Div. 2) {486} PROGRAMMING Codeforces Round #277(Div. 2) Editorial 2300
2323 LIS of Sequence data structures dp greedy hashing math Statement E Codeforces Round 277 (Div. 2) {486} PROGRAMMING 2400
3780 Fight the Monster binary search brute force implementation Statement A Codeforces Round 278 (Div. 1) {487} PROGRAMMING Tutorial 1900
3599 Strip binary search data structures dp two pointers Statement B Codeforces Round 278 (Div. 1) {487} PROGRAMMING Tutorial 2300
2830 Prefix Product Sequence constructive algorithms math number theory Statement C Codeforces Round 278 (Div. 1) {487} PROGRAMMING Tutorial 2600
912 Conveyor Belts data structures Statement D Codeforces Round 278 (Div. 1) {487} PROGRAMMING 2700
2437 Tourists data structures dfs and similar graphs trees Statement E Codeforces Round 278 (Div. 1) {487} PROGRAMMING Tutorial 3100
14413 Giga Tower brute force Statement A Codeforces Round 278 (Div. 2) {488} PROGRAMMING Codeforces Round #278 Editorial 1100