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< 1 2 3 4 ... 6 7 8 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 167 | Dreamoon and Notepad | data structures | Statement | E | Codeforces Round 272 (Div. 1) {477} | PROGRAMMING | 3100 | ||
| 669 | Parking Lot | data structures divide and conquer | Statement | E | Codeforces Round 274 (Div. 1) {480} | PROGRAMMING | Codeforces Round #274: editorial | 2800 | |
| 8509 | Interesting Array | constructive algorithms data structures trees | Statement | B | Codeforces Round 275 (Div. 1) {482} | PROGRAMMING | Codeforces Round #275 Editorial | 2000 | |
| 203 | ELCA | data structures trees | Statement | E | Codeforces Round 275 (Div. 1) {482} | PROGRAMMING | Codeforces Round #275 Editorial | 3200 | |
| 3127 | Kindergarten | data structures dp greedy | Statement | D | Codeforces Round 276 (Div. 1) {484} | PROGRAMMING | Codeforces Round #276 — Editorial | 2400 | |
| 3265 | Sign on Fence | binary search constructive algorithms data structures | Statement | E | Codeforces Round 276 (Div. 1) {484} | PROGRAMMING | Codeforces Round #276 — Editorial | 2700 | |
| 2775 | LIS of Sequence | data structures dp greedy hashing math | Statement | E | Codeforces Round 277 (Div. 2) {486} | PROGRAMMING | Codeforces Round #277(Div. 2) Editorial | 2400 | |
| 4422 | Strip | binary search data structures dp two pointers | Statement | B | Codeforces Round 278 (Div. 1) {487} | PROGRAMMING | Tutorial | 2300 | |
| 1066 | Conveyor Belts | data structures | Statement | D | Codeforces Round 278 (Div. 1) {487} | PROGRAMMING | Tutorial | 2700 | |
| 3083 | Tourists | data structures dfs and similar graphs trees | Statement | E | Codeforces Round 278 (Div. 1) {487} | PROGRAMMING | Tutorial | 3100 | |
| 1967 | Treeland Tour | data structures dfs and similar dp trees | Statement | F | Codeforces Round 279 (Div. 2) {490} | PROGRAMMING | Codeforces Round #279 (Div. 2) Editorial | 2500 | |
| 7604 | Vasya and Basketball | binary search brute force data structures implementation sortings two pointers | Statement | C | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1700 | |
| 717 | Birthday | data structures dfs and similar dp trees | Statement | D | Codeforces Round 282 (Div. 1) {494} | PROGRAMMING | 15148 | 2700 | |
| 552 | Sharti | data structures games | Statement | E | Codeforces Round 282 (Div. 1) {494} | PROGRAMMING | 15148 | 3200 | |
| 1283 | Traffic Jams in the Land | data structures dp number theory | Statement | D | Codeforces Round 284 (Div. 1) {498} | PROGRAMMING | Codeforces Round #284 Editorial | 2400 | |
| 1627 | New Year Domino | data structures dp dsu | Statement | E | Good Bye 2014 {500} | PROGRAMMING | Tutorial 2 | 2200 | |
| 19888 | Misha and Changing Handles | data structures dsu strings | Statement | B | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | Tutorial | 1100 | |
| 6123 | Misha and Forest | constructive algorithms data structures greedy sortings trees | Statement | C | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | Tutorial | 1700 | |
| 2780 | Misha and Permutations Summation | data structures | Statement | D | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | Разбор задач Codeforces Round #285 | 2300 | |
| 412 | Constrained Tree | constructive algorithms data structures | Statement | D2 | Rockethon 2015 {513} | PROGRAMMING | 16260 | 2500 | |
| 22894 | Han Solo and Lazer Gun | brute force data structures geometry implementation math | Statement | B | Codeforces Round 291 (Div. 2) {514} | PROGRAMMING | Codeforces Round #291 (Div. 2) Editorial | 1400 | |
| 8573 | Watto and Mechanism | binary search data structures hashing string suffix structures strings | Statement | C | Codeforces Round 291 (Div. 2) {514} | PROGRAMMING | Codeforces Round #291 (Div. 2) Editorial | 1900 | |
| 5708 | R2D2 and Droid Army | binary search data structures two pointers | Statement | D | Codeforces Round 291 (Div. 2) {514} | PROGRAMMING | Codeforces Round #291 (Div. 2) Editorial | 2100 | |
| 2544 | Drazil and Park | data structures | Statement | E | Codeforces Round 292 (Div. 2) {515} | PROGRAMMING | Codeforces Round #292 Editorial | 2600 | |
| 6415 | Anya and Smartphone | constructive algorithms data structures implementation | Statement | C | Codeforces Round 293 (Div. 2) {518} | PROGRAMMING | 1600 | ||
| 44497 | A and B and Compilation Errors | data structures implementation sortings | Statement | B | Codeforces Round 294 (Div. 2) {519} | PROGRAMMING | 1200 | ||
| 6950 | A and B and Interesting Substrings | data structures dp two pointers | Statement | D | Codeforces Round 294 (Div. 2) {519} | PROGRAMMING | Editorial | 1900 | |
| 9046 | A and B and Lecture Rooms | binary search data structures dfs and similar dp trees | Statement | E | Codeforces Round 294 (Div. 2) {519} | PROGRAMMING | 2300 | ||
| 9633 | Photo to Remember | *special data structures dp implementation | Statement | B | VK Cup 2015 - Qualification Round 1 {522} | PROGRAMMING | Разбор задач VK Cup 2015 — Квалификация 1 | 1700 | |
| 4227 | Closest Equals | *special data structures | Statement | D | VK Cup 2015 - Qualification Round 1 {522} | PROGRAMMING | Разбор задач VK Cup 2015 — Квалификация 1 | 2200 | |
| 2610 | Statistics of Recompressing Videos | *special data structures implementation | Statement | D | VK Cup 2015 - Qualification Round 2 {523} | PROGRAMMING | Разбор задач VK Cup 2015 — Квалификация 2 | 1900 | |
| 1372 | Rooks and Rectangles | data structures sortings | Statement | E | VK Cup 2015 - Round 1 {524} | PROGRAMMING | 2400 | ||
| 647 | And Yet Another Bracket Sequence | data structures greedy hashing string suffix structures strings | Statement | F | VK Cup 2015 - Round 1 {524} | PROGRAMMING | VK Cup Round 1 (+ online mirror) editorial | 2700 | |
| 2327 | Arthur and Walls | constructive algorithms data structures graphs greedy shortest paths | Statement | D | Codeforces Round 297 (Div. 2) {525} | PROGRAMMING | Codeforces Round #297 (Div.2) Editorial | 2300 | |
| 3711 | Pudding Monsters | data structures divide and conquer | Statement | F | ZeptoLab Code Rush 2015 {526} | PROGRAMMING | ZeptoLab Code Rush 2015 — Editorial | 2900 | |
| 7681 | Glass Carving | binary search data structures implementation | Statement | C | Codeforces Round 296 (Div. 2) {527} | PROGRAMMING | Codeforces Round #296 Editorial | 1800 | |
| 5139 | Clique Problem | data structures dp greedy implementation sortings | Statement | D | Codeforces Round 296 (Div. 2) {527} | PROGRAMMING | Codeforces Round #296 Editorial | 2100 | |
| 682 | Berland Miners | binary search data structures dfs and similar greedy trees | Statement | A | VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} | PROGRAMMING | 3000 | ||
| 376 | Landmarks | data structures dp | Statement | D | VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} | PROGRAMMING | 3000 | ||
| 2587 | Handshakes | binary search constructive algorithms data structures greedy | Statement | D | Codeforces Round 298 (Div. 2) {534} | PROGRAMMING | 2000 | ||
| 571 | Tavas on the Path | data structures divide and conquer trees | Statement | E | Codeforces Round 299 (Div. 1) {536} | PROGRAMMING | Codeforces Round #299 Editorial | 3100 | |
| 1890 | A Heap of Heaps | brute force data structures math sortings | Statement | F | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 2200 | |
| 887 | Summer Dichotomy | 2-sat data structures dfs and similar greedy | Statement | H | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 3100 | |
| 2611 | Infinite Inversions | binary search data structures implementation sortings trees | Statement | E | Codeforces Round 301 (Div. 2) {540} | PROGRAMMING | Tutorial | 2400 | |
| 660 | Place Your Ad Here | data structures sortings | Statement | A | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) {542} | PROGRAMMING | 17697 | 2500 | |
| 278 | Duck Hunt | data structures | Statement | B | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) {542} | PROGRAMMING | 17697 | 3200 | |
| 362 | Listening to Music | constructive algorithms data structures | Statement | E | Codeforces Round 302 (Div. 1) {543} | PROGRAMMING | Editorial Codeforces Round #302 | 3200 | |
| 11717 | Mike and Feet | binary search data structures dp dsu | Statement | B | Codeforces Round 305 (Div. 1) {547} | PROGRAMMING | Codeforces Round #305 Editorial | 2100 | |
| 2810 | Mike and Friends | data structures string suffix structures strings trees | Statement | E | Codeforces Round 305 (Div. 1) {547} | PROGRAMMING | Codeforces Round #305 Editorial | 2800 | |
| 1099 | Yura and Developers | data structures divide and conquer | Statement | F | Looksery Cup 2015 {549} | PROGRAMMING | Looksery Cup 2015 Editorial | 2700 | |
| 2263 | GukiZ and GukiZiana | binary search data structures implementation | Statement | E | Codeforces Round 307 (Div. 2) {551} | PROGRAMMING | Tutorial | 2600 | |
| 4893 | Vanya and Triangles | brute force combinatorics data structures geometry math sortings | Statement | D | Codeforces Round 308 (Div. 2) {552} | PROGRAMMING | Codeforces #308 (Div. 2) Editorial | 1900 | |
| 4162 | Case of Fugitive | data structures greedy sortings | Statement | B | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | Codeforces Round #310 Editorial | 2100 | |
| 2108 | Case of Chocolate | data structures | Statement | C | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | Codeforces Round #310 Editorial | 2500 | |
| 4262 | Arthur and Table | brute force data structures dp greedy math sortings | Statement | C | Codeforces Round 311 (Div. 2) {557} | PROGRAMMING | Codeforces Round #311 (Div.2) Editorial | 1900 | |
| 1260 | Ann and Half-Palindrome | data structures dp graphs string suffix structures strings trees | Statement | E | Codeforces Round 311 (Div. 2) {557} | PROGRAMMING | Codeforces Round #311 (Div.2) Editorial | 2700 | |
| 1237 | Guess Your Way Out! II | data structures implementation sortings | Statement | D | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2500 | |
| 7811 | A Simple Task | data structures sortings strings | Statement | E | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2600 | |
| 4150 | Restructuring Company | data structures dsu | Statement | D | VK Cup 2015 - Finals, online mirror {566} | PROGRAMMING | Editorial for VK Cup 2015 — Finals | 1900 | |
| 10596 | Geometric Progression | binary search data structures dp | Statement | C | Codeforces Round #Pi (Div. 2) {567} | PROGRAMMING | Editorial Codeforces Round #Pi | 1700 | |
| 5350 | One-Dimensional Battle Ships | binary search data structures greedy sortings | Statement | D | Codeforces Round #Pi (Div. 2) {567} | PROGRAMMING | Editorial Codeforces Round #Pi | 1800 | |
| 690 | Longest Increasing Subsequence | data structures dp | Statement | E | Codeforces Round 315 (Div. 1) {568} | PROGRAMMING | Codeforces Round #315 Editorial | 3000 | |
| 9625 | Replacement | constructive algorithms data structures implementation | Statement | C | Codeforces Round 316 (Div. 2) {570} | PROGRAMMING | Codeforces Round #316 Editorial | 1600 | |
| 1241 | Campus | binary search data structures dsu trees | Statement | D | Codeforces Round 317 [AimFund Thanks-Round] (Div. 1) {571} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 3000 | |
| 9127 | Order Book | data structures greedy implementation sortings | Statement | B | Codeforces Round 317 [AimFund Thanks-Round] (Div. 2) {572} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 1400 | |
| 6451 | Bear and Blocks | binary search data structures dp math | Statement | B | Codeforces Round 318 [RussianCodeCup Thanks-Round] (Div. 1) {573} | PROGRAMMING | Codeforces Round #318 [RussianCodeCup Thanks-Round] Editorial | 1800 | |
| 891 | Bear and Cavalry | data structures divide and conquer dp | Statement | D | Codeforces Round 318 [RussianCodeCup Thanks-Round] (Div. 1) {573} | PROGRAMMING | Codeforces Round #318 [RussianCodeCup Thanks-Round] Editorial | 2900 | |
| 2157 | Bear and Bowling | data structures greedy | Statement | E | Codeforces Round 318 [RussianCodeCup Thanks-Round] (Div. 1) {573} | PROGRAMMING | Codeforces Round #318 [RussianCodeCup Thanks-Round] Editorial | 3100 | |
| 895 | Fibonotci | data structures math matrices | Statement | A | Bubble Cup 8 - Finals [Online Mirror] {575} | PROGRAMMING | Bubble Cup finals 2015 Results and Editorial | 2800 | |
| 602 | Robots protection | data structures | Statement | I | Bubble Cup 8 - Finals [Online Mirror] {575} | PROGRAMMING | Bubble Cup finals 2015 Results and Editorial | 3000 | |
| 1607 | Painting Edges | binary search data structures | Statement | E | Codeforces Round 319 (Div. 1) {576} | PROGRAMMING | Editorial Codeforces Round #319 | 3200 | |
| 15876 | Modulo Sum | combinatorics data structures dp two pointers | Statement | B | Codeforces Round 319 (Div. 2) {577} | PROGRAMMING | Editorial Codeforces Round #319 | 1800 | |
| 2730 | Kefa and Watch | data structures hashing strings | Statement | E | Codeforces Round 321 (Div. 2) {580} | PROGRAMMING | Codeforces Round #321 Editorial | 2700 | |
| 5033 | Duff in the Army | data structures trees | Statement | C | Codeforces Round 326 (Div. 1) {587} | PROGRAMMING | Codeforces Round #326 (Editorial) | 2200 | |
| 1068 | Duff as a Queen | data structures | Statement | E | Codeforces Round 326 (Div. 1) {587} | PROGRAMMING | Codeforces Round #326 (Editorial) | 2800 | |
| 1555 | Duff is Mad | data structures strings | Statement | F | Codeforces Round 326 (Div. 1) {587} | PROGRAMMING | Codeforces Round #326 (Editorial) | 3000 | |
| 1478 | Happy Tree Party | data structures dfs and similar graphs math trees | Statement | D | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2300 | ||
| 2144 | REQ | data structures number theory | Statement | D | Codeforces Round 330 (Div. 1) {594} | PROGRAMMING | Codeforces Round #330 (Div.1 + Div.2) Editorial | 2500 | |
| 7115 | Subsequences | data structures dp | Statement | C | Testing Round 12 {597} | PROGRAMMING | 1900 | ||
| 41440 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 19657 | Lomsat gelral | data structures dfs and similar dsu trees | Statement | E | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 2300 | |
| 2473 | Lipshitz Sequence | data structures math | Statement | B | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2200 | |
| 1282 | Acyclic Organic Compounds | data structures dfs and similar dsu hashing strings trees | Statement | D | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2400 | |
| 1290 | A Museum Robbery | data structures dp | Statement | E | Codeforces Round 333 (Div. 1) {601} | PROGRAMMING | Codeforces Round #333 — editorial | 2800 | |
| 1620 | Pastoral Oddities | data structures divide and conquer dsu math trees | Statement | E | Codeforces Round 334 (Div. 1) {603} | PROGRAMMING | Codeforces Round #334 Bonus Editorial: More Ideas on Div. 1 E | 2900 | |
| 3902 | Lazy Student | constructive algorithms data structures graphs | Statement | B | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 1800 | |
| 977 | Board Game | data structures dfs and similar | Statement | D | Codeforces Round 335 (Div. 1) {605} | PROGRAMMING | Codeforces Round #335 Problem Analysis | 2400 | |
| 690 | Power Tree | data structures trees | Statement | D | Codeforces Round 336 (Div. 1) {607} | PROGRAMMING | Codeforces Round #336 Editorial | 2600 | |
| 11006 | Minimum spanning tree for each edge | data structures dfs and similar dsu graphs trees | Statement | E | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 2100 | |
| 1684 | Frogs and mosquitoes | data structures greedy | Statement | F | Educational Codeforces Round 3 {609} | PROGRAMMING | 2500 | ||
| 1787 | Vika and Segments | constructive algorithms data structures geometry two pointers | Statement | D | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 2300 | |
| 1099 | Alphabet Permutations | data structures strings | Statement | E | Codeforces Round 337 (Div. 2) {610} | PROGRAMMING | Codeforces Round #337 (Div.2) Editorial | 2700 | |
| 931 | New Year and Three Musketeers | data structures greedy sortings | Statement | E | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2300 | |
| 10250 | Replace To Make Regular Bracket Sequence | data structures expression parsing math | Statement | C | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1500 | |
| 13251 | Longest k-Good Segment | binary search data structures two pointers | Statement | D | Educational Codeforces Round 5 {616} | PROGRAMMING | Editorial of Educational Codeforces Round 5 | 1700 | |
| 11199 | XOR and Favorite Number | data structures | Statement | E | Codeforces Round 340 (Div. 2) {617} | PROGRAMMING | Tutorial | 2300 | |
| 728 | Robot Arm | data structures geometry | Statement | E | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 2500 | |
| 7623 | New Year Tree | bitmasks data structures trees | Statement | E | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2100 | |
| 919 | Xors on Segments | data structures | Statement | F | Educational Codeforces Round 6 {620} | PROGRAMMING | Editorial of Educational Codeforces Round 6 | 2700 | |
| 7646 | Not Equal on a Segment | data structures implementation | Statement | C | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 1700 | |
| 423 | Frog Fights | data structures greedy | Statement | E | Codeforces Round 342 (Div. 2) {625} | PROGRAMMING | Codeforces Round #342 (Div. 2) : editorial | 2900 | |
| 937 | Raffles | data structures dp greedy math | Statement | G | 8VC Venture Cup 2016 - Elimination Round {626} | PROGRAMMING | 23522 | 3000 | |
| 3497 | Factory Repairs | data structures | Statement | B | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 1700 | |
| 1363 | Package Delivery | data structures divide and conquer greedy | Statement | C | 8VC Venture Cup 2016 - Final Round {627} | PROGRAMMING | 8VC Venture Cup 2016 — Final Round Editorial | 2300 | |
| 1121 | Zbazi in Zeydabad | data structures implementation | Statement | E | Educational Codeforces Round 8 {628} | PROGRAMMING | 43203 | 2300 | |
| 4633 | Babaei and Birthday Cake | data structures dp | Statement | D | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 1900 | |
| 1211 | Famil Door and Roads | combinatorics data structures dfs and similar dp probabilities trees | Statement | E | Codeforces Round 343 (Div. 2) {629} | PROGRAMMING | Editorial of Codeforces Round #343 (Div.2) | 2400 | |
| 4484 | Report | data structures sortings | Statement | C | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1700 | |
| 2502 | Messenger | data structures hashing implementation string suffix structures strings | Statement | D | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 2100 | |
| 3397 | Product Sum | data structures dp geometry | Statement | E | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 2500 | |
| 3480 | Spy Syndrome 2 | data structures dp hashing implementation sortings string suffix structures strings | Statement | C | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1900 | |
| 660 | Startup Funding | binary search constructive algorithms data structures probabilities two pointers | Statement | E | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2400 | |
| 982 | Yash And Trees | bitmasks data structures dfs and similar math number theory | Statement | G | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2700 | |
| 829 | Fibonacci-ish II | data structures implementation | Statement | H | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 2800 | |
| 24694 | Chat Order | *special binary search constructive algorithms data structures sortings | Statement | B | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 2138 | Running with Obstacles | *special data structures dp greedy | Statement | D | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 2000 | ||
| 1104 | Bear and Contribution | data structures greedy sortings | Statement | D | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2500 | |
| 632 | Bear and Chemistry | data structures dfs and similar graphs trees | Statement | F | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 3300 | |
| 3991 | Little Artem and Time Machine | data structures | Statement | E | VK Cup 2016 - Round 2 {641} | PROGRAMMING | VK Cup 2016 — Раунд 2 (editorial) | 2000 | |
| 1319 | Choosing Ads | data structures | Statement | G | VK Cup 2016 - Round 3 {643} | PROGRAMMING | VK Cup 2016 — Round 3 — Editorial | 3100 | |
| 2869 | Processing Queries | *special constructive algorithms data structures two pointers | Statement | B | CROC 2016 - Qualification {644} | PROGRAMMING | 2200 | ||
| 1028 | Hostname Aliases | *special binary search data structures implementation sortings strings | Statement | C | CROC 2016 - Qualification {644} | PROGRAMMING | 2300 | ||
| 185 | Автобус | binary search data structures greedy sortings | Statement | E | Технокубок 2016 - Отборочный Раунд 2 {649} | PROGRAMMING | 2500.0 | 2100 | |
| 16799 | Watchmen | data structures geometry math | Statement | A | Codeforces Round 345 (Div. 1) {650} | PROGRAMMING | Codeforces Round #345: editorial | 1500 | |
| 1735 | Zip-line | binary search data structures dp hashing | Statement | D | Codeforces Round 345 (Div. 1) {650} | PROGRAMMING | Codeforces Round #345: editorial | 2600 | |
| 1088 | Clockwork Bomb | data structures dfs and similar dsu greedy trees | Statement | E | Codeforces Round 345 (Div. 1) {650} | PROGRAMMING | Codeforces Round #345: editorial | 3100 | |
| 5046 | Nested Segments | data structures sortings | Statement | D | Educational Codeforces Round 10 {652} | PROGRAMMING | Editorial of Educational Codeforces Round 10 | 1900 | |
| 1259 | Paper task | data structures string suffix structures strings | Statement | F | IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} | PROGRAMMING | IndiaHacks Finals 2016 — Editorial | 2500 | |
| 8124 | New Reform | data structures dfs and similar dsu graphs greedy | Statement | E | Codeforces Round 346 (Div. 2) {659} | PROGRAMMING | Editorial for Codeforces Round #346 (Div. 2) | 1600 | |
| 2502 | Bear and Bowling 4 | binary search data structures geometry ternary search | Statement | F | Educational Codeforces Round 11 {660} | PROGRAMMING | Editorial of Educational Codeforces Round 11 | 2500 | |
| 4839 | Beautiful Subarrays | data structures divide and conquer | Statement | E | Educational Codeforces Round 12 {665} | PROGRAMMING | Editorial | 2200 | |
| 1748 | Forensic Examination | data structures string suffix structures | Statement | E | Codeforces Round 349 (Div. 1) {666} | PROGRAMMING | Codeforces Round #349 Editorial | 3100 | |
| 3502 | Correct Bracket Sequence Editor | data structures dsu strings | Statement | E | Codeforces Round 350 (Div. 2) {670} | PROGRAMMING | Codeforces Round #350 (Div.2) Editorial | 1700 | |
| 869 | Ultimate Weirdness of an Array | data structures number theory | Statement | C | Codeforces Round 352 (Div. 1) {671} | PROGRAMMING | Codeforces Round #352 Editorial | 2700 | |
| 1401 | Roads in Yusland | data structures dp greedy | Statement | D | Codeforces Round 352 (Div. 1) {671} | PROGRAMMING | Codeforces Round #352 Editorial | 2800 | |
| 508 | Organizing a Race | data structures greedy | Statement | E | Codeforces Round 352 (Div. 1) {671} | PROGRAMMING | Codeforces Round #352 Editorial | 3300 | |
| 4338 | Дерево | data structures trees | Statement | D | Codeforces Round 353 (Div. 2) {675} | PROGRAMMING | Tutorial | 1800 | |
| 3910 | Money Transfers | constructive algorithms data structures greedy sortings | Statement | C | Codeforces Round 353 (Div. 2) {675} | PROGRAMMING | Tutorial | 2000 | |
| 3461 | Trains and Statistic | data structures dp greedy | Statement | E | Codeforces Round 353 (Div. 2) {675} | PROGRAMMING | Tutorial | 2500 | |
| 2119 | Vanya and Treasure | data structures dp graphs shortest paths | Statement | D | Codeforces Round 355 (Div. 2) {677} | PROGRAMMING | Codeforces Round #355 (Div. 2) Editorial | 2300 | |
| 1116 | Lena and Queries | data structures divide and conquer geometry | Statement | F | Educational Codeforces Round 13 {678} | PROGRAMMING | Editorial | 2600 | |
| 950 | Bear and Bad Powers of 42 | data structures | Statement | E | Codeforces Round 356 (Div. 1) {679} | PROGRAMMING | Codeforces Round #356 — Editorial | 3100 | |
| 10738 | Heap Operations | constructive algorithms data structures greedy | Statement | C | Codeforces Round 357 (Div. 2) {681} | PROGRAMMING | 45425 | 1600 | |
| 5728 | Kay and Snowflake | data structures dfs and similar dp trees | Statement | B | Codeforces Round 359 (Div. 1) {685} | PROGRAMMING | Codeforces Round #359 Editorial | 2000 | |
| 1168 | Dividing Kingdom II | brute force data structures dsu graphs sortings | Statement | D | Codeforces Round 360 (Div. 1) {687} | PROGRAMMING | Codeforces Round #360 Editorial [+ Challenges!] | 2500 | |
| 4391 | Friends and Subsequences | binary search data structures | Statement | D | Codeforces Round 361 (Div. 2) {689} | PROGRAMMING | Tutorial | 2200 | |
| 2355 | Mike and Geometry Problem | combinatorics data structures dp geometry implementation | Statement | E | Codeforces Round 361 (Div. 2) {689} | PROGRAMMING | Tutorial | 2300 | |
| 6522 | Lorenzo Von Matterhorn | brute force data structures implementation trees | Statement | A | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 1500 | |
| 1713 | Legen... | data structures dp matrices strings | Statement | D | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 2700 | |
| 769 | ...Wait for it... | data structures dsu trees | Statement | E | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 2900 | |
| 608 | Huffman Coding on Segment | data structures greedy | Statement | D | Codeforces Round 364 (Div. 1) {700} | PROGRAMMING | 46283 | 3000 | |
| 12670 | Cells Not Under Attack | data structures math | Statement | B | Codeforces Round 364 (Div. 2) {701} | PROGRAMMING | Codeforces Round #364 problem analysis | 1200 | |
| 14041 | Powers of Two | brute force data structures implementation math | Statement | B | Educational Codeforces Round 15 {702} | PROGRAMMING | 46324 | 1500 | |
| 3298 | Analysis of Pathes in Functional Graph | data structures graphs | Statement | E | Educational Codeforces Round 15 {702} | PROGRAMMING | 46324 | 2100 | |
| 2024 | T-Shirts | data structures | Statement | F | Educational Codeforces Round 15 {702} | PROGRAMMING | 2800 | ||
| 4253 | Mishka and Interesting sum | data structures | Statement | D | Codeforces Round 365 (Div. 2) {703} | PROGRAMMING | Codeforces Round #365 (Div. 2) Editorial | 2100 | |
| 10378 | Thor | brute force data structures implementation | Statement | A | Codeforces Round 366 (Div. 1) {704} | PROGRAMMING | Tutorial | 1600 | |
| 406 | Iron Man | data structures geometry trees | Statement | E | Codeforces Round 366 (Div. 1) {704} | PROGRAMMING | Tutorial | 3500 | |
| 13281 | Vasiliy's Multiset | binary search bitmasks data structures trees | Statement | D | Codeforces Round 367 (Div. 2) {706} | PROGRAMMING | Tutorial | 1800 | |
| 1303 | Working routine | data structures implementation | Statement | E | Codeforces Round 367 (Div. 2) {706} | PROGRAMMING | Tutorial | 2600 | |
| 3146 | Persistent Bookcase | bitmasks data structures dfs and similar implementation | Statement | D | Codeforces Round 368 (Div. 2) {707} | PROGRAMMING | 46662 | 2100 | |
| 1700 | Garlands | data structures | Statement | E | Codeforces Round 368 (Div. 2) {707} | PROGRAMMING | 46662 | 2500 | |
| 4643 | Centroids | data structures dfs and similar dp graphs greedy trees | Statement | C | AIM Tech Round 3 (Div. 1) {708} | PROGRAMMING | Editorial | 2500 | |
| 2725 | String Set Queries | brute force data structures hashing string suffix structures strings | Statement | F | Educational Codeforces Round 16 {710} | PROGRAMMING | Editorial of Educational Codeforces Round 16 | 2700 | |
| 762 | Memory and Casinos | data structures math probabilities | Statement | E | Codeforces Round 370 (Div. 2) {712} | PROGRAMMING | Codeforces Round #370 Editorial | 2700 | |
| 8917 | Sonya and Queries | data structures implementation | Statement | A | Codeforces Round 371 (Div. 1) {713} | PROGRAMMING | Codeforces Round #371 Editorial | 1500 | |
| 1447 | Animals and Puzzle | binary search data structures | Statement | D | Codeforces Round 371 (Div. 1) {713} | PROGRAMMING | Codeforces Round #371 Editorial | 2700 | |
| 420 | Heroes of Making Magic III | data structures | Statement | F | Bubble Cup 9 - Finals [Online Mirror] {717} | PROGRAMMING | Tutorial | 2700 | |
| 5032 | Sasha and Array | data structures math matrices | Statement | C | Codeforces Round 373 (Div. 1) {718} | PROGRAMMING | Codeforces Round #373 — Editorial | 2300 | |
| 217 | Array Covering | data structures | Statement | F | Russian Code Cup 2016 - Finals [Unofficial Mirror, Div. 1 Only Recommended] {720} | PROGRAMMING | Russian Code Cup 2016 — Results and Tutorial | 3100 | |
| 337 | Slalom | data structures dp sortings | Statement | D | Russian Code Cup 2016 - Finals [Unofficial Mirror, Div. 1 Only Recommended] {720} | PROGRAMMING | Russian Code Cup 2016 — Results and Tutorial | 3100 | |
| 2535 | Maxim and Array | constructive algorithms data structures greedy math | Statement | D | Codeforces Round 374 (Div. 2) {721} | PROGRAMMING | Codeforces Round #374 (Div. 2) Editorial | 2000 | |
| 11942 | Destroying Array | data structures dsu | Statement | C | Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) {722} | PROGRAMMING | Tutorial | 1600 | |
| 3381 | Generating Sets | binary search data structures dfs and similar greedy strings trees | Statement | D | Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) {722} | PROGRAMMING | Tutorial | 1900 | |
| 668 | Cyclic Cipher | chinese remainder theorem data structures implementation number theory two pointers | Statement | F | Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) {722} | PROGRAMMING | Tutorial | 2800 | |
| 2496 | Dense Subsequence | data structures greedy strings | Statement | D | Intel Code Challenge Final Round (Div. 1 + Div. 2, Combined) {724} | PROGRAMMING | Tutorial | 1900 | |
| 3151 | Contest Balloons | data structures greedy | Statement | D | Canada Cup 2016 {725} | PROGRAMMING | 1800 | ||
| 1664 | Games on a CD | data structures hashing string suffix structures strings | Statement | E | Technocup 2017 - Elimination Round 1 (Unofficially Open for Everyone, Rated for Div. 2) {727} | PROGRAMMING | Tutorial | 2300 | |
| 2426 | Subordinates | constructive algorithms data structures graphs greedy sortings | Statement | E | Technocup 2017 - Elimination Round 2 {729} | PROGRAMMING | Technocup 2017 — Elimination Round 2 (and Codeforces Round 380) Editorial | 2000 | |
| 3201 | Video Cards | brute force data structures implementation math number theory | Statement | F | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 1900 | |
| 1308 | 80-th Level Archeology | brute force data structures greedy sortings | Statement | D | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 2200 | |
| 4382 | Kostya the Sculptor | data structures hashing | Statement | D | Codeforces Round 378 (Div. 2) {733} | PROGRAMMING | Codeforces Round #378 (Div. 2) editorial | 1600 | |
| 1132 | Sleep in Class | constructive algorithms data structures math two pointers | Statement | E | Codeforces Round 378 (Div. 2) {733} | PROGRAMMING | Codeforces Round #378 (Div. 2) editorial | 2500 | |
| 1423 | Drivers Dissatisfaction | data structures dsu graphs trees | Statement | F | Codeforces Round 378 (Div. 2) {733} | PROGRAMMING | Codeforces Round #378 (Div. 2) editorial | 2500 | |
| 5287 | Alyona and a tree | binary search data structures dfs and similar graphs trees | Statement | B | Codeforces Round 381 (Div. 1) {739} | PROGRAMMING | 48582 | 2000 | |
| 1801 | Alyona and towers | data structures | Statement | C | Codeforces Round 381 (Div. 1) {739} | PROGRAMMING | 48582 | 2500 | |
| 2871 | Gosha is hunting | brute force data structures dp flows math probabilities sortings | Statement | E | Codeforces Round 381 (Div. 1) {739} | PROGRAMMING | 48582 | 2900 | |
| 3913 | Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths | data structures dfs and similar trees | Statement | D | Codeforces Round 383 (Div. 1) {741} | PROGRAMMING | Codeforces Round #383 editorial | 2700 | |
| 244 | Arpa’s abnormal DNA and Mehrdad’s deep interest | data structures string suffix structures | Statement | E | Codeforces Round 383 (Div. 1) {741} | PROGRAMMING | Codeforces Round #383 editorial | 3300 | |
| 935 | Music in Car | data structures greedy two pointers | Statement | F | Codeforces Round 386 (Div. 2) {746} | PROGRAMMING | Codeforces Round #386 (Div.2) Editorial | 2500 | |
| 1679 | Santa Claus and Tangerines | binary search data structures greedy two pointers | Statement | E | Technocup 2017 - Elimination Round 3 {748} | PROGRAMMING | Codeforces Round 389 (Div.2) Editorial | 2000 | |
| 2091 | Santa Claus and a Palindrome | constructive algorithms data structures greedy | Statement | D | Technocup 2017 - Elimination Round 3 {748} | PROGRAMMING | Codeforces Round 389 (Div.2) Editorial | 2000 | |
| 2855 | Leaving Auction | binary search data structures | Statement | D | Codeforces Round 388 (Div. 2) {749} | PROGRAMMING | 2000 | ||
| 1302 | Inversions After Shuffle | data structures probabilities | Statement | E | Codeforces Round 388 (Div. 2) {749} | PROGRAMMING | Tutorial | 2600 | |
| 3180 | New Year and Fireworks | brute force data structures dfs and similar dp implementation | Statement | D | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 1900 | |
| 1978 | New Year and Old Subsequence | data structures divide and conquer dp matrices | Statement | E | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 2600 | |
| 2737 | Fedor and coupons | binary search data structures greedy sortings | Statement | D | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | 2000 | ||
| 13107 | PolandBall and Game | binary search data structures games greedy sortings strings | Statement | B | 8VC Venture Cup 2017 - Elimination Round {755} | PROGRAMMING | 8VC Venture Cup 2017 — Elimination Round [Editorial] | 1200 | |
| 2725 | PolandBall and Polygon | data structures | Statement | D | 8VC Venture Cup 2017 - Elimination Round {755} | PROGRAMMING | 8VC Venture Cup 2017 — Elimination Round [Editorial] | 2000 | |
| 1519 | Nikita and stack | data structures | Statement | C | 8VC Venture Cup 2017 - Final Round {756} | PROGRAMMING | 8VC Venture Cup 2017 — Final Round and Codeforces Round #393 Editorial | 2300 | |
| 2482 | Felicity is Coming! | data structures hashing sortings strings | Statement | C | Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} | PROGRAMMING | CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial | 1900 | |
| 663 | Can Bash Save the Day? | data structures divide and conquer graphs trees | Statement | G | Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} | PROGRAMMING | CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial | 2500 | |
| 1568 | Team Rocket Rises Again | data structures graphs shortest paths | Statement | F | Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} | PROGRAMMING | CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial | 2700 | |
| 754 | Dasha and Photos | brute force data structures dp implementation | Statement | F | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 2900 | |
| 1728 | Radio stations | binary search data structures | Statement | E | Educational Codeforces Round 17 {762} | PROGRAMMING | Tutorial | 2400 | |
| 640 | Timofey and our friends animals | data structures divide and conquer dsu | Statement | E | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 2800 | |
| 710 | Timofey and a flat tree | data structures graphs hashing shortest paths trees | Statement | D | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 2800 | |
| 2797 | Souvenirs | data structures | Statement | F | Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {765} | PROGRAMMING | Codeforces Round #397 Editorial | 2500 | |
| 4045 | Mahmoud and a Dictionary | data structures dfs and similar dp dsu graphs | Statement | D | Codeforces Round 396 (Div. 2) {766} | PROGRAMMING | Codeforces round #396 editorial | 2000 | |
| 3645 | Mahmoud and a xor trip | bitmasks constructive algorithms data structures dfs and similar dp math trees | Statement | E | Codeforces Round 396 (Div. 2) {766} | PROGRAMMING | Codeforces round #396 editorial | 2200 | |
| 23057 | Snacktower | data structures implementation | Statement | A | Codeforces Round 398 (Div. 2) {767} | PROGRAMMING | Codeforces Round #398 (Div. 2) Editorial | 1200 | |
| 2451 | Cartons of milk | binary search data structures greedy sortings two pointers | Statement | D | Codeforces Round 398 (Div. 2) {767} | PROGRAMMING | Codeforces Round #398 (Div. 2) Editorial | 2000 | |
| 573 | The Winds of Winter | binary search data structures | Statement | G | Divide by Zero 2017 and Codeforces Round 399 (Div. 1 + Div. 2, combined) {768} | PROGRAMMING | Editorial Divide by Zero and Codeforces Round #399 (Div. 1+2, combined) | 3000 | |
| 609 | Blog Post Rating | data structures sortings | Statement | E | VK Cup 2017 - Round 3 {773} | PROGRAMMING | VK Cup 2017 Round 3 + Codeforces Round #412 -- Tutorial | 2900 | |
| 331 | Significant Cups | *special binary search data structures two pointers | Statement | B | VK Cup 2017 - Wild Card Round 1 {774} | PROGRAMMING | VK Cup 2017 — Уайлд-кард раунд 1 — Разбор | 2300 | |
| 6323 | Molly's Chemicals | binary search brute force data structures implementation math | Statement | C | ICM Technex 2017 and Codeforces Round 400 (Div. 1 + Div. 2, combined) {776} | PROGRAMMING | ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) Editorial | 1800 | |
| 565 | Sherlock's bet to Moriarty | constructive algorithms data structures divide and conquer geometry graphs implementation trees | Statement | F | ICM Technex 2017 and Codeforces Round 400 (Div. 1 + Div. 2, combined) {776} | PROGRAMMING | ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) Editorial | 2700 | |
| 10050 | Game of Credit Cards | data structures dp greedy sortings | Statement | B | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 1300 | |
| 6920 | Alyona and Spreadsheet | binary search data structures dp greedy implementation two pointers | Statement | C | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 1600 | |
| 4929 | Hanoi Factory | brute force data structures dp greedy sortings | Statement | E | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 2000 | |
| 799 | Andryusha and Nervous Barriers | data structures dp | Statement | G | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 2700 | |
| 2301 | Anton and Permutation | brute force data structures | Statement | E | Codeforces Round 404 (Div. 2) {785} | PROGRAMMING | 2300 | ||
| 3984 | Till I Collapse | data structures divide and conquer | Statement | C | Codeforces Round 406 (Div. 1) {786} | PROGRAMMING | Codeforces Round #406 Editorial | 2600 | |
| 8534 | Legacy | data structures graphs shortest paths | Statement | B | Codeforces Round 406 (Div. 1) {786} | PROGRAMMING | Codeforces Round #406 Editorial | 2600 | |
| 916 | ALT | data structures flows graphs trees | Statement | E | Codeforces Round 406 (Div. 1) {786} | PROGRAMMING | Codeforces Round #406 Editorial | 3200 | |
| 197 | Rap God | data structures dfs and similar hashing strings trees | Statement | D | Codeforces Round 406 (Div. 1) {786} | PROGRAMMING | Codeforces Round #406 Editorial | 3300 | |
| 449 | New task | data structures | Statement | E | Codeforces Round 407 (Div. 1) {788} | PROGRAMMING | Codeforces Round #407(Div.1 + Div.2) Editorial | 2900 | |
| 430 | Mages and Monsters | data structures geometry | Statement | F | Educational Codeforces Round 18 {792} | PROGRAMMING | Educational Codeforces Round 18 - Editorial | 3100 | |
| 892 | Julia the snail | data structures divide and conquer dp | Statement | F | Tinkoff Challenge - Elimination Round {793} | PROGRAMMING | 51685 | 2900 | |
| 577 | Oleg and chess | data structures divide and conquer flows graph matchings | Statement | G | Tinkoff Challenge - Elimination Round {793} | PROGRAMMING | 51685 | 3100 | |
| 1104 | Leha and security system | data structures | Statement | F | Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2) {794} | PROGRAMMING | 2800 | ||
| 3266 | Bank Hacking | constructive algorithms data structures dp trees | Statement | C | Codeforces Round 408 (Div. 2) {796} | PROGRAMMING | Tutorial | 1900 | |
| 473 | Sequence Recovery | bitmasks data structures greedy | Statement | F | Codeforces Round 408 (Div. 2) {796} | PROGRAMMING | Tutorial | 2800 | |
| 10307 | Minimal string | data structures greedy strings | Statement | C | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 1700 | |
| 6016 | Array Queries | brute force data structures dp | Statement | E | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 2000 | |
| 2309 | Broken BST | data structures dfs and similar | Statement | D | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 2200 | |
| 1554 | Mice and Holes | data structures dp greedy sortings | Statement | F | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 2600 | |
| 574 | Mike and code of a permutation | constructive algorithms data structures graphs sortings | Statement | E | Codeforces Round 410 (Div. 2) {798} | PROGRAMMING | Codeforces Round #410 (Div. 2) Editorial | 2700 | |
| 10297 | T-shirt buying | data structures implementation | Statement | B | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 1400 | |
| 4079 | Fountains | binary search data structures implementation | Statement | C | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 1700 | |
| 1125 | Aquarium decoration | data structures greedy two pointers | Statement | E | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 2500 | |
| 171 | Cut the pie | binary search data structures geometry | Statement | G | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 2600 | |
| 676 | Beautiful fountains rows | data structures | Statement | F | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 3300 | |
| 1352 | Heidi and Library (medium) | data structures greedy | Statement | A2 | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 1800 | |
| 1328 | Heidi and Library (medium) | data structures greedy | Statement | B | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 1900 | |
| 1326 | April Fools' Problem (hard) | binary search data structures flows | Statement | M3 | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 2900 | |
| 1264 | April Fools' Problem (hard) | binary search data structures flows | Statement | O | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 3200 | |
| 1956 | Periodic RMQ Problem | data structures | Statement | G | Educational Codeforces Round 20 {803} | PROGRAMMING | 51768 | 2500 | |
| 16729 | Average Sleep Time | data structures implementation math | Statement | B | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 1300 | |
| 8465 | Array Division | binary search data structures implementation | Statement | D | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 1900 |