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< 1 2 3 4 5 6 7 ... 10 11 12 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 11006 | Text Document Analysis | expression parsing implementation strings | Statement | B | Codeforces Round 375 (Div. 2) {723} | PROGRAMMING | Codeforces Round #375 (Div.2) Editorial | 1100 | |
| 7575 | Lakes in Berland | dfs and similar dsu graphs greedy implementation | Statement | D | Codeforces Round 375 (Div. 2) {723} | PROGRAMMING | 1600 | ||
| 1770 | st-Spanning Tree | dsu graphs greedy implementation | Statement | F | Codeforces Round 375 (Div. 2) {723} | PROGRAMMING | Codeforces Round #375 (Div.2) Editorial | 2200 | |
| 103167 | The New Year: Meeting Friends | implementation math sortings | Statement | A | Codeforces Round 375 (Div. 2) {723} | PROGRAMMING | Codeforces Round #375 (Div.2) Editorial | 800 | |
| 7597 | Checking the Calendar | implementation | Statement | A | Intel Code Challenge Final Round (Div. 1 + Div. 2, Combined) {724} | PROGRAMMING | Tutorial | 1000 | |
| 4262 | Batch Sort | brute force greedy implementation math | Statement | B | Intel Code Challenge Final Round (Div. 1 + Div. 2, Combined) {724} | PROGRAMMING | Tutorial | 1500 | |
| 2289 | Ray Tracing | greedy hashing implementation math number theory sortings | Statement | C | Intel Code Challenge Final Round (Div. 1 + Div. 2, Combined) {724} | PROGRAMMING | Tutorial | 1800 | |
| 7540 | Jumping Ball | implementation | Statement | A | Canada Cup 2016 {725} | PROGRAMMING | Canada Cup Editorial | 1100 | |
| 5364 | Food on the Plane | implementation math | Statement | B | Canada Cup 2016 {725} | PROGRAMMING | 1200 | ||
| 2952 | Hidden Word | brute force constructive algorithms implementation strings | Statement | C | Canada Cup 2016 {725} | PROGRAMMING | Canada Cup Editorial | 1600 | |
| 2137 | Bill Total Value | expression parsing implementation strings | Statement | B | Technocup 2017 - Elimination Round 1 (Unofficially Open for Everyone, Rated for Div. 2) {727} | PROGRAMMING | Tutorial | 1600 | |
| 8143 | Interview with Oleg | implementation strings | Statement | A | Technocup 2017 - Elimination Round 2 {729} | PROGRAMMING | Technocup 2017 — Elimination Round 2 (and Codeforces Round 380) Editorial | 1000 | |
| 8789 | Spotlights | dp implementation | Statement | B | Technocup 2017 - Elimination Round 2 {729} | PROGRAMMING | Technocup 2017 — Elimination Round 2 (and Codeforces Round 380) Editorial | 1300 | |
| 3278 | Delete Them | constructive algorithms implementation | Statement | H | 2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {730} | PROGRAMMING | Разбор задач (видео, по-русски) | 1400 | |
| 2320 | Car Repair Shop | implementation | Statement | G | 2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {730} | PROGRAMMING | Разбор задач (видео, по-русски) | 1700 | |
| 1738 | Toda 2 | greedy implementation | Statement | A | 2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {730} | PROGRAMMING | Разбор задач (видео, по-русски) | 2000 | |
| 898 | Award Ceremony | greedy implementation | Statement | E | 2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {730} | PROGRAMMING | Разбор задач (видео, по-русски) | 2400 | |
| 955 | Running Over The Bridges | greedy implementation math | Statement | D | 2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {730} | PROGRAMMING | Разбор задач (видео, по-русски) | 2400 | |
| 3167 | Video Cards | brute force data structures implementation math number theory | Statement | F | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 1900 | |
| 53945 | Night at the Museum | implementation strings | Statement | A | Codeforces Round 376 (Div. 2) {731} | PROGRAMMING | 47840 | 800 | |
| 10212 | Sanatorium | binary search constructive algorithms greedy implementation math | Statement | C | Codeforces Round 377 (Div. 2) {732} | PROGRAMMING | Codeforces Round #377 (Div. 2) Editorial | 1300 | |
| 90697 | Buy a Shovel | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 377 (Div. 2) {732} | PROGRAMMING | Codeforces Round #377 (Div. 2) Editorial | 800 | |
| 17025 | Grasshopper And the String | implementation | Statement | A | Codeforces Round 378 (Div. 2) {733} | PROGRAMMING | Codeforces Round #378 (Div. 2) editorial | 1000 | |
| 3937 | Anton and Chess | implementation | Statement | D | Codeforces Round 379 (Div. 2) {734} | PROGRAMMING | Tutorial of Codeforces Round #379 (Div. 2) | 1700 | |
| 1433 | Anton and School | bitmasks constructive algorithms implementation math | Statement | F | Codeforces Round 379 (Div. 2) {734} | PROGRAMMING | Tutorial of Codeforces Round #379 (Div. 2) | 2600 | |
| 200318 | Anton and Danik | implementation strings | Statement | A | Codeforces Round 379 (Div. 2) {734} | PROGRAMMING | Tutorial of Codeforces Round #379 (Div. 2) | 700 | |
| 32217 | Anton and Digits | brute force greedy implementation math | Statement | B | Codeforces Round 379 (Div. 2) {734} | PROGRAMMING | Tutorial of Codeforces Round #379 (Div. 2) | 800 | |
| 13199 | Ostap and Grasshopper | implementation strings | Statement | A | Codeforces Round 382 (Div. 2) {735} | PROGRAMMING | Codeforces Round #382 Editorial | 1000 | |
| 9185 | Alyona and copybooks | brute force implementation | Statement | A | Codeforces Round 381 (Div. 2) {740} | PROGRAMMING | Tutorial | 1300 | |
| 53142 | Arpa’s hard exam and Mehrdad’s naive cheat | implementation math number theory | Statement | A | Codeforces Round 383 (Div. 2) {742} | PROGRAMMING | Test data | 1000 | |
| 16154 | Chloe and the sequence | binary search bitmasks constructive algorithms implementation | Statement | B | Codeforces Round 384 (Div. 2) {743} | PROGRAMMING | Codeforces Round #384 Editorial | 1200 | |
| 11768 | Vladik and flights | constructive algorithms greedy implementation | Statement | A | Codeforces Round 384 (Div. 2) {743} | PROGRAMMING | Codeforces Round #384 Editorial | 1200 | |
| 3894 | Hongcow Solves A Puzzle | implementation | Statement | B | Codeforces Round 385 (Div. 2) {745} | PROGRAMMING | Tutorial | 1400 | |
| 11035 | Hongcow Learns the Cyclic Shift | implementation strings | Statement | A | Codeforces Round 385 (Div. 2) {745} | PROGRAMMING | Tutorial | 900 | |
| 3875 | Tram | constructive algorithms implementation math | Statement | C | Codeforces Round 386 (Div. 2) {746} | PROGRAMMING | Codeforces Round #386 (Div.2) Editorial | 1600 | |
| 1910 | Numbers Exchange | greedy implementation math | Statement | E | Codeforces Round 386 (Div. 2) {746} | PROGRAMMING | Codeforces Round #386 (Div.2) Editorial | 1800 | |
| 24004 | Compote | implementation math | Statement | A | Codeforces Round 386 (Div. 2) {746} | PROGRAMMING | Codeforces Round #386 (Div.2) Editorial | 800 | |
| 32192 | Decoding | implementation strings | Statement | B | Codeforces Round 386 (Div. 2) {746} | PROGRAMMING | 900 | ||
| 9703 | Mammoth's Genome Decoding | implementation strings | Statement | B | Codeforces Round 387 (Div. 2) {747} | PROGRAMMING | 49171 | 1000 | |
| 5065 | Servers | implementation | Statement | C | Codeforces Round 387 (Div. 2) {747} | PROGRAMMING | 49171 | 1400 | |
| 2107 | Comments | dfs and similar expression parsing implementation strings | Statement | E | Codeforces Round 387 (Div. 2) {747} | PROGRAMMING | 49171 | 1700 | |
| 5586 | Santa Claus and Keyboard Check | implementation strings | Statement | B | Technocup 2017 - Elimination Round 3 {748} | PROGRAMMING | Codeforces Round 389 (Div.2) Editorial | 1500 | |
| 9374 | Santa Claus and a Place in a Class | implementation math | Statement | A | Technocup 2017 - Elimination Round 3 {748} | PROGRAMMING | Codeforces Round 389 (Div.2) Editorial | 900 | |
| 6289 | Voting | greedy implementation two pointers | Statement | C | Codeforces Round 388 (Div. 2) {749} | PROGRAMMING | Tutorial | 1600 | |
| 57923 | Bachgold Problem | greedy implementation math number theory | Statement | A | Codeforces Round 388 (Div. 2) {749} | PROGRAMMING | Tutorial | 700 | |
| 9735 | New Year and North Pole | geometry implementation | Statement | B | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 1300 | |
| 3173 | 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 | |
| 608 | New Year and Finding Roots | constructive algorithms implementation interactive trees | Statement | F | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 2700 | |
| 94432 | New Year and Hurry | binary search brute force implementation math | Statement | A | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 800 | |
| 1454 | Interactive Bulls and Cows (Easy) | brute force constructive algorithms implementation | Statement | B | Testing Round 13 {753} | PROGRAMMING | 1600 | ||
| 7605 | Ilya and tic-tac-toe game | brute force implementation | Statement | B | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | Editorial | 1200 | |
| 9468 | Lesha and array splitting | constructive algorithms greedy implementation | Statement | A | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | Editorial | 1300 | |
| 1118 | Vladik and chat | brute force constructive algorithms dp implementation strings | Statement | C | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | 2200 | ||
| 11910 | Gotta Catch Em' All! | implementation | Statement | A | 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 | 1100 | |
| 10775 | Blown Garland | brute force implementation number theory | Statement | B | Codeforces Round 392 (Div. 2) {758} | PROGRAMMING | Codeforces Round #392 (Div. 2) Editorial | 1200 | |
| 4073 | Unfair Poll | binary search constructive algorithms implementation math | Statement | C | Codeforces Round 392 (Div. 2) {758} | PROGRAMMING | Codeforces Round #392 (Div. 2) Editorial | 1700 | |
| 76636 | Holiday Of Equality | implementation math | Statement | A | Codeforces Round 392 (Div. 2) {758} | PROGRAMMING | Codeforces Round #392 (Div. 2) Editorial | 700 | |
| 8692 | Petr and a calendar | implementation math | Statement | A | Codeforces Round 393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition) {760} | PROGRAMMING | 8VC Venture Cup 2017 — Final Round and Codeforces Round #393 Editorial | 900 | |
| 15201 | Dasha and Stairs | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 1100 | |
| 7070 | Dasha and friends | brute force implementation math | Statement | B | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 1300 | |
| 6049 | Dasha and Password | brute force dp implementation | Statement | C | Codeforces Round 394 (Div. 2) {761} | PROGRAMMING | Codeforces Round #394 (Div. 2) [Editorial] | 1600 | |
| 717 | 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 | |
| 10900 | USB vs. PS/2 | greedy implementation sortings two pointers | Statement | B | Educational Codeforces Round 17 {762} | PROGRAMMING | Tutorial | 1400 | |
| 1855 | Maximum path | dp greedy implementation | Statement | D | Educational Codeforces Round 17 {762} | PROGRAMMING | Tutorial | 2400 | |
| 12082 | Timofey and a tree | dfs and similar dp dsu graphs implementation trees | Statement | A | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 1600 | |
| 811 | Timofey and remoduling | brute force implementation math number theory | Statement | C | Codeforces Round 395 (Div. 1) {763} | PROGRAMMING | Codeforces Round #395 [Editorial] | 2500 | |
| 12755 | Timofey and cubes | constructive algorithms implementation | Statement | B | Codeforces Round 395 (Div. 2) {764} | PROGRAMMING | Codeforces Round #395 [Editorial] | 1000 | |
| 17193 | Taymyr is calling you | brute force implementation math | Statement | A | Codeforces Round 395 (Div. 2) {764} | PROGRAMMING | Codeforces Round #395 [Editorial] | 800 | |
| 7593 | Code obfuscation | greedy implementation strings | Statement | B | Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {765} | PROGRAMMING | Codeforces Round #397 Editorial | 1100 | |
| 1353 | Tree Folding | dfs and similar dp greedy implementation trees | Statement | E | Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {765} | PROGRAMMING | Codeforces Round #397 Editorial | 2200 | |
| 9616 | Neverending competitions | implementation math | Statement | A | Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {765} | PROGRAMMING | Codeforces Round #397 Editorial | 900 | |
| 22931 | Snacktower | data structures implementation | Statement | A | Codeforces Round 398 (Div. 2) {767} | PROGRAMMING | Codeforces Round #398 (Div. 2) Editorial | 1200 | |
| 4222 | Jon Snow and his Favourite Number | brute force dp implementation sortings | Statement | C | 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) | 1800 | |
| 6481 | Year of University Entrance | *special implementation sortings | Statement | A | VK Cup 2017 - Qualification 1 {769} | PROGRAMMING | Tutorial | 1500 | |
| 21919 | New Password | *special implementation | Statement | A | VK Cup 2017 - Qualification 2 {770} | PROGRAMMING | Tutorial of VK Cup 2017 Qualification Round 2 | 1500 | |
| 3082 | Maximize Sum of Digits | *special implementation math | Statement | B | VK Cup 2017 - Qualification 2 {770} | PROGRAMMING | Tutorial of VK Cup 2017 Qualification Round 2 | 1700 | |
| 2979 | Online Courses In BSU | *special dfs and similar graphs implementation | Statement | C | VK Cup 2017 - Qualification 2 {770} | PROGRAMMING | 1900 | ||
| 1633 | Draw Brackets! | *special implementation | Statement | D | VK Cup 2017 - Qualification 2 {770} | PROGRAMMING | Tutorial of VK Cup 2017 Qualification Round 2 | 1900 | |
| 1401 | Stepan and Vowels | *special implementation strings | Statement | K | VK Cup 2017 - Wild Card Round 1 {774} | PROGRAMMING | VK Cup 2017 — Уайлд-кард раунд 1 — Разбор | 1600 | |
| 6290 | 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 | |
| 531 | 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 | |
| 12948 | A Serial Killer | brute force implementation strings | Statement | A | 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 | 900 | |
| 10979 | Shell Game | constructive algorithms implementation math | Statement | A | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 1100 | |
| 6893 | 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 | |
| 5272 | Cloud of Hashtags | binary search greedy implementation strings | Statement | D | Codeforces Round 401 (Div. 2) {777} | PROGRAMMING | Problem analysis of Codeforces Round #401 (Div. 2) | 1800 | |
| 2547 | Bitwise Formula | bitmasks brute force dfs and similar expression parsing implementation | Statement | B | Codeforces Round 402 (Div. 1) {778} | PROGRAMMING | Codeforces Round #402, Editorial | 2000 | |
| 3053 | Innokenty and a Football League | 2-sat graphs greedy implementation shortest paths strings | Statement | D | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 2000 | |
| 162 | Intranet of Buses | binary search geometry implementation two pointers | Statement | H | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 3000 | |
| 23148 | Andryusha and Socks | implementation | Statement | A | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 900 | |
| 2047 | Twisted Circuit | *special brute force implementation | Statement | E | April Fools Contest 2017 {784} | PROGRAMMING | 51351 | 2000 | |
| 1148 | Crunching Numbers Just for You | *special implementation | Statement | F | April Fools Contest 2017 {784} | PROGRAMMING | 51351 | 2200 | |
| 776 | INTERCALC | *special implementation | Statement | C | April Fools Contest 2017 {784} | PROGRAMMING | 51351 | 2300 | |
| 516 | Touchy-Feely Palindromes | *special implementation | Statement | D | April Fools Contest 2017 {784} | PROGRAMMING | 51351 | 2500 | |
| 113449 | Anton and Polyhedrons | implementation strings | Statement | A | Codeforces Round 404 (Div. 2) {785} | PROGRAMMING | Editorial | 600 | |
| 5806 | Not Afraid | greedy implementation math | Statement | B | Codeforces Round 406 (Div. 2) {787} | PROGRAMMING | Codeforces Round #406 Editorial | 1300 | |
| 9858 | Anastasia and pebbles | implementation math | Statement | A | Codeforces Round 407 (Div. 2) {789} | PROGRAMMING | Codeforces Round #407(Div.1 + Div.2) Editorial | 1100 | |
| 5027 | Masha and geometric depression | brute force implementation math | Statement | B | Codeforces Round 407 (Div. 2) {789} | PROGRAMMING | Codeforces Round #407(Div.1 + Div.2) Editorial | 1700 | |
| 263857 | Bear and Big Brother | implementation | Statement | A | Codeforces Round 405 (rated, Div. 2, based on VK Cup 2017 Round 1) {791} | PROGRAMMING | VK Cup 2017 Round 1 and CF Round 405 — Editorial | 600 | |
| 9835 | New Bus Route | implementation sortings | Statement | A | Educational Codeforces Round 18 {792} | PROGRAMMING | Educational Codeforces Round 18 - Editorial | 1100 | |
| 6582 | Counting-out Rhyme | implementation | Statement | B | Educational Codeforces Round 18 {792} | PROGRAMMING | Educational Codeforces Round 18 - Editorial | 1300 | |
| 8107 | Oleg and shares | implementation math | Statement | A | Tinkoff Challenge - Elimination Round {793} | PROGRAMMING | 51685 | 1000 | |
| 4872 | Igor and his way to work | dfs and similar graphs implementation shortest paths | Statement | B | Tinkoff Challenge - Elimination Round {793} | PROGRAMMING | 51685 | 1600 | |
| 1384 | Mice problem | geometry implementation math sortings | Statement | C | Tinkoff Challenge - Elimination Round {793} | PROGRAMMING | 51685 | 2200 | |
| 7826 | Bank Robbery | brute force implementation | Statement | A | Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2) {794} | PROGRAMMING | 900 | ||
| 9773 | Find The Bone | implementation | Statement | B | Codeforces Round 408 (Div. 2) {796} | PROGRAMMING | Tutorial | 1300 | |
| 13890 | Buying A House | brute force implementation | Statement | A | Codeforces Round 408 (Div. 2) {796} | PROGRAMMING | Tutorial | 900 | |
| 20469 | k-Factorization | implementation math number theory | Statement | A | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 1100 | |
| 11626 | Odd sum | dp greedy implementation | Statement | B | Educational Codeforces Round 19 {797} | PROGRAMMING | 51588 | 1400 | |
| 21624 | Carrot Cakes | brute force implementation | Statement | A | Playrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2) {799} | PROGRAMMING | Playrix Codescapes Cup Problems Analysis | 1200 | |
| 10250 | 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 | |
| 4072 | 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 | |
| 7917 | Fake News (easy) | implementation | Statement | G | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 1000 | |
| 8240 | Fake News (easy) | implementation strings | Statement | G1 | Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} | PROGRAMMING | helvetic-coding-contest-2017-editorial.pdf | 800 | |
| 10255 | Minimum number of steps | combinatorics greedy implementation math | Statement | B | Codeforces Round 411 (Div. 1) {804} | PROGRAMMING | Codeforces Round #411 Editorial | 1400 | |
| 3674 | T-Shirt Hunt | brute force implementation | Statement | B | Codeforces Round 412 (rated, Div. 2, base on VK Cup 2017 Round 3) {807} | PROGRAMMING | VK Cup 2017 Round 3 + Codeforces Round #412 -- Tutorial | 1300 | |
| 23499 | Is it rated? | implementation sortings | Statement | A | Codeforces Round 412 (rated, Div. 2, base on VK Cup 2017 Round 3) {807} | PROGRAMMING | VK Cup 2017 Round 3 + Codeforces Round #412 -- Tutorial | 900 | |
| 11174 | Lucky Year | implementation | Statement | A | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 1000 | |
| 16020 | Average Sleep Time | data structures implementation math | Statement | B | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 1300 | |
| 8375 | Array Division | binary search data structures implementation | Statement | D | Educational Codeforces Round 21 {808} | PROGRAMMING | 52010 | 1900 | |
| 4907 | Do you want a date? | implementation math sortings | Statement | A | Codeforces Round 415 (Div. 1) {809} | PROGRAMMING | 52099 | 1500 | |
| 9392 | Straight <<A>> | implementation math | Statement | A | Codeforces Round 415 (Div. 2) {810} | PROGRAMMING | 52099 | 1000 | |
| 6811 | Vladik and Complicated Book | implementation sortings | Statement | B | Codeforces Round 416 (Div. 2) {811} | PROGRAMMING | Editorial | 1300 | |
| 3513 | Vladik and Memorable Trip | dp implementation | Statement | C | Codeforces Round 416 (Div. 2) {811} | PROGRAMMING | 1800 | ||
| 12419 | Vladik and Courtesy | brute force implementation | Statement | A | Codeforces Round 416 (Div. 2) {811} | PROGRAMMING | Editorial | 900 | |
| 6467 | Sagheer and Crossroads | implementation | Statement | A | Codeforces Round 417 (Div. 2) {812} | PROGRAMMING | [Editorial] Codeforces Round #417 (Div. 2) | 1300 | |
| 367 | Sagheer and Kindergarten | dfs and similar graphs implementation trees | Statement | D | Codeforces Round 417 (Div. 2) {812} | PROGRAMMING | [Editorial] Codeforces Round #417 (Div. 2) | 2700 | |
| 5468 | The Contest | implementation | Statement | A | Educational Codeforces Round 22 {813} | PROGRAMMING | 52410 | 1200 | |
| 11084 | An abandoned sentiment from past | constructive algorithms greedy implementation sortings | Statement | A | Codeforces Round 418 (Div. 2) {814} | PROGRAMMING | Codeforces Round #418 (Div. 2) Editorial | 1000 | |
| 5920 | Karen and Game | brute force greedy implementation | Statement | A | Codeforces Round 419 (Div. 1) {815} | PROGRAMMING | Codeforces Round #419 Editorial | 1700 | |
| 300 | Karen and Neighborhood | binary search constructive algorithms implementation | Statement | E | Codeforces Round 419 (Div. 1) {815} | PROGRAMMING | Codeforces Round #419 Editorial | 2900 | |
| 9805 | Karen and Morning | brute force implementation | Statement | A | Codeforces Round 419 (Div. 2) {816} | PROGRAMMING | Codeforces Round #419 Editorial | 1100 | |
| 29013 | Karen and Coffee | binary search data structures implementation | Statement | B | Codeforces Round 419 (Div. 2) {816} | PROGRAMMING | Codeforces Round #419 Editorial | 1400 | |
| 6939 | Treasure Hunt | implementation math number theory | Statement | A | Educational Codeforces Round 23 {817} | PROGRAMMING | 52638 | 1200 | |
| 6465 | Makes And The Product | combinatorics implementation math sortings | Statement | B | Educational Codeforces Round 23 {817} | PROGRAMMING | 52638 | 1500 | |
| 7908 | Diplomas and Certificates | implementation math | Statement | A | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 1000 | |
| 3268 | Permutation Game | implementation | Statement | B | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 1600 | |
| 3818 | Multicolored Cars | data structures implementation | Statement | D | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 1700 | |
| 1394 | Sofa Thief | brute force implementation | Statement | C | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 2000 | |
| 1799 | Mister B and PR Shifts | data structures implementation math | Statement | B | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | Codeforces Round #421 Editorial | 2100 | |
| 8680 | Mister B and Book Reading | implementation | Statement | A | Codeforces Round 421 (Div. 2) {820} | PROGRAMMING | Codeforces Round #421 Editorial | 1000 | |
| 9017 | Okabe and Future Gadget Laboratory | implementation | Statement | A | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | Tutorial | 900 | |
| 10303 | Crossword solving | brute force implementation strings | Statement | B | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 1100 | |
| 4959 | Hacker, pack your bags! | binary search greedy implementation sortings | Statement | C | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 1600 | |
| 37337 | I'm bored with life | implementation math number theory | Statement | A | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 800 | |
| 8243 | Binary Protocol | implementation | Statement | A | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1200 | |
| 3824 | Suitable Replacement | binary search greedy implementation | Statement | D | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1600 | |
| 4828 | Five-In-a-Row | brute force implementation | Statement | B | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1600 | |
| 4914 | Multi-judge Solving | greedy implementation | Statement | C | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1600 | |
| 3737 | High Load | constructive algorithms greedy implementation trees | Statement | B | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 1800 | |
| 8450 | Restaurant Tables | implementation | Statement | A | Codeforces Round 423 (Div. 2, rated, based on VK Cup Finals) {828} | PROGRAMMING | Codeforces Round #423 Analysis | 1200 | |
| 6185 | Black Square | implementation | Statement | B | Codeforces Round 423 (Div. 2, rated, based on VK Cup Finals) {828} | PROGRAMMING | Codeforces Round #423 Analysis | 1300 | |
| 3063 | Cards Sorting | data structures implementation sortings | Statement | B | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 1800 | |
| 1336 | Bamboo Partition | brute force data structures implementation math number theory sortings two pointers | Statement | C | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 2500 | |
| 364 | Perpetual Motion Machine | constructive algorithms dp graphs implementation math trees | Statement | E | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 3100 | |
| 11136 | Unimodal Array | implementation | Statement | A | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | Codeforces Round #424 Editorial | 1100 | |
| 15768 | Keyboard Layouts | implementation strings | Statement | B | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | Codeforces Round #424 Editorial | 800 | |
| 4697 | Petya and Exam | implementation strings | Statement | B | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | Codeforces Round #425 (Div.2) Editorial | 1600 | |
| 501 | Strange Radiation | binary search implementation math | Statement | C | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | Codeforces Round #425 (Div.2) Editorial | 2500 | |
| 505 | Red-Black Cobweb | data structures divide and conquer implementation trees | Statement | D | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | Codeforces Round #426 Editorial | 2800 | |
| 9140 | The Useless Toy | implementation | Statement | A | Codeforces Round 426 (Div. 2) {834} | PROGRAMMING | Codeforces Round #426 Editorial | 1000 | |
| 9419 | The Festive Evening | data structures implementation | Statement | B | Codeforces Round 426 (Div. 2) {834} | PROGRAMMING | Codeforces Round #426 Editorial | 1100 | |
| 9536 | Star sky | dp implementation | Statement | C | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | 1600 | ||
| 10179 | Text Volume | implementation | Statement | A | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1000 | |
| 4602 | Two Seals | brute force implementation | Statement | C | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1500 | |
| 4376 | Flag of Berland | brute force implementation | Statement | B | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1600 | |
| 2107 | Vasya's Function | binary search implementation math | Statement | E | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2200 | |
| 15020 | Arya and Bran | implementation | Statement | A | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | Codeforces Round #428 editorial | 1000 | |
| 3445 | Game of the Rows | brute force greedy implementation | Statement | B | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | Codeforces Round #428 editorial | 1700 | |
| 14157 | Generous Kefa | brute force implementation | Statement | A | Codeforces Round 429 (Div. 2) {841} | PROGRAMMING | T | 900 | |
| 6001 | Sorting by Subsequences | dfs and similar dsu implementation math sortings | Statement | A | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | AIM Tech Round 4 -- Editorial | 1400 | |
| 12294 | Diversity | greedy implementation strings | Statement | A | AIM Tech Round 4 (Div. 2) {844} | PROGRAMMING | AIM Tech Round 4 -- Editorial | 1000 | |
| 8522 | Chess Tourney | implementation sortings | Statement | A | Educational Codeforces Round 27 {845} | PROGRAMMING | 53986 | 1100 | |
| 5569 | Luba And The Ticket | brute force greedy implementation | Statement | B | Educational Codeforces Round 27 {845} | PROGRAMMING | 53986 | 1600 | |
| 4742 | Curriculum Vitae | brute force implementation | Statement | A | Educational Codeforces Round 28 {846} | PROGRAMMING | 54357 | 1500 | |
| 7727 | University Classes | implementation | Statement | G | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest, qualification stage (Online Mirror, ACM-ICPC Rules, Teams Preferred) {847} | PROGRAMMING | 1000 | ||
| 6865 | Weather Tomorrow | implementation | Statement | M | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest, qualification stage (Online Mirror, ACM-ICPC Rules, Teams Preferred) {847} | PROGRAMMING | 1000 | ||
| 3899 | Union of Doubly Linked Lists | implementation | Statement | A | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest, qualification stage (Online Mirror, ACM-ICPC Rules, Teams Preferred) {847} | PROGRAMMING | 1500 | ||
| 2014 | Rooter's Song | constructive algorithms data structures geometry implementation sortings two pointers | Statement | B | Codeforces Round 431 (Div. 1) {848} | PROGRAMMING | Codeforces Round #431 Editorial | 2100 | |
| 9801 | Odds and Ends | implementation | Statement | A | Codeforces Round 431 (Div. 2) {849} | PROGRAMMING | Codeforces Round #431 Editorial | 1100 | |
| 2199 | Arpa and a list of numbers | implementation number theory | Statement | B | Codeforces Round 432 (Div. 1, based on IndiaHacks Final Round 2017) {850} | PROGRAMMING | Codeforces Round #432 editorial | 2000 | |
| 10344 | Arpa and a research in Mexican wave | implementation math | Statement | A | Codeforces Round 432 (Div. 2, based on IndiaHacks Final Round 2017) {851} | PROGRAMMING | Codeforces Round #432 editorial | 800 | |
| 1466 | Bathroom terminal | implementation | Statement | G | Bubble Cup X - Finals [Online Mirror] {852} | PROGRAMMING | Tutorial | 1700 | |
| 443 | Digits | brute force implementation math | Statement | A | Bubble Cup X - Finals [Online Mirror] {852} | PROGRAMMING | Tutorial | 2700 | |
| 28063 | Tom Riddle's Diary | brute force implementation strings | Statement | A | Manthan, Codefest 17 {855} | PROGRAMMING | 54750 | 700 | |
| 4122 | Which floor? | brute force implementation | Statement | B | Технокубок 2018 - Отборочный Раунд 1 {858} | PROGRAMMING | Codeforces Round 434 Div.1+Div.2 (and Technocup 2018 — Elimination Round 1) Editorial | 1500 | |
| 5915 | Did you mean... | dp greedy implementation | Statement | C | Технокубок 2018 - Отборочный Раунд 1 {858} | PROGRAMMING | Codeforces Round 434 Div.1+Div.2 (and Technocup 2018 — Elimination Round 1) Editorial | 1500 | |
| 4229 | Polycarp's phone book | data structures implementation sortings | Statement | D | Технокубок 2018 - Отборочный Раунд 1 {858} | PROGRAMMING | Codeforces Round 434 Div.1+Div.2 (and Technocup 2018 — Elimination Round 1) Editorial | 1700 | |
| 549 | Tests Renumeration | greedy implementation | Statement | E | Технокубок 2018 - Отборочный Раунд 1 {858} | PROGRAMMING | Codeforces Round 434 Div.1+Div.2 (and Technocup 2018 — Elimination Round 1) Editorial | 2300 | |
| 8689 | Declined Finalists | greedy implementation | Statement | A | MemSQL Start[c]UP 3.0 - Round 1 {859} | PROGRAMMING | Tutorial | 800 | |
| 10776 | Mahmoud and Ehab and the MEX | greedy implementation | Statement | A | Codeforces Round 435 (Div. 2) {862} | PROGRAMMING | Codeforces round #435 editorial | 1000 | |
| 3864 | Yet Another Array Queries Problem | data structures implementation | Statement | D | Educational Codeforces Round 29 {863} | PROGRAMMING | Editorial | 1800 | |
| 2728 | 1-2-3 | graphs implementation | Statement | C | Educational Codeforces Round 29 {863} | PROGRAMMING | 1800 | ||
| 11045 | Quasi-palindrome | brute force implementation | Statement | A | Educational Codeforces Round 29 {863} | PROGRAMMING | Editorial | 900 | |
| 12325 | Fair Game | implementation sortings | Statement | A | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | Codeforces Round #436 (Div.2) Разбор | 1000 | |
| 10055 | Polycarp and Letters | brute force implementation strings | Statement | B | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | Codeforces Round #436 (Div.2) Разбор | 1100 | |
| 6246 | Bus | greedy implementation math | Statement | C | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | 1500 | ||
| 6385 | Make a Permutation! | greedy implementation math | Statement | D | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | 1500 | ||
| 20858 | Between the Offices | implementation | Statement | A | Codeforces Round 437 (Div. 2, based on MemSQL Start[c]UP 3.0 - Round 2) {867} | PROGRAMMING | MemSQL Start[c]UP 3.0 Round 2 Editorial | 600 | |
| 10103 | Bark to Unlock | brute force implementation strings | Statement | A | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 1000 | |
| 3941 | Race Against Time | implementation | Statement | B | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 1400 | |
| 1024 | Huge Strings | bitmasks brute force dp implementation strings | Statement | D | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 2100 | |
| 9835 | The Artful Expedient | brute force implementation | Statement | A | Codeforces Round 439 (Div. 2) {869} | PROGRAMMING | Tutorial | 1200 | |
| 10878 | Search for Pretty Integers | brute force implementation | Statement | A | Technocup 2018 - Elimination Round 2 {870} | PROGRAMMING | Editorial Codeforces Round 440 Div.1+Div.2 (and Technocup 2018 — Elimination Round 2) | 900 | |
| 9218 | Balanced Substring | dp implementation | Statement | B | Educational Codeforces Round 30 {873} | PROGRAMMING | 55171 | 1500 | |
| 10702 | Chores | implementation | Statement | A | Educational Codeforces Round 30 {873} | PROGRAMMING | 55171 | 900 | |
| 5399 | Sorting the Coins | dsu implementation sortings two pointers | Statement | B | Codeforces Round 441 (Div. 1, by Moscow Team Olympiad) {875} | PROGRAMMING | Codeforces Round #441. Editorial. | 1500 | |
| 2408 | National Property | 2-sat dfs and similar graphs implementation | Statement | C | Codeforces Round 441 (Div. 1, by Moscow Team Olympiad) {875} | PROGRAMMING | Codeforces Round #441. Editorial. | 2100 | |
| 10429 | Divisiblity of Differences | implementation math number theory | Statement | B | Codeforces Round 441 (Div. 2, by Moscow Team Olympiad) {876} | PROGRAMMING | Codeforces Round #441. Editorial. | 1300 | |
| 11608 | Alex and broken contest | implementation strings | Statement | A | Codeforces Round 442 (Div. 2) {877} | PROGRAMMING | 55362 | 1200 | |
| 1133 | Teams Formation | data structures implementation | Statement | B | Codeforces Round 443 (Div. 1) {878} | PROGRAMMING | Editorial | 2400 | |
| 9640 | Borya's Diagnosis | implementation | Statement | A | Codeforces Round 443 (Div. 2) {879} | PROGRAMMING | Codeforces Round #443. Editorial | 1000 | |
| 14667 | Table Tennis | data structures implementation | Statement | B | Codeforces Round 443 (Div. 2) {879} | PROGRAMMING | Codeforces Round #443. Editorial | 1300 | |
| 2418 | Lost in Transliteration | implementation | Statement | F | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 1300 | ||
| 2067 | Field of Wonders | implementation strings | Statement | E | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 1600 | ||
| 1800 | Palindromic Cut | brute force implementation strings | Statement | H | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 1800 | ||
| 1250 | Road Widening | constructive algorithms greedy implementation | Statement | K | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 2100 | ||
| 697 | Automatic Door | implementation | Statement | A | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 2300 | ||
| 7720 | Japanese Crosswords Strike Back | implementation | Statement | B | Educational Codeforces Round 31 {884} | PROGRAMMING | 55470 | 1100 | |
| 11411 | Book Reading | implementation | Statement | A | Educational Codeforces Round 31 {884} | PROGRAMMING | 55470 | 900 | |
| 5691 | Petya and Catacombs | dsu greedy implementation trees | Statement | C | Технокубок 2018 - Отборочный Раунд 3 {886} | PROGRAMMING | Editorial Codeforces Round 445 (and Technocup 2018 — Elimination Round 3) | 1300 | |
| 1978 | Restoration of string | constructive algorithms graphs implementation | Statement | D | Технокубок 2018 - Отборочный Раунд 3 {886} | PROGRAMMING | Editorial Codeforces Round 445 (and Technocup 2018 — Elimination Round 3) | 2000 | |
| 12014 | Div. 64 | implementation | Statement | A | Codeforces Round 444 (Div. 2) {887} | PROGRAMMING | Codeforces Round #444 (Div. 2) Editorial | 1100 | |
| 5991 | Cubes for Masha | brute force implementation | Statement | B | Codeforces Round 444 (Div. 2) {887} | PROGRAMMING | Codeforces Round #444 (Div. 2) Editorial | 1300 | |
| 2994 | Solution for Cube | brute force implementation | Statement | C | Codeforces Round 444 (Div. 2) {887} | PROGRAMMING | Codeforces Round #444 (Div. 2) Editorial | 1500 | |
| 9084 | K-Dominant Character | binary search implementation two pointers | Statement | C | Educational Codeforces Round 32 {888} | PROGRAMMING | Educational Codeforces Round 32 - Editorial | 1400 | |
| 12097 | Local Extrema | brute force implementation | Statement | A | Educational Codeforces Round 32 {888} | PROGRAMMING | Educational Codeforces Round 32 - Editorial | 1600 | |
| 10110 | Wrath | greedy implementation two pointers | Statement | B | Codeforces Round 446 (Div. 2) {892} | PROGRAMMING | Codeforces Round #446 Editorial | 1200 | |
| 15117 | Greed | greedy implementation | Statement | A | Codeforces Round 446 (Div. 2) {892} | PROGRAMMING | Codeforces Round #446 Editorial | 900 | |
| 12792 | Beautiful Divisors | brute force implementation | Statement | B | Educational Codeforces Round 33 (Rated for Div. 2) {893} | PROGRAMMING | 55989 | 1000 | |
| 3350 | Credit Card | data structures dp greedy implementation | Statement | D | Educational Codeforces Round 33 (Rated for Div. 2) {893} | PROGRAMMING | 55989 | 1800 | |
| 11105 | Chess For Three | implementation | Statement | A | Educational Codeforces Round 33 (Rated for Div. 2) {893} | PROGRAMMING | 55989 | 900 | |
| 6953 | Pizza Separation | brute force implementation | Statement | A | Codeforces Round 448 (Div. 2) {895} | PROGRAMMING | Codeforces Round #448(Div.2) Editorial | 1200 | |
| 15167 | Scarborough Fair | implementation | Statement | A | Codeforces Round 449 (Div. 2) {897} | PROGRAMMING | Codeforces Round #449 Editorial | 700 | |
| 10756 | Proper Nutrition | brute force implementation number theory | Statement | B | Codeforces Round 451 (Div. 2) {898} | PROGRAMMING | Codeforces Round #451 (Div.2) Editorial | 1300 | |
| 5864 | Phone Numbers | implementation strings | Statement | C | Codeforces Round 451 (Div. 2) {898} | PROGRAMMING | Codeforces Round #451 (Div.2) Editorial | 1400 | |
| 17666 | Rounding | implementation math | Statement | A | Codeforces Round 451 (Div. 2) {898} | PROGRAMMING | Codeforces Round #451 (Div.2) Editorial | 800 | |
| 6469 | Months and Years | implementation | Statement | B | Codeforces Round 452 (Div. 2) {899} | PROGRAMMING | Codeforces Round #452 (Div.2) Editorial | 1300 | |
| 3623 | Segments Removal | data structures dsu flows implementation two pointers | Statement | E | Codeforces Round 452 (Div. 2) {899} | PROGRAMMING | Codeforces Round #452 (Div.2) Editorial | 2100 | |
| 15065 | Find Extra One | geometry implementation | Statement | A | Codeforces Round 450 (Div. 2) {900} | PROGRAMMING | Codeforces Round #450(Div. 2). Editorial. | 900 | |
| 10319 | Visiting a Friend | greedy implementation | Statement | A | Codeforces Round 453 (Div. 2) {902} | PROGRAMMING | Codeforces Round #453 (Div. 1 & Div. 2) Editorial | 1200 | |
| 8151 | The Modcrab | greedy implementation | Statement | B | Educational Codeforces Round 34 (Rated for Div. 2) {903} | PROGRAMMING | Educational Codeforces Round 34 Editorial | 1200 | |
| 1624 | Swapping Characters | brute force hashing implementation strings | Statement | E | Educational Codeforces Round 34 (Rated for Div. 2) {903} | PROGRAMMING | Educational Codeforces Round 34 Editorial | 2200 | |
| 15604 | Hungry Student Problem | greedy implementation | Statement | A | Educational Codeforces Round 34 (Rated for Div. 2) {903} | PROGRAMMING | Educational Codeforces Round 34 Editorial | 900 | |
| 4436 | Shockers | implementation strings | Statement | A | Codeforces Round 454 (Div. 1, based on Technocup 2018 Elimination Round 4) {906} | PROGRAMMING | Editorial Codeforces Round 454 (and Technocup 2018 — Elimination Round 4) | 1600 | |
| 5996 | Masha and Bears | brute force implementation | Statement | A | Codeforces Round 454 (Div. 2, based on Technocup 2018 Elimination Round 4) {907} | PROGRAMMING | Editorial Codeforces Round 454 (and Technocup 2018 — Elimination Round 4) | 1400 | |
| 4236 | Tic-Tac-Toe | implementation | Statement | B | Codeforces Round 454 (Div. 2, based on Technocup 2018 Elimination Round 4) {907} | PROGRAMMING | Editorial Codeforces Round 454 (and Technocup 2018 — Elimination Round 4) | 1400 | |
| 7919 | New Year and Buggy Bot | brute force implementation | Statement | B | Good Bye 2017 {908} | PROGRAMMING | 1300 | ||
| 7242 | New Year and Curling | brute force geometry implementation math | Statement | C | Good Bye 2017 {908} | PROGRAMMING | Good Bye 2017 Editorial | 1500 | |
| 1647 | New Year and Rainbow Roads | graphs greedy implementation | Statement | F | Good Bye 2017 {908} | PROGRAMMING | Good Bye 2017 Editorial | 2400 | |
| 15900 | New Year and Counting Cards | brute force implementation | Statement | A | Good Bye 2017 {908} | PROGRAMMING | Good Bye 2017 Editorial | 800 |