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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 629 | Lucky Tickets | binary search data structures sortings two pointers | Statement | C | Codeforces Beta Round 64 {70} | PROGRAMMING | Analysis Codeforces Beta Round #64 | 2200 | |
| 1495 | Spider's Web | binary search sortings two pointers | Statement | D | Codeforces Round 133 (Div. 2) {216} | PROGRAMMING | Editorial for Codeforces Round #133 | 1800 | |
| 2338 | Olympiad | binary search greedy sortings two pointers | Statement | D | Codeforces Round 137 (Div. 2) {222} | PROGRAMMING | Разбор задач Codeforces Round #137 (Div. 2) | 1800 | |
| 9635 | To Add or Not to Add | binary search sortings two pointers | Statement | C | Codeforces Round 143 (Div. 2) {231} | PROGRAMMING | Tutorial Codeforces Round #143 | 1700 | |
| 12220 | Physics Practical | binary search dp sortings two pointers | Statement | B | Codeforces Round 154 (Div. 2) {253} | PROGRAMMING | Codeforces Round #154 (Div. 2) — tutorial | 1400 | |
| 576 | Sereja and Straight Lines | binary search data structures geometry sortings two pointers | Statement | D | Codeforces Round 187 (Div. 1) {314} | PROGRAMMING | Codeforces Round #187 tutorial | 2400 | |
| 15371 | Counting Kangaroos is Fun | binary search greedy sortings two pointers | Statement | A | Codeforces Round 219 (Div. 1) {372} | PROGRAMMING | 9944 | 1700 | |
| 782 | Volcanoes | binary search implementation sortings two pointers | Statement | B | Codeforces Round 225 (Div. 1) {383} | PROGRAMMING | Tutorial | 2200 | |
| 6818 | Devu and his Brother | binary search sortings ternary search two pointers | Statement | D | Codeforces Round 251 (Div. 2) {439} | PROGRAMMING | Codeforces Round #251 Editorial | 1900 | |
| 7709 | Maximum Value | binary search math sortings two pointers | Statement | B | Codeforces Round 276 (Div. 1) {484} | PROGRAMMING | Codeforces Round #276 — Editorial | 2100 | |
| 7496 | 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 | |
| 31715 | Kefa and Company | binary search sortings two pointers | Statement | B | Codeforces Round 321 (Div. 2) {580} | PROGRAMMING | Codeforces Round #321 Editorial | 1500 | |
| 38710 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 2472 | Skills | binary search brute force dp greedy sortings two pointers | Statement | B | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2200 | |
| 2411 | 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 | |
| 3808 | XK Segments | binary search math sortings two pointers | Statement | B | Codeforces Round 448 (Div. 2) {895} | PROGRAMMING | Codeforces Round #448(Div.2) Editorial | 1700 | |
| 536 | A Shade of Moonlight | binary search geometry math sortings two pointers | Statement | D | Codeforces Round 487 (Div. 2) {989} | PROGRAMMING | Codeforces Round #487 (Div. 2) Editorial | 2500 | |
| 6654 | Match Points | binary search greedy sortings ternary search two pointers | Statement | C | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 2000 | |
| 8308 | The Party and Sweets | binary search constructive algorithms greedy implementation math sortings two pointers | Statement | A | Codeforces Round 559 (Div. 1) {1158} | PROGRAMMING | 66993 | 1500 | |
| 11013 | A Tale of Two Lands | binary search sortings two pointers | Statement | C | Codeforces Round 561 (Div. 2) {1166} | PROGRAMMING | Codeforces Round #561 (Div. 2) Editorial | 1600 | |
| 2791 | Irrigation | binary search data structures implementation sortings trees two pointers | Statement | D | Codeforces Round 567 (Div. 2) {1181} | PROGRAMMING | Editorial of Codeforces Round #567 (based on All-Russian olympiad in the name of Keldysh) | 2100 | |
| 6385 | Minimizing Difference | binary search constructive algorithms greedy sortings ternary search two pointers | Statement | E | Codeforces Round 592 (Div. 2) {1244} | PROGRAMMING | Codeforces Round #592 (Div. 2) Tutorial | 2000 | |
| 8144 | Yet Another Monster Killing Problem | binary search data structures dp greedy sortings two pointers | Statement | D | Educational Codeforces Round 76 (Rated for Div. 2) {1257} | PROGRAMMING | Educational Codeforces Round 76 Editorial | 1700 | |
| 33919 | Pair of Topics | binary search data structures sortings two pointers | Statement | D | Codeforces Round 627 (Div. 3) {1324} | PROGRAMMING | Codeforces Round #627 (Div. 3) Editorial | ||
| 12116 | Xenia and Colorful Gems | binary search greedy math sortings two pointers | Statement | B | Codeforces Round 635 (Div. 1) {1336} | PROGRAMMING | 750.0 | Codeforces Round #635 Editorial | 1800 |
| 6362 | Multiple Testcases | binary search constructive algorithms data structures greedy sortings two pointers | Statement | D | Educational Codeforces Round 86 (Rated for Div. 2) {1342} | PROGRAMMING | 76633 | 1900 | |
| 1063 | Reading Books (hard version) | binary search data structures greedy sortings ternary search two pointers | Statement | E2 | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 6072 | Choosing flowers | binary search data structures greedy math sortings two pointers | Statement | C | Codeforces Round 657 (Div. 2) {1379} | PROGRAMMING | 1250.0 | Codeforces Round #657 Editorial | 2000 |
| 312 | The Potion of Great Power | *special binary search data structures graphs interactive sortings two pointers | Statement | A | Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} | PROGRAMMING | CEOI 2020 Online Mirror — Day 2 Tutorial | ||
| 8444 | Two Platforms | binary search dp sortings two pointers | Statement | E | Codeforces Round 667 (Div. 3) {1409} | PROGRAMMING | Codeforces Round #667 (Div. 3) Editorial | ||
| 17367 | Sage's Birthday (hard version) | binary search constructive algorithms greedy implementation sortings two pointers | Statement | D2 | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 1000.0 | Codeforces Round #671 Editorial | |
| 2646 | Complicated Computations | binary search data structures sortings two pointers | Statement | E | Codeforces Round 678 (Div. 2) {1436} | PROGRAMMING | 2500.0 | Codeforces Round #678 (Div. 2). Editorial | |
| 11337 | Close Tuples (hard version) | binary search combinatorics implementation math sortings two pointers | Statement | E2 | Codeforces Round 690 (Div. 3) {1462} | PROGRAMMING | Codeforces Round #690 (Div. 3) Editorial | ||
| 15198 | Close Tuples (easy version) | binary search combinatorics math sortings two pointers | Statement | E1 | Codeforces Round 690 (Div. 3) {1462} | PROGRAMMING | Codeforces Round #690 (Div. 3) Editorial | ||
| 8836 | Correct Placement | binary search data structures sortings two pointers | Statement | E | Codeforces Round 693 (Div. 3) {1472} | PROGRAMMING | Codeforces Round #693 (Div. 3) Editorial | ||
| 11170 | Cleaning the Phone | binary search dp greedy sortings two pointers | Statement | D | Codeforces Round 697 (Div. 3) {1475} | PROGRAMMING | Codeforces Round #697 (Div. 3) Editorial | ||
| 12703 | PriceFixed | binary search data structures greedy sortings two pointers | Statement | D | Codeforces Round 727 (Div. 2) {1539} | PROGRAMMING | 1500.0 | tutorial | 1600 |
| 4515 | Boring Segments | binary search data structures sortings two pointers | Statement | E | Educational Codeforces Round 112 (Rated for Div. 2) {1555} | PROGRAMMING | 93389 | 2100 | |
| 5282 | For Gamers. By Gamers. | binary search dp math sortings two pointers | Statement | D | Educational Codeforces Round 125 (Rated for Div. 2) {1657} | PROGRAMMING | 101161 | ||
| 7447 | Max GEQ Sum | binary search constructive algorithms data structures divide and conquer implementation sortings two pointers | Statement | D | CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} | PROGRAMMING | 1750.0 | Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2) | |
| 14732 | Going to the Cinema | binary search math sortings two pointers | Statement | B | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 1000.0 | Tutorial | |
| 1071 | Lottery | binary search brute force greedy math sortings two pointers | Statement | B | Codeforces Round 880 (Div. 1) {1835} | PROGRAMMING | 1250.0 | Codeforces Round 880 Editorial | |
| 7977 | Andrey and Escape from Capygrad | binary search data structures dp dsu greedy sortings two pointers | Statement | D | Codeforces Round 892 (Div. 2) {1859} | PROGRAMMING | 1750.0 | Video solutions from Geothermal. | |
| 13084 | Colorful Table | binary search data structures dp implementation math sortings two pointers | Statement | C | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} | PROGRAMMING | 1500.0 | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | |
| 5666 | Set To Max (Hard Version) | binary search constructive algorithms data structures dsu greedy implementation sortings two pointers | Statement | D2 | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 750.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 20703 | Equalize | binary search greedy sortings two pointers | Statement | B | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1000.0 | Codeforces Round 924 Editorial | |
| 4388 | Cutting Game | binary search brute force data structures implementation sortings two pointers | Statement | F | Codeforces Round 946 (Div. 3) {1974} | PROGRAMMING | Codeforces Round #946 (Div. 3) Editorial | 1900 | |
| 20914 | Bouquet (Easy Version) | binary search brute force greedy sortings sortings two pointers | Statement | B1 | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 1000.0 | Video Tutorial | |
| 10131 | Bouquet (Hard Version) | binary search data structures greedy math sortings two pointers | Statement | B2 | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 500.0 | Video Tutorial | |
| 16097 | Trinity | binary search math sortings two pointers | Statement | C | Codeforces Round 983 (Div. 2) {2032} | PROGRAMMING | 1250.0 | Codeforces Round 983 (Div. 2) Editorial | |
| 2960 | Ardent Flames | binary search data structures sortings two pointers | Statement | F | Codeforces Round 988 (Div. 3) {2037} | PROGRAMMING | Video Tutorial | ||
| 8265 | Kevin and Competition Memories | binary search data structures greedy sortings two pointers | Statement | D | Codeforces Global Round 28 {2048} | PROGRAMMING | 1250.0 | Tutorial | |
| 23807 | Counting Pairs | binary search sortings two pointers | Statement | D | Codeforces Round 995 (Div. 3) {2051} | PROGRAMMING | 137623 | ||
| 14806 | MEX Count | binary search data structures greedy sortings two pointers | Statement | E | Codeforces Round 1034 (Div. 3) {2123} | PROGRAMMING | Codeforces Round 1034 (Div. 3) Editorial | ||
| 1195 | No Mind To Think | binary search greedy sortings ternary search two pointers | Statement | E | Codeforces Round 1060 (Div. 2) {2154} | PROGRAMMING | 2500.0 | Codeforces Round 1060 (Div. 2) Editorial | |
| 1280 | Comparable Permutations | binary search greedy interactive sortings two pointers | Statement | C | Codeforces Round 1073 (Div. 1) {2190} | PROGRAMMING | 1750.0 | Codeforces Round 1073 (Div. 1, Div. 2) Editorial | |
| 21313 | Monster Game | binary search sortings two pointers | Statement | D | Codeforces Round 1076 (Div. 3) {2193} | PROGRAMMING | Разбор Codeforces Round 1076 (Div. 3) |