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Solutions
Index
Contest
Type
Points
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2183 Stripe 2 binary search dp sortings Statement C Codeforces Alpha Round 21 (Codeforces format) {21} PROGRAMMING 2300
2460 Domino Principle binary search data structures sortings Statement E Codeforces Beta Round 52 (Div. 2) {56} PROGRAMMING CodeForces Beta Round #52 :: Разбор задач 2100
511 Need For Brake binary search greedy sortings Statement B Codeforces Beta Round 66 {73} PROGRAMMING Codeforces Beta Round #66 editorial: Problems D, E, F 2000
1720 Doctor binary search math sortings Statement B Codeforces Beta Round 72 (Div. 1 Only) {83} PROGRAMMING 1900
991 Guard Towers binary search ds geometry graphs sortings Statement E Yandex.Algorithm 2011: Round 1 {85} PROGRAMMING 2600
879 Mushroom Gnomes - 2 binary search data structures probabilities sortings Statement C Codeforces Beta Round 99 (Div. 1) {138} PROGRAMMING 2500
598 Buses and People binary search data structures sortings Statement E Codeforces Round 111 (Div. 2) {160} PROGRAMMING 2400
18138 Rank List binary search implementation sortings Statement A Codeforces Round 113 (Div. 2) {166} PROGRAMMING 1200
450 Gripping Story binary search data structures sortings Statement E Codeforces Round 125 (Div. 1) {198} PROGRAMMING 2400
3490 Blood Cousins Return binary search data structures dfs and similar dp sortings Statement E Codeforces Round 151 (Div. 2) {246} PROGRAMMING 2300
555 Printer binary search data structures implementation sortings Statement E Codeforces Round 154 (Div. 2) {253} PROGRAMMING 2300
10153 k-Multiple Free Set binary search greedy sortings Statement A Codeforces Round 168 (Div. 1) {274} PROGRAMMING Codeforces Round #168 Editorial 1600
2133 Characteristics of Rectangles binary search bitmasks brute force implementation sortings Statement D Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2100
1158 Summer Earnings binary search bitmasks brute force geometry sortings Statement E Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2400
13375 Mafia binary search math sortings Statement A Codeforces Round 202 (Div. 1) {348} PROGRAMMING Editorial for Codeforces Round #202 1700
271 Looking for Owls binary search data structures geometry hashing sortings Statement D Codeforces Round 203 (Div. 2) {350} PROGRAMMING Editorial Codeforces Round #203 (Div. 2) 2600
2132 Preparing for the Contest binary search data structures greedy sortings Statement B Codeforces Round 222 (Div. 1) {377} PROGRAMMING 2100
549 Bug in Code binary search data structures sortings Statement D Coder-Strike 2014 - Finals (online edition, Div. 2) {421} PROGRAMMING Editorial Coder-Strike 2014 Finals 2100
7837 Megacity binary search greedy implementation sortings Statement B Codeforces Round 242 (Div. 2) {424} PROGRAMMING Codeforces Round #242 (Div. 2) Editorial 1200
78021 Vanya and Lanterns binary search implementation math sortings Statement B Codeforces Round 280 (Div. 2) {492} PROGRAMMING Разбор задач 1200
3190 Vanya and Computer Game binary search implementation math sortings Statement D Codeforces Round 280 (Div. 2) {492} PROGRAMMING Разбор задач 1800
2063 The Art of Dealing with ATM binary search sortings Statement C VK Cup 2015 - Round 1 {524} PROGRAMMING 1800
4870 One-Dimensional Battle Ships binary search data structures greedy sortings Statement D Codeforces Round #Pi (Div. 2) {567} PROGRAMMING Editorial Codeforces Round #Pi 1800
3962 Road to Cinema binary search greedy sortings Statement C Technocup 2017 - Elimination Round 2 {729} PROGRAMMING 1700
5607 Exams binary search greedy sortings Statement D Codeforces Round 377 (Div. 2) {732} PROGRAMMING 1700
2473 Fedor and coupons binary search data structures greedy sortings Statement D Codeforces Round 390 (Div. 2) {754} PROGRAMMING 2000
4082 Dasha and Very Difficult Problem binary search brute force constructive algorithms greedy sortings Statement D Codeforces Round 394 (Div. 2) {761} PROGRAMMING 1700
14749 Sagheer and Nubian Market binary search sortings Statement C Codeforces Round 417 (Div. 2) {812} PROGRAMMING 1500
4622 Hacker, pack your bags! binary search greedy implementation sortings Statement C Codeforces Round 422 (Div. 2) {822} PROGRAMMING 1600
7284 Office Keys binary search brute force dp greedy sortings Statement A Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} PROGRAMMING 1900
1691 Mahmoud and Ehab and the function binary search data structures sortings Statement E Codeforces Round 435 (Div. 2) {862} PROGRAMMING 2200
165 Little Brother binary search geometry sortings Statement E Codeforces Round 444 (Div. 2) {887} PROGRAMMING 2700
4833 Too Easy Problems binary search brute force data structures greedy sortings Statement D Hello 2018 {913} PROGRAMMING 1800
2214 Resource Distribution binary search implementation sortings Statement B VK Cup 2018 - Round 3 {925} PROGRAMMING Разбор VK 2018 Round 3 + Codeforces Round #477 1800
835 Curfew binary search brute force greedy sortings Statement D Codeforces Round 469 (Div. 1) {949} PROGRAMMING 2400
1940 Water Taps binary search greedy sortings Statement E Educational Codeforces Round 40 (Rated for Div. 2) {954} PROGRAMMING 58519 2000
991 Guard Duty (medium) binary search dp greedy sortings Statement E2 Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) {958} PROGRAMMING 2300
665 Large Triangle binary search geometry sortings Statement D Codeforces Round 503 (by SIS, Div. 1) {1019} PROGRAMMING 61161 2700
9184 Cutting Out binary search sortings Statement D Codeforces Round 521 (Div. 3) {1077} PROGRAMMING Codeforces Round #521 (Div. 3) Editorial 1600
1017 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
11601 Alyona and a Narrow Fridge binary search flows greedy sortings Statement B Codeforces Global Round 2 {1119} PROGRAMMING Codeforces Global Round 2 Editorial 1300
4899 Frets On Fire binary search sortings Statement D Codeforces Global Round 2 {1119} PROGRAMMING Codeforces Global Round 2 Editorial 1700
15018 Birthday binary search greedy sortings Statement C Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 1200
5476 The Doctor Meets Vader (Easy) binary search sortings Statement B1 Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} PROGRAMMING helvetic-coding-contest-2019-editorial.pdf 1400
1704 Culture Code binary search combinatorics data structures dp shortest paths sortings Statement E Educational Codeforces Round 69 (Rated for Div. 2) {1197} PROGRAMMING E 2300
9571 Welfare State binary search brute force data structures sortings Statement B Codeforces Round 576 (Div. 1) {1198} PROGRAMMING E 1600
25092 Maximum Median binary search greedy math sortings Statement C Codeforces Round 577 (Div. 2) {1201} PROGRAMMING Codeforces Round #577 (Div 2) Editorial 1400
1077 Choose a Square binary search data structures sortings Statement F Educational Codeforces Round 73 (Rated for Div. 2) {1221} PROGRAMMING Разбор Educational Codeforces Round 73 2500
4389 Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings Statement C2 Codeforces Global Round 5 {1237} PROGRAMMING T 1900
6105 Salary Changing binary search greedy sortings Statement D Educational Codeforces Round 75 (Rated for Div. 2) {1251} PROGRAMMING 70860 1800
3942 A Game with Traps binary search dp greedy sortings Statement D Educational Codeforces Round 77 (Rated for Div. 2) {1260} PROGRAMMING Educational Codeforces Round 77 Editorial 1900
10943 New Year and Ascent Sequence binary search combinatorics data structures dp implementation sortings Statement B Hello 2020 {1284} PROGRAMMING Hello 2020 Editorial 1500
3198 New Year and Conference binary search data structures hashing sortings Statement D Hello 2020 {1284} PROGRAMMING Hello 2020 Editorial 2100
6520 Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings Statement D Codeforces Round 621 (Div. 1 + Div. 2) {1307} PROGRAMMING 2000.0 Codeforces Round #621 (Div. 1 + Div. 2) Editorial 1900
4288 Present binary search bitmasks constructive algorithms data structures math sortings Statement B Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) {1322} PROGRAMMING 1000.0 Codeforces Round #626 Editorial
35470 Two Teams Composing binary search greedy implementation sortings Statement C Codeforces Round 634 (Div. 3) {1335} PROGRAMMING 75993 1100