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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 47771 | Magical Sticks | math | Statement | A | Codeforces Round 654 (Div. 2) {1371} | PROGRAMMING | 500.0 | Codeforces Round #654 (Div. 2) Editorial | |
| 56904 | Required Remainder | math | Statement | A | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 55764 | Multiply by 2, divide by 6 | math | Statement | B | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 40483 | Three Pairwise Maximums | math | Statement | A | Codeforces Round 656 (Div. 3) {1385} | PROGRAMMING | Codeforces Round #656 (Div. 3) Editorial | 800 | |
| 70931 | Yet Another Two Integers Problem | math | Statement | A | Codeforces Round 667 (Div. 3) {1409} | PROGRAMMING | Codeforces Round #667 (Div. 3) Editorial | ||
| 25369 | Buying Torches | math | Statement | A | Educational Codeforces Round 95 (Rated for Div. 2) {1418} | PROGRAMMING | Unofficial Editorial for Educational Round 95 (Div. 2) | ||
| 397 | Coins | math | Statement | F | Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} | PROGRAMMING | FinalsEditorial2020.pdf | ||
| 43 | Captain of Knights | math | Statement | C | 2020 ICPC, COMPFEST 12, Indonesia Multi-Provincial Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1425} | PROGRAMMING | Tutorial | 3100 | |
| 16473 | Box is Pull | math | Statement | A | Codeforces Raif Round 1 (Div. 1 + Div. 2) {1428} | PROGRAMMING | 500.0 | Codeforces Raif Round 1 Editorial | |
| 22944 | Reorder | math | Statement | A | Codeforces Round 678 (Div. 2) {1436} | PROGRAMMING | 500.0 | Codeforces Round #678 (Div. 2). Editorial | |
| 15512 | Elimination | math | Statement | B | Codeforces Round 680 (Div. 2, based on Moscow Team Olympiad) {1445} | PROGRAMMING | 1000.0 | Codeforces Round #680 Editorial | |
| 22402 | Robot Program | math | Statement | A | Educational Codeforces Round 98 (Rated for Div. 2) {1452} | PROGRAMMING | 84847 | ||
| 26398 | Dungeon | math | Statement | A | Educational Codeforces Round 100 (Rated for Div. 2) {1463} | PROGRAMMING | Educational Codeforces Round 100 Editorial | ||
| 22987 | Three swimmers | math | Statement | A | Codeforces Round 704 (Div. 2) {1492} | PROGRAMMING | 500.0 | Codeforces Round #704 Editorial | |
| 31195 | Strange Table | math | Statement | A | Codeforces Round 710 (Div. 3) {1506} | PROGRAMMING | Editorial | ||
| 29473 | Red and Blue Beans | math | Statement | A | Educational Codeforces Round 108 (Rated for Div. 2) {1519} | PROGRAMMING | Educational Codeforces Round 108 Editorial | ||
| 21304 | Binary Decimal | math | Statement | A | Codeforces Round 733 (Div. 1 + Div. 2, based on VK Cup 2021 - Elimination (Engine)) {1530} | PROGRAMMING | 500.0 | Codeforces Round #733 Editorial (all problems) | |
| 32204 | Friends and Candies | math | Statement | B | Codeforces Round 725 (Div. 3) {1538} | PROGRAMMING | Codeforces Round #725 (Div. 3) Editorial | ||
| 47117 | Odd Set | math | Statement | A | Codeforces Round 729 (Div. 2) {1542} | PROGRAMMING | 500.0 | ||
| 53858 | Polycarp and Coins | math | Statement | A | Codeforces Round 734 (Div. 3) {1551} | PROGRAMMING | Editorial for Codeforces Round #734 (Div.3) | ||
| 18195 | A Variety of Operations | math | Statement | A | Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) {1556} | PROGRAMMING | 500.0 | 94384 | 800 |
| 36889 | Who's Opposite? | math | Statement | B | Codeforces Round 739 (Div. 3) {1560} | PROGRAMMING | 94009 | 800 | |
| 129 | Finding Expected Value | math | Statement | F | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 751 | GCD Festival | math | Statement | G | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 13661 | CQXYM Count Permutations | math | Statement | A | Codeforces Round 745 (Div. 2) {1581} | PROGRAMMING | 500.0 | Codeforces Round #745 Editorial | 800 |
| 18852 | Luntik and Concerts | math | Statement | A | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 500.0 | Codeforces Round #750 (Div.2) Editorial | |
| 15082 | Mathematical Addition | math | Statement | A | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 500.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 800 |
| 4025 | Yet Another Sorting Problem | math | Statement | D | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 2000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 25454 | Consecutive Sum Riddle | math | Statement | A | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 500.0 | 95525 | 800 |
| 29190 | Odd Grasshopper | math | Statement | B | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 32996 | Polycarp and Sums of Subsequences | math | Statement | A | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 25213 | Paint the Array | math | Statement | C | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 30839 | Construct a Rectangle | math | Statement | A | Educational Codeforces Round 120 (Rated for Div. 2) {1622} | PROGRAMMING | Educational Codeforces Round 120 Editorial | ||
| 54800 | Plus One on the Subset | math | Statement | A | Codeforces Round 764 (Div. 3) {1624} | PROGRAMMING | Codeforces Round #764 (Div. 3) Editorial | ||
| 24613 | Square Counting | math | Statement | A | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 750.0 | Codeforces Round #774 (Div. 2) Editorial | 800 |
| 28533 | DIV + MOD | math | Statement | B | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 24309 | Integer Moves | math | Statement | A | Educational Codeforces Round 125 (Rated for Div. 2) {1657} | PROGRAMMING | 101161 | ||
| 37127 | Vasya and Coins | math | Statement | A | Codeforces Round 780 (Div. 3) {1660} | PROGRAMMING | Codeforces Round #780 (Div. 3) Editorial | ||
| 28626 | Vlad and Candies | math | Statement | B | Codeforces Round 780 (Div. 3) {1660} | PROGRAMMING | Codeforces Round #780 (Div. 3) Editorial | ||
| 155 | Round Table | math | Statement | E | SWERC 2021-2022 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1662} | PROGRAMMING | 102042 | ||
| 3149 | Boundary | math | Statement | H | SWERC 2021-2022 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1662} | PROGRAMMING | 102042 | ||
| 3465 | Mike's Sequence | math | Statement | B | April Fools Day Contest 2022 {1663} | PROGRAMMING | April Fools Day Contest 2022 Editorial | ||
| 74 | Heroes of Might | math | Statement | H | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | |||
| 34393 | Food for Animals | math | Statement | A | Codeforces Round 787 (Div. 3) {1675} | PROGRAMMING | 102550 | ||
| 21867 | Minimums and Maximums | math | Statement | A | Educational Codeforces Round 128 (Rated for Div. 2) {1680} | PROGRAMMING | 102852 | ||
| 9534 | Accumulation of Dominoes | math | Statement | A | COMPFEST 14 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1725} | PROGRAMMING | Tutorial | ||
| 42307 | Two Elevators | math | Statement | A | Codeforces Round 820 (Div. 3) {1729} | PROGRAMMING | Codeforces Round #820 (Div. 3) Editorial | ||
| 24543 | The Ultimate Square | math | Statement | A | Codeforces Round 833 (Div. 2) {1748} | PROGRAMMING | 500.0 | Codeforces Round #833 (Div. 2) Editorial | 800 |
| 22731 | Lost Permutation | math | Statement | B | Codeforces Round 834 (Div. 3) {1759} | PROGRAMMING | 109254 | ||
| 10713 | Exchange | math | Statement | E | 2022-2023 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Preferably Teams) {1765} | PROGRAMMING | 109642 | 1000 | |
| 19416 | Minimum LCM | math | Statement | M | 2022-2023 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Preferably Teams) {1765} | PROGRAMMING | 109642 | 1000 | |
| 16842 | Absolute Sorting | math | Statement | D | Codeforces Round 839 (Div. 3) {1772} | PROGRAMMING | 110313 | ||
| 89 | Count Permutations | math | Statement | N | SWERC 2022-2023 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1776} | PROGRAMMING | |||
| 15353 | Parallel Projection | math | Statement | A | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 500.0 | Tutorial | |
| 190 | Strange Triples | math | Statement | F | Educational Codeforces Round 144 (Rated for Div. 2) {1796} | PROGRAMMING | Educational Codeforces Round 144 Editorial | ||
| 150 | Last Number | math | Statement | H | CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) {1810} | PROGRAMMING | 3500.0 | Editorial of CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) | |
| 21323 | Conveyor Belts | math | Statement | B | Codeforces Round 863 (Div. 3) {1811} | PROGRAMMING | 114788 | ||
| 33908 | Coins | math | Statement | A | Educational Codeforces Round 146 (Rated for Div. 2) {1814} | PROGRAMMING | Educational Codeforces Round 146 Editorial | ||
| 1085 | Similar Polynomials | math | Statement | C | Codeforces Round 869 (Div. 1) {1817} | PROGRAMMING | 1250.0 | Codeforces Round #869 (Div.1, Div.2) Editorial | |
| 23713 | Bun Lover | math | Statement | C | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 21999 | Blackboard List | math | Statement | A | Codeforces Round 877 (Div. 2) {1838} | PROGRAMMING | 500.0 | Codeforces Round #877 (Div. 2) Editorial | |
| 28703 | Dalton the Teacher | math | Statement | A | Codeforces Round 889 (Div. 2) {1855} | PROGRAMMING | 500.0 | Editorial of Codeforces Round 889 (Div. 1 + Div. 2) | |
| 28807 | Ambitious Kid | math | Statement | A | COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} | PROGRAMMING | COMPFEST 15 Preliminary — Editorial | ||
| 27790 | Plus Minus Permutation | math | Statement | D | Codeforces Round 895 (Div. 3) {1872} | PROGRAMMING | Codeforces Round 895 (Div. 3) Editorial | ||
| 30059 | Goals of Victory | math | Statement | A | Codeforces Round 902 (Div. 2, based on COMPFEST 15 - Final Round) {1877} | PROGRAMMING | 500.0 | Codeforces Round #902 (Div. 1, Div. 2, based on COMPFEST 15 — Final Round) Editorial | |
| 38958 | Vasilije in Cacak | math | Statement | C | Codeforces Round 900 (Div. 3) {1878} | PROGRAMMING | Codeforces round #900 (Div.3) Editorial | ||
| 26598 | Three Threadlets | math | Statement | B | Codeforces Round 903 (Div. 3) {1881} | PROGRAMMING | 121327 | ||
| 26831 | Morning | math | Statement | A | Codeforces Round 905 (Div. 3) {1883} | PROGRAMMING | 500.0 | Codeforces Round #905 (Div. 1, Div. 2, Div. 3) Editorial | |
| 33061 | Raspberries | math | Statement | C | Codeforces Round 905 (Div. 3) {1883} | PROGRAMMING | 1500.0 | Codeforces Round #905 (Div. 1, Div. 2, Div. 3) Editorial | |
| 24962 | Treasure Chest | math | Statement | A | Educational Codeforces Round 157 (Rated for Div. 2) {1895} | PROGRAMMING | Educational Codeforces Round 157 Editorial | ||
| 42137 | Line Trip | math | Statement | A | Educational Codeforces Round 158 (Rated for Div. 2) {1901} | PROGRAMMING | Educational Codeforces Round 158 Editorial | ||
| 23567 | Constructive Problems | math | Statement | A | Codeforces Round 915 (Div. 2) {1905} | PROGRAMMING | 500.0 | Codeforces Round 915 (Div. 2) Editorial | |
| 1690 | Divisibility Test | math | Statement | D | 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} | PROGRAMMING | Tutorials (PDF) | 1900 | |
| 25351 | Destroying Bridges | math | Statement | A | Codeforces Round 934 (Div. 2) {1944} | PROGRAMMING | 500.0 | Codeforces Round #934 (Div1, Div2) Editorial | |
| 1117 | Mathematician Takeover | math | Statement | G | April Fools Day Contest 2024 {1952} | PROGRAMMING | April Fools Day Contest 2024 Editorial | ||
| 25452 | Painting the Ribbon | math | Statement | A | Educational Codeforces Round 164 (Rated for Div. 2) {1954} | PROGRAMMING | Educational Codeforces Round 164 Editorial | ||
| 46895 | Yogurt Sale | math | Statement | A | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 35809 | Little Nikita | math | Statement | A | Codeforces Round 948 (Div. 2) {1977} | PROGRAMMING | 500.0 | 129858 | 800 |
| 47906 | Legs | math | Statement | A | Codeforces Round 962 (Div. 3) {1996} | PROGRAMMING | Codeforces Round 962 (Div. 3) Editorial | ||
| 30408 | Robin Hood and the Major Oak | math | Statement | B | Codeforces Round 974 (Div. 3) {2014} | PROGRAMMING | |||
| 21144 | Profitable Interest Rate | math | Statement | A | Codeforces Round 980 (Div. 2) {2024} | PROGRAMMING | 500.0 | ||
| 137 | The Destruction of the Universe (Hard Version) | math | Statement | G2 | Codeforces Round 979 (Div. 2) {2030} | PROGRAMMING | 1500.0 | ||
| 16759 | Sliding | math | Statement | A | Codeforces Global Round 27 {2035} | PROGRAMMING | 250.0 | ||
| 24686 | Shape Perimeter | math | Statement | A | Codeforces Round 997 (Div. 2) {2056} | PROGRAMMING | 500.0 | ||
| 28126 | Minimal Coprime | math | Statement | A | Codeforces Round 1000 (Div. 2) {2063} | PROGRAMMING | 500.0 | ||
| 47 | Hard Formula | math | Statement | G1 | Codeforces Round 1010 (Div. 1, Unrated) {2081} | PROGRAMMING | 1500.0 | ||
| 23 | Hard Formula (Hard Version) | math | Statement | G2 | Codeforces Round 1010 (Div. 1, Unrated) {2081} | PROGRAMMING | 1500.0 | ||
| 24373 | Cloudberry Jam | math | Statement | A | Educational Codeforces Round 177 (Rated for Div. 2) {2086} | PROGRAMMING |