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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 23926 | GCD Compression | brute force constructive algorithms math number theory | Statement | B | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 1000.0 | Editorial — Codeforces Round #651 | |
| 2771 | Sum of Digits | brute force constructive algorithms dp greedy math number theory | Statement | E | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 25091 | Captain Flint and Crew Recruitment | brute force math number theory | Statement | A | Codeforces Round 660 (Div. 2) {1388} | PROGRAMMING | 750.0 | Codeforces Round #660 Editorial | 800 |
| 17195 | Big Vova | brute force greedy math number theory | Statement | B | Codeforces Round 669 (Div. 2) {1407} | PROGRAMMING | 1000.0 | Codeforces Round #669 Editorial | |
| 9561 | Ceil Divisions | brute force constructive algorithms math number theory | Statement | D | Educational Codeforces Round 101 (Rated for Div. 2) {1469} | PROGRAMMING | Educational Codeforces Round 101 Editorial | ||
| 1963 | Digits | brute force dp math number theory | Statement | D | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | nerc-2020-offline-tutorial.pdf | ||
| 8402 | Short Task | brute force dp math number theory | Statement | G | Codeforces Round 713 (Div. 3) {1512} | PROGRAMMING | Codeforces Round #713 (Div. 3) Editorial | ||
| 45402 | Ordinary Numbers | brute force math number theory | Statement | B | Codeforces Round 719 (Div. 3) {1520} | PROGRAMMING | Editorial | ||
| 29706 | Pleasant Pairs | brute force math number theory | Statement | B | Codeforces Round 728 (Div. 2) {1541} | PROGRAMMING | 1000.0 | Tutorial | |
| 266 | Gregor and the Odd Cows (Hard) | brute force geometry math number theory | Statement | D2 | Codeforces Round 736 (Div. 1) {1548} | PROGRAMMING | 1000.0 | Codeforces Round 736 Editorial | |
| 4875 | Up the Strip | brute force dp math number theory | Statement | B | Codeforces Round 740 (Div. 1, based on VK Cup 2021 - Final (Engine)) {1558} | PROGRAMMING | 1250.0 | Codeforces Round #740 Editorial | 1900 |
| 5696 | Up the Strip (simplified version) | brute force data structures dp math number theory | Statement | D1 | Codeforces Round 740 (Div. 2, based on VK Cup 2021 - Final (Engine)) {1561} | PROGRAMMING | 1500.0 | Codeforces Round #740 Editorial | 1700 |
| 19819 | Scenes From a Memory | brute force implementation math number theory | Statement | B | Codeforces Round 741 (Div. 2) {1562} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 741 (Div. 2) | |
| 2509 | Power Board | brute force math number theory | Statement | E | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 2500.0 | Codeforces Round #774 (Div. 2) Editorial | 2200 |
| 25857 | AvtoBus | brute force greedy math number theory | Statement | A | Codeforces Round 791 (Div. 2) {1679} | PROGRAMMING | 500.0 | Codeforces Round #791 (Div. 2) Editorial | |
| 17422 | Add Modulo 10 | brute force math number theory | Statement | E | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 2828 | Madoka and The Best University | brute force math number theory | Statement | E | Codeforces Round 818 (Div. 2) {1717} | PROGRAMMING | 2000.0 | Codeforces Round #818 (Div. 2) Editorial. | 2200 |
| 3089 | Fibonacci Strings | brute force data structures greedy implementation math number theory | Statement | B | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 1651 | Tonya and Burenka-179 | brute force data structures greedy math number theory | Statement | C | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 15451 | Bestie | brute force constructive algorithms implementation math number theory | Statement | A | Codeforces Round 830 (Div. 2) {1732} | PROGRAMMING | 750.0 | 108327 | 1000 |
| 11204 | Divisible Numbers (easy version) | brute force math number theory | Statement | E1 | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 5756 | Divisible Numbers (hard version) | brute force math number theory | Statement | E2 | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 9206 | Lucky Chains | brute force dp greedy math number theory | Statement | D | Educational Codeforces Round 139 (Rated for Div. 2) {1766} | PROGRAMMING | 110066 | ||
| 19048 | GCD Partition | brute force greedy math number theory | Statement | B | Codeforces Round 846 (Div. 2) {1780} | PROGRAMMING | 1000.0 | 111841 | |
| 5634 | Many Perfect Squares | brute force math number theory | Statement | D | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 2000.0 | Tutorial | |
| 2165 | Game of the Year | brute force math number theory | Statement | E | Educational Codeforces Round 141 (Rated for Div. 2) {1783} | PROGRAMMING | Educational Codeforces Round 141 Editorial | ||
| 840 | Serval and Music Game | brute force combinatorics implementation math number theory | Statement | E | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 2000.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 20334 | Serval and Mocha's Array | brute force math number theory | Statement | A | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 500.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 1354 | Li Hua and Array | brute force data structures math number theory | Statement | E | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 2250.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 12496 | Pull Your Luck | brute force greedy math number theory | Statement | C | Nebius Welcome Round (Div. 1 + Div. 2) {1804} | PROGRAMMING | 1000.0 | Nebius Welcome Round Editorial | |
| 7327 | Magic Triples (Easy Version) | brute force math number theory | Statement | G1 | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 2503 | Magic Triples (Hard Version) | brute force math number theory | Statement | G2 | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 812 | Vika and Stone Skipping | brute force math number theory | Statement | E | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 2250.0 | Codeforces Round #885 (Div.2) Editorial | |
| 20374 | We Were Both Children | brute force implementation math number theory | Statement | F | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 28667 | Longest Divisors Interval | brute force combinatorics greedy math number theory | Statement | B | Codeforces Round 889 (Div. 2) {1855} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 889 (Div. 1 + Div. 2) | |
| 11661 | The Walkway | brute force greedy implementation math number theory | Statement | B | Codeforces Round 893 (Div. 2) {1858} | PROGRAMMING | 1250.0 | Codeforces Round #893 (Div. 2) Editorial | 1500 |
| 4426 | Small GCD | brute force math number theory | Statement | D | Codeforces Round 911 (Div. 2) {1900} | PROGRAMMING | 2000.0 | Codeforces Round 911 (Div. 2) Editorial | |
| 14359 | Insert and Equalize | brute force constructive algorithms greedy math number theory | Statement | C | Educational Codeforces Round 159 (Rated for Div. 2) {1902} | PROGRAMMING | Educational Codeforces Round 159 Editorial | ||
| 20683 | A Balanced Problemset? | brute force greedy math number theory | Statement | B | Codeforces Round 921 (Div. 2) {1925} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
| 8920 | Physical Education Lesson | brute force math number theory | Statement | C | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1500.0 | Codeforces Round 924 Editorial | |
| 1041 | Nobody is needed | brute force data structures dp math number theory | Statement | F | Codeforces Round 936 (Div. 2) {1946} | PROGRAMMING | 2750.0 | Codeforces Round #936 (Div. 2) Editorial | |
| 4743 | GCD on a grid | brute force dfs and similar dp math number theory | Statement | G | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 1325 | Carousel of Combinations | brute force combinatorics dp math number theory | Statement | E | Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} | PROGRAMMING | 2250.0 | Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial | 2400 |
| 13783 | Reverse Card (Easy Version) | brute force math number theory | Statement | B1 | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 500.0 | Tutorial | 1400 |
| 4046 | Reverse Card (Hard Version) | brute force math number theory | Statement | B2 | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 750.0 | Tutorial | 2200 |
| 35522 | Maximize? | brute force math number theory | Statement | A | Codeforces Round 943 (Div. 3) {1968} | PROGRAMMING | 129096 | 800 | |
| 7429 | Beauty of the mountains | brute force data structures implementation math number theory | Statement | D | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1750.0 | 130839 | |
| 17456 | Collatz Conjecture | brute force implementation math number theory | Statement | B | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1000.0 | 130839 | |
| 1558 | Permutation Problem (Simple Version) | brute force combinatorics math number theory | Statement | G1 | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 | ||
| 1143 | Permutation Problem (Hard Version) | brute force data structures hashing math number theory | Statement | G2 | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 | ||
| 1031 | Dyn-scripted Robot (Easy Version) | brute force chinese remainder theorem constructive algorithms math number theory | Statement | F1 | Codeforces Round 963 (Div. 2) {1993} | PROGRAMMING | 2500.0 | ||
| 8893 | Squaring | brute force constructive algorithms data structures greedy implementation math number theory | Statement | C | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 1750.0 | Video Tutorial | |
| 858 | Court Blue (Easy Version) | brute force dfs and similar dp math number theory | Statement | F1 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 2000.0 | ||
| 451 | Court Blue (Hard Version) | brute force dp math number theory | Statement | F2 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 1250.0 | ||
| 3381 | Prefix GCD | brute force dp greedy math number theory | Statement | E | Codeforces Round 973 (Div. 2) {2013} | PROGRAMMING | 2500.0 | ||
| 15396 | Maximize Mex | brute force greedy math number theory | Statement | B | Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} | PROGRAMMING | 750.0 | ||
| 2720 | Common Generator | brute force constructive algorithms greedy math number theory | Statement | E | Refact.ai Match 1 (Codeforces Round 985) {2029} | PROGRAMMING | 2500.0 | ||
| 12150 | Penchick and BBQ Buns | brute force constructive algorithms math number theory | Statement | C | Codeforces Round 987 (Div. 2) {2031} | PROGRAMMING | 1500.0 | ||
| 5674 | Kosuke's Sloth | brute force math number theory | Statement | F | Codeforces Round 981 (Div. 3) {2033} | PROGRAMMING | |||
| 15335 | King Keykhosrow's Mystery | brute force chinese remainder theorem math number theory | Statement | A | Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} | PROGRAMMING | 500.0 | ||
| 5253 | Problem about GCD | brute force math number theory | Statement | D | Educational Codeforces Round 173 (Rated for Div. 2) {2043} | PROGRAMMING | |||
| 19314 | Kevin and Combination Lock | brute force implementation math number theory | Statement | A | Codeforces Global Round 28 {2048} | PROGRAMMING | 250.0 |