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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 398 | Pairs | dfs and similar dp dsu graphs implementation trees | Statement | E | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 2600 | ||
| 1051 | Beautiful Road | dfs and similar dp dsu graphs implementation sortings trees | Statement | D | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 2300 | |
| 1856 | Lucky Country | dp dsu graphs | Statement | E | Codeforces Beta Round 77 (Div. 1 Only) {95} | PROGRAMMING | Codeforces Beta Round #77 - Analysis | 2400 | |
| 1352 | Clearing Up | constructive algorithms dp dsu graphs | Statement | E | Codeforces Round 101 (Div. 2) {141} | PROGRAMMING | Codeforces Round #101 (Div. 2) Разбор Задач. | 2600 | |
| 14869 | Mr. Kitayuta's Colorful Graph | dfs and similar dp dsu graphs | Statement | B | Codeforces Round 286 (Div. 2) {505} | PROGRAMMING | Tutorial | 1500 | |
| 2172 | Table Compression | dfs and similar dp dsu graphs greedy | Statement | C | Codeforces Round 345 (Div. 1) {650} | PROGRAMMING | Codeforces Round #345: editorial | 2300 | |
| 11854 | 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 | |
| 3891 | Mahmoud and a Dictionary | data structures dfs and similar dp dsu graphs | Statement | D | Codeforces Round 396 (Div. 2) {766} | PROGRAMMING | Codeforces round #396 editorial | 2000 | |
| 1767 | Power Tree | dfs and similar dp dsu graphs greedy trees | Statement | D | Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} | PROGRAMMING | Разбор задач финала Технокубка 2019 и Codeforces Round #543 | 2400 | |
| 3617 | Gourmet choice | dfs and similar dp dsu graphs greedy | Statement | D | Codeforces Round 541 (Div. 2) {1131} | PROGRAMMING | Codeforces Round #541 Editorial | 2000 | |
| 2999 | Tourism | dfs and similar dp dsu graphs greedy trees | Statement | E | Codeforces Round 586 (Div. 1 + Div. 2) {1220} | PROGRAMMING | Codeforces Round #586 Editorial | 2200 | |
| 1372 | Kuroni and Antihype | bitmasks dp dsu graphs | Statement | G | Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) {1305} | PROGRAMMING | 3250.0 | Ozon Tech Challenge 2020 Editorial | 3300 |
| 1292 | Clusterization Counting | combinatorics dp dsu fft graphs | Statement | G | Grakn Forces 2020 {1408} | PROGRAMMING | 3000.0 | Grakn Forces -- Editorial | |
| 13768 | Little Alawn's Puzzle | combinatorics dfs and similar dp dsu graphs math | Statement | C | Codeforces LATOKEN Round 1 (Div. 1 + Div. 2) {1534} | PROGRAMMING | 1250.0 | Codeforces LATOKEN Round 1 (Div. 1 + Div. 2) Editorial | |
| 895 | Jumping Around | data structures divide and conquer dp dsu graphs shortest paths trees | Statement | F | Educational Codeforces Round 111 (Rated for Div. 2) {1550} | PROGRAMMING | Educational Codeforces Round 111 Editorial | ||
| 740 | Occurrences | combinatorics dp dsu fft graphs | Statement | F | Educational Codeforces Round 114 (Rated for Div. 2) {1574} | PROGRAMMING | 95188 | ||
| 9321 | The Number of Imposters | constructive algorithms dfs and similar dp dsu graphs | Statement | D | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1750.0 | 95525 | 1700 |
| 1449 | Coloring | brute force combinatorics constructive algorithms dfs and similar dp dsu graphs implementation | Statement | E | Educational Codeforces Round 130 (Rated for Div. 2) {1697} | PROGRAMMING | 103835 | ||
| 2385 | Light Bulbs (Easy Version) | brute force combinatorics dfs and similar dp dsu graphs math | Statement | G1 | Codeforces Round 916 (Div. 3) {1914} | PROGRAMMING | Codeforces Round 916 (Div. 3) Editorial | ||
| 1805 | Light Bulbs (Hard Version) | combinatorics data structures dfs and similar dp dsu graphs hashing | Statement | G2 | Codeforces Round 916 (Div. 3) {1914} | PROGRAMMING | Codeforces Round 916 (Div. 3) Editorial | ||
| 23367 | Sakurako's Hobby | dp dsu graphs math | Statement | D | Codeforces Round 970 (Div. 3) {2008} | PROGRAMMING | Codeforces Round 970 (Div. 3) Editorial | ||
| 7392 | Connect the Dots | brute force dfs and similar dp dsu graphs math trees | Statement | D | Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 {2020} | PROGRAMMING | 1500.0 | Tutorial for Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 | |
| 1918 | Digital Village (Easy Version) | brute force data structures dp dsu graphs greedy implementation math shortest paths trees | Statement | E1 | Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} | PROGRAMMING | 1750.0 | Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial | |
| 1198 | Digital Village (Hard Version) | data structures dp dsu graphs math trees | Statement | E2 | Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} | PROGRAMMING | 750.0 | Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial | |
| 3796 | Medium Demon Problem (hard version) | dfs and similar dp dsu graphs implementation trees | Statement | G2 | Codeforces Round 993 (Div. 4) {2044} | PROGRAMMING | Codeforces Round 993 (Div. 4) Editorial | ||
| 2481 | Red Light, Green Light (Hard version) | binary search dfs and similar dp dsu graphs implementation number theory | Statement | D2 | Codeforces Round 1030 (Div. 2) {2118} | PROGRAMMING | 1000.0 | Codeforces Round 1030 (Div. 2) Editorial |