CodeForces
| Contest |
Problem |
Difficuilty |
Tags |
| Edu Round 20 |
|
|
|
| 803A |
Maximal Binary Matrix |
M+ |
Greedy |
| 803C |
Maximal GCD |
M+ |
Math |
| Edu Round 63 |
|
|
|
| 1115C |
Alarm_Clocks_Everywhere |
M+ |
Math |
| 1115D |
Beautiful-Array |
H- |
DP |
| Round 555 Div3 |
|
|
|
| 1157C |
Increasing-Subsequence |
M+ |
|
| 1157D |
N_Problems_During_K_Days |
M+ |
|
| 1157F |
Maximum-Balanced-Circle |
H- |
|
| Round 556 Div2 |
|
|
|
| 1150A |
Stock_Arbitraging |
M |
Greedy |
| 1150D |
Three-Religions |
H |
DP |
| Edu Round 64 |
|
|
|
| 1156C |
Ugly-Pairs |
H- |
greedy |
| 1156C |
Match-Points |
H- |
greedy |
| 1156D |
0-1-Tree |
H |
union-find |
| Round 557 Div2 |
|
|
|
| 1162C |
Hide-and-Seek |
M+ |
greedy |
| 1162D |
Chladni-Figure |
H |
string, KMP |
| Round 558 Div2 |
|
|
|
| 1163B |
Cat-Party |
M+ |
Hash |
| 1163C |
Power-Transmission |
H- |
Hash |
| 1163D |
Mysterious-Code |
H+ |
DP, KMP |
| Round 559 Div2 |
|
|
|
| 1159C |
The-Party-and-Sweets |
H- |
greedy |
| 1159D |
The-minimal-unique-substring |
H |
greedy, string |
| Round 560 Div3 |
|
|
|
| 1165E |
Two-Arrays-and-Sum-of-Functions |
M+ |
greedy |
| 1165F |
Microtransactions |
H |
greedy, binary search |
| Edu_65 Div2 |
|
|
|
| 1167B |
Lost-Numbers |
M |
math, hash |
| 1167D |
Bicolored-RBS |
M |
greedy, string |
| 1167E |
Range-Deleting |
H+ |
greedy |
| Round_561 Div2 |
|
|
|
| 1166B |
All-the-Vowels-Please |
M |
math |
| 1166C |
A-Tale-of-Two-Lands |
H |
math, two pointers |
| 1166D |
Cute-Sequences |
H |
math, binary search |
| 1166E |
The-LCMs-Must-be-Large |
H |
math, bit |
| Global Round 3 |
|
|
|
| 1148B |
Born-This-Way |
H- |
greedy |
| 1148C |
Crazy-Diamond |
H- |
greedy |
| 1148D |
Dirty-Deeds-Done-Dirt-Cheap |
H- |
greedy |
| Edu_66 Div2 |
|
|
|
| 1175C |
Electrification |
M+ |
two pointers |
| 1175D |
Array-Splitting |
H- |
math |
| 1175E |
Minimal-Segment-Cover |
H |
greedy, binary search |
| Round_564_Div2 |
|
|
|
| 1173C |
Nauuo-and-Cards |
H |
greedy |
| 1173D |
Nauuo-and-Circle |
H |
geometry, combinations |
| Round_562_Div2 |
|
|
|
| 1169B |
Pairs |
H- |
recursion |
| 1169C |
Increasing-by-Modulo |
H- |
greedy, binary search |
| 1169D |
Good-Triple |
H |
string, greedy |
| 1169E |
And-Reachability |
H |
DP |
| Edu_67 Div2 |
|
|
|
| 1187D |
Subarray-Sorting |
H+ |
greedy, BIT |
| 1187E |
Tree-Painting |
H |
graph, tree |
| Round_581_Div2 |
|
|
|
| 1204C |
Anna-Svyatoslav-and-Maps |
H- |
graph |
| 1204D |
Kirk-and-a-Binary-String |
H |
greedy, string |
| Edu_Round_72 |
|
|
|
| 1217B |
Zmei-Gorynich |
M |
math |
| 1217C |
The-Number-Of-Good-Substrings |
M+ |
greedy |
| 1217D |
Coloring-Edges |
H |
dfs, graph |
| Edu_Round_73 |
|
|
|
| 1221D |
Make-The-Fence-Great-Again |
H- |
dp |
| Round_587_Div3 |
|
|
|
| 1216C |
White-Sheet |
M+ |
math |
| Forethought |
|
|
|
| 1146C |
Tree-Diameter |
H- |
graph, recursive |
| Edu_Round_78 |
|
|
|
| 1278C |
Berry-Jam |
M |
Hash |
| 1278D |
Segment-Tree |
M+ |
greedy, Heap |
| Round_78_Div2 |
|
|
|
| 1282B |
K-for-the-Price-of-One |
H- |
greedy |
| 1282C |
Petya-and-Exam |
H- |
greedy |
| Edu_Round_79 |
|
|
|
| 1279D |
Santa's-Bot |
M+ |
math, probability |
| Goodbye-2019 |
|
|
|
| 1270C |
Make-Good |
H- |
math |
| 1270D |
Strange-Device |
M+ |
math |
| Round_611_Div3 |
|
|
|
| 1283C |
Friends-and-Gifts |
M |
math |
| 1283D |
Christmas-Trees |
M+ |
BFS |
| 1283E |
New-Year-Parties |
M+ |
greedy |
| Edu_Round_80 |
|
|
|
| 1288C |
Two-Arrays |
H- |
math, dp |
| 1288D |
Minimax-Problem |
H- |
binary search, bit |
| Edu_Round_82 |
|
|
|
| 1303D |
Fill-The-Bag |
M+ |
math,bit |
| Round_627 Div3 |
|
|
|
| 1324E |
Sleeping-Schedule |
M+ |
dp |
| 1324F |
Maximum-White-Subtree |
H- |
dfs,graph |
| Round_622 Div2 |
|
|
|
| 1313C |
Skyscrapers |
H- |
stack,dp |
| Round_626 Div2 |
|
|
|
| 1323B |
Count-Subrectangles |
M+ |
math |
| Edu_Round_85 |
|
|
|
| 1334C |
Circle-of-Monsters |
M+ |
math,greedy |
| Round_617_Div3 |
|
|
|
| 1296D |
Fight-with-Monsters |
M+ |
math,greedy |
| 1296E1 |
String-Coloring |
M+ |
greedy |
| VK_Cup |
|
|
|
| 1310A |
Recommendations |
H- |
greedy,multiset |
| Round_675_Div2 |
|
|
|
| 1422D |
Returning-Home |
H |
Dijkstra |
|
|
|
|
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