ID Problem Show tags Hide tags AC / Tried Difficulty
5982 codeforces#P723F  st-Spanning Tree 0 / 0 8
5941 codeforces#P731C  Socks 0 / 0 5
5926 codeforces#P733F  Drivers Dissatisfaction 0 / 0 8
5902 codeforces#P741B  Arpa's weak amphitheater and Mehrdad's valuable Hoses 0 / 0 5
5853 codeforces#P750H  New Year and Snowy Grid 0 / 0 10
5842 codeforces#P755C  PolandBall and Forest 0 / 0 4
5804 codeforces#P763A  Timofey and a tree 0 / 0 5
5800 codeforces#P763E  Timofey and our friends animals 0 / 0 10
5794 codeforces#P765D  Artsem and Saunders 0 / 0 5
5787 codeforces#P766D  Mahmoud and a Dictionary 0 / 0 7
5765 codeforces#P771A  Bear and Friendship Condition 0 / 0 5
5732 codeforces#P776D  The Door Problem 0 / 0 7
5721 codeforces#P778C  Peterson Polyglot 0 / 0 9
5687 codeforces#P788B  Weird journey 0 / 0 7
5584 codeforces#P811E  Vladik and Entertaining Flags 0 / 0 10
5573 codeforces#P813F  Bipartite Checking 0 / 0 9
5557 codeforces#P817D  Imbalanced Array 0 / 0 6
5458 codeforces#P843A  Sorting by Subsequences 0 / 0 4
5371 codeforces#P859E  Desk Disorder 0 / 0 7
5311 codeforces#P870E  Points, Lines and Ready-made Titles 0 / 0 8
5303 codeforces#P873F  Forbidden Indices 0 / 0 9
5301 codeforces#P875B  Sorting the Coins 0 / 0 5
5297 codeforces#P875F  Royal Questions 0 / 0 9
5264 codeforces#P884E  Binary Matrix 0 / 0 9
5260 codeforces#P886C  Petya and Catacombs 0 / 0 4
5240 codeforces#P891C  Envy 0 / 0 8
5215 codeforces#P896E  Welcome home, Chtholly 0 / 0 10
5202 codeforces#P899E  Segments Removal 0 / 0 7
5193 codeforces#P901C  Bipartite Segments 0 / 0 8
5189 codeforces#P902B  Coloring a Tree 0 / 0 4
5103 codeforces#P915F  Imbalance Value of a Tree 0 / 0 9
5079 codeforces#P920E  Connected Components? 0 / 0 7
5078 codeforces#P920F  SUM and REPLACE 0 / 0 7
4976 codeforces#P938G  Shortest Path Queries 0 / 0 10
4972 codeforces#P939D  Love Rescue 0 / 0 5
4907 codeforces#P959B  Mahmoud and Ehab and the message 0 / 0 4
4881 codeforces#P962G  Visible Black Areas 0 / 0 10
4851 codeforces#P977E  Cyclic Components 0 / 0 5
4839 codeforces#P979D  Kuro and GCD and XOR and SUM 0 / 0 8
4820 codeforces#P982D  Shark 0 / 0 6
4801 codeforces#P986C  AND Graph 0 / 0 9
4777 codeforces#P990G  GCD Counting 0 / 0 9
4668 codeforces#P1009F  Dominant Indices 0 / 0 8
4657 codeforces#P1012B  Chemical table 0 / 0 6
4654 codeforces#P1012E  Cycle sort 0 / 0 10
4616 codeforces#P1023F  Mobile Phone Network 0 / 0 10
4602 codeforces#P1027F  Session in BSU 0 / 0 9
4531 codeforces#P1039C  Network Safety 0 / 0 8
4515 codeforces#P1042F  Leaf Sets 0 / 0 9
4504 codeforces#P1044D  Deduction Queries 0 / 0 9
4480 codeforces#P1051G  Distinctification 0 / 0 10
4469 codeforces#P1055B  Alice and Hairdresser 0 / 0 4
4351 codeforces#P1081D  Maximum Distance 0 / 0 6
4263 codeforces#P1095F  Make It Connected 0 / 0 6
4194 codeforces#P1107G  Vasya and Maximum Profit 0 / 0 9
4187 codeforces#P1108F  MST Unification 0 / 0 7
4114 codeforces#P1120D  Power Tree 0 / 0 9
4100 codeforces#P1130C  Connect 0 / 0 4
4096 codeforces#P1131D  Gourmet choice 0 / 0 7
4094 codeforces#P1131F  Asya And Kittens 0 / 0 5
4079 codeforces#P1133F2  Spanning Tree with One Fixed Degree 0 / 0 6
4063 codeforces#P1139C  Edgy Trees 0 / 0 5
4054 codeforces#P1140F  Extending Set of Points 0 / 0 10
3958 codeforces#P1156D  0-1-Tree 0 / 0 8
3957 codeforces#P1156E  Special Segments of Permutation 0 / 0 8
3915 codeforces#P1166F  Vicky's Delivery Service 0 / 0 9
3912 codeforces#P1167C  News Distribution 0 / 0 4
3865 codeforces#P1176E  Cover it! 0 / 0 5
3812 codeforces#P1184E3  Daleks' Invasion (hard) 0 / 0 9
3674 codeforces#P1209D  Cow and Snacks 0 / 0 5
3670 codeforces#P1209G1  Into Blocks (easy version) 0 / 0 7
3644 codeforces#P1213F  Unstable String Sort 0 / 0 7
3643 codeforces#P1213G  Path Queries 0 / 0 6
3616 codeforces#P1217F  Forced Online Queries Problem 0 / 0 10
3600 codeforces#P1220E  Tourism 0 / 0 8
3545 codeforces#P1236E  Alice and the Unfair Game 0 / 0 9
3519 codeforces#P1242B  0-1 MST 0 / 0 6
3502 codeforces#P1245D  Shichikuji and Power Grid 0 / 0 6
3494 codeforces#P1249B1  Books Exchange (easy version) 0 / 0 3
3493 codeforces#P1249B2  Books Exchange (hard version) 0 / 0 4
3450 codeforces#P1253D  Harmonious Graph 0 / 0 5
3448 codeforces#P1253F  Cheap Robot 0 / 0 9
3442 codeforces#P1254E  Send Tree to Charlie 0 / 0 10
3415 codeforces#P1263D  Secret Passwords 0 / 0 5
3353 codeforces#P1276B  Two Fairs 0 / 0 6
3342 codeforces#P1278D  Segment Tree 0 / 0 7
3283 codeforces#P1290C  Prefix Enlightenment 0 / 0 9
3276 codeforces#P1292A  NEKO's Maze Game 0 / 0 4
3212 codeforces#P1303F  Number of Components 0 / 0 10
3197 codeforces#P1305G  Kuroni and Antihype 0 / 0 10
3190 codeforces#P1307F  Cow and Vacation 0 / 0 10
3087 codeforces#P1332C  K-Complete Word 0 / 0 5
3063 codeforces#P1335F  Robots on a Grid 0 / 0 8
3025 codeforces#P1344B  Monopole Magnets 0 / 0 7
2914 codeforces#P1361C  Johnny and Megan's Necklace 0 / 0 9
2893 codeforces#P1365D  Solve The Maze 0 / 0 5
2857 codeforces#P1370D  Odd-Even Subsequence 0 / 0 7
2806 codeforces#P1380E  Merging Towers 0 / 0 8
2795 codeforces#P1383A  String Transformation 1 0 / 0 5
2780 codeforces#P1385G  Columns Swaps 0 / 0 8

Categories

Lucky

Pick a problem randomly based on the current filter.