| 2236G |
Criterion in Burlandia binary search,bitmasks,brute force,brute force,data structures,data structures,dfs and similar,divide and conquer,implementation,trees,two pointers |
 |
|
x207 |
| 2236F2 |
Elections in Saransk (hard version) combinatorics,dp,dp,dp,math,number theory |
 |
|
x604 |
| 2236F1 |
Elections in Saransk (easy version) number theory |
 |
|
x3452 |
| 2236E |
Friendly Gifts brute force,dp |
 |
|
x4636 |
| 2236D |
Brand New Tatar TV Show binary search,constructive algorithms,dp,games,games,math |
 |
|
x9792 |
| 2236C |
Omsk Programmers brute force,greedy,greedy,math,math |
 |
|
x16840 |
| 2236B |
Tatar TV Show greedy,math,strings |
 |
|
x22880 |
| 2236A |
Games on the Train greedy,math |
 |
|
x27229 |
| 2234G |
Stripe, Token and Two Players data structures,dp,games |
 |
2700 |
x266 |
| 2234F |
Vessels, Heights and Two Versions (Hard Version) data structures,dfs and similar,dsu,greedy,implementation,two pointers |
 |
1900 |
x1897 |
| 2234E |
Vlad, Misha and Two Arrays brute force,combinatorics,dfs and similar,divide and conquer,math |
 |
2100 |
x1530 |
| 2234D |
XOR, Expression and Two Binary Numbers bitmasks,divide and conquer,dp,math,number theory |
 |
1500 |
x7566 |
| 2234C |
Vessels, Heights and Two Versions (Easy Version) dfs and similar,dsu,greedy,implementation,two pointers |
 |
1200 |
x10688 |
| 2234B |
Palindrome, Twelve and Two Terms brute force,constructive algorithms,math |
 |
800 |
x19301 |
| 2234A |
Euclid, Sequence and Two Numbers math,number theory,sortings |
 |
800 |
x21491 |
| 2233F |
Shortest GCD Paths dp,graphs,math,number theory,shortest paths,shortest paths |
 |
2800 |
x251 |
| 2233E2 |
Permutation Transmission (Difficult Version) bitmasks,combinatorics,sortings |
 |
2300 |
x855 |
| 2233E1 |
Permutation Transmission (Easy Version) bitmasks,combinatorics,sortings |
 |
2200 |
x908 |
| 2233D |
Goods on the Shelf brute force,data structures,implementation,two pointers |
 |
1900 |
x2747 |
| 2233C |
Cost of a Bracket Sequence brute force,dp,greedy |
 |
1400 |
x7782 |
| 2233B |
Different Distances constructive algorithms |
 |
900 |
x15243 |
| 2233A |
AI Project Development brute force,math |
 |
800 |
x19270 |
| 2232F |
The Cake Is a Lie greedy,math,number theory,number theory |
 |
3000 |
x247 |
| 2232E |
Snaking Arrangement combinatorics,combinatorics,combinatorics,constructive algorithms |
 |
2600 |
x499 |
| 2232D |
Magical Tiered Cake constructive algorithms,constructive algorithms,dfs and similar,dp,greedy |
 |
2000 |
x2389 |
| 2232C2 |
Seating Arrangement (Hard Version) binary search,binary search,binary search,greedy,greedy,greedy,math,two pointers |
 |
1500 |
x7673 |
| 2232C1 |
Seating Arrangement (Easy Version) binary search,binary search,dp,greedy,greedy,two pointers,two pointers |
 |
1300 |
x10871 |
| 2232B |
Cake Leveling binary search,greedy,math |
 |
900 |
x18676 |
| 2232A |
Convergence greedy,sortings,sortings,sortings |
 |
800 |
x21403 |
| 2231F |
Quadratic Jumps brute force,constructive algorithms,greedy,math,number theory |
 |
2600 |
x695 |
| 2231E |
Graph Cutting dfs and similar,dp,math,trees |
 |
2300 |
x977 |
| 2231D |
Maximum Prefix Sums constructive algorithms,greedy,implementation,two pointers |
 |
1900 |
x3355 |
| 2231C |
Chipmunk Theo and Equality implementation,sortings |
 |
1400 |
x10704 |
| 2231B |
Another Sorting Problem constructive algorithms |
 |
1100 |
x16457 |
| 2231A |
Construct an Array constructive algorithms |
 |
800 |
x23315 |
| 2230F |
Game on Growing Tree binary search,dfs and similar,divide and conquer,dp,games,implementation,trees |
 |
2700 |
x444 |
| 2230E |
Minimum Influence binary search,data structures,greedy,implementation,math,sortings,two pointers |
 |
2100 |
x1306 |
| 2230D |
Good Schedule dp,greedy |
 |
1700 |
x4610 |
| 2230C |
Arrange the Numbers in a Circle constructive algorithms,implementation,math |
 |
1300 |
x10368 |
| 2230B |
Digit String greedy,implementation,math |
 |
1000 |
x15521 |
| 2230A |
Optimal Purchase implementation,math |
 |
800 |
x21104 |
| 2229I |
The Endians dp,trees |
 |
3400 |
x165 |
| 2229H |
Wowee Binary String combinatorics,dp,strings |
 |
3200 |
x176 |
| 2229G |
Roadworks binary search,data structures,dp,greedy,two pointers |
 |
2900 |
x309 |
| 2229F |
Load Unbalancing binary search,bitmasks,dp,greedy |
 |
2400 |
x996 |
| 2229E |
Deconstruction Tree combinatorics,data structures,dp,graphs,trees |
 |
2100 |
x1792 |
| 2229D |
Me When Median Problem binary search,greedy |
 |
1700 |
x4807 |
| 2229C2 |
We Be Flipping (Hard Version) constructive algorithms,dp,greedy |
 |
1400 |
x7992 |
| 2229C1 |
We Be Flipping (Easy Version) constructive algorithms,greedy |
 |
900 |
x14488 |
| 2229B |
Absolute Cinema greedy,math |
 |
800 |
x16795 |
| 2229A |
Slimes on a Line brute force,greedy,math |
 |
800 |
x17185 |
| 2228F |
Momoyo and the Network binary search,dfs and similar,dfs and similar,divide and conquer,divide and conquer,dp,trees |
 |
2700 |
x308 |
| 2228E2 |
Amanojaku and Sequence (Hard Version) combinatorics,data structures,implementation,math |
 |
2500 |
x282 |
| 2228E1 |
Amanojaku and Sequence (Easy Version) combinatorics,math |
 |
2400 |
x558 |
| 2228D |
Sanae, Cross and Color binary search,data structures,implementation |
 |
1900 |
x2569 |
| 2228C2 |
Cirno and Number (Hard Version) binary search,dfs and similar,dp,greedy,implementation |
 |
1600 |
x5565 |
| 2228C1 |
Cirno and Number (Easy Version) binary search,brute force,dp,greedy,implementation |
 |
1500 |
x7429 |
| 2228B |
Remilia Plays Soku games,implementation |
 |
1100 |
x15654 |
| 2228A |
Marisa Steals Reimu's Takeout greedy,implementation |
 |
800 |
x20285 |
| 2227H |
Fallen Leaves dfs and similar,dp,dp,trees,trees |
 |
2100 |
x1514 |
| 2227G |
Drowning binary search,data structures,math |
 |
2000 |
x1993 |
| 2227F |
It Just Keeps Going Sideways binary search,data structures,data structures,dp,dp,greedy,greedy,math,math |
 |
1700 |
x3974 |
| 2227E |
It All Went Sideways binary search,data structures,dp,greedy |
 |
1400 |
x8766 |
| 2227D |
Palindromex binary search,brute force,constructive algorithms,data structures,greedy,implementation,two pointers |
 |
1200 |
x12565 |
| 2227C |
Snowfall constructive algorithms,math |
 |
800 |
x21179 |
| 2227B |
Party Monster greedy |
 |
800 |
x25795 |
| 2227A |
Koshary implementation,math |
 |
800 |
x28551 |
| 2226G |
Stop Spot implementation,strings,trees |
 |
3000 |
x168 |
| 2226F |
Inversion Invasion math,number theory |
 |
2800 |
x248 |
| 2226E |
Mental Monumental (Hard Version) data structures,greedy,math,two pointers |
 |
2300 |
x940 |
| 2226D |
Reserved Reversals constructive algorithms,dp,greedy,math |
 |
1900 |
x2927 |
| 2226C |
Mental Monumental (Easy Version) binary search,data structures,greedy,math,two pointers |
 |
1500 |
x7441 |
| 2226B |
Everything Everywhere greedy,math,math,number theory,number theory |
 |
900 |
x13318 |
| 2226A |
Disturbing Distribution greedy,math |
 |
800 |
x14424 |
| 2225G |
Simple Problem brute force,graphs,greedy,number theory |
 |
2900 |
x244 |
| 2225F |
String Cutting binary search,brute force,brute force,greedy,hashing,string suffix structures,string suffix structures,strings,strings |
 |
2600 |
x707 |
| 2225E |
Covering Points with Circles constructive algorithms,geometry,math |
 |
2200 |
x1216 |
| 2225D |
Exceptional Segments bitmasks,brute force,math |
 |
1500 |
x7736 |
| 2225C |
Red-Black Pairs dp,greedy |
 |
1100 |
x13183 |
| 2225B |
Alternating String brute force,greedy |
 |
900 |
x16244 |
| 2225A |
A Number Between Two Others greedy,math |
 |
800 |
x20454 |
| 2224B |
Zhily and Mex and Max constructive algorithms,greedy,math,sortings |
 |
1200 |
x7966 |
| 2224A |
Zhily and Array Operating constructive algorithms,greedy |
 |
800 |
x10870 |
| 2223F |
Zhily and Colorful Strings divide and conquer,fft,math |
 |
3400 |
x90 |
| 2223E |
Zhily and Permutation data structures,divide and conquer,trees |
 |
3500 |
x31 |
| 2223D |
Zhily and Cycle graphs,greedy |
 |
2800 |
x319 |
| 2223C |
Zhily and Signpost chinese remainder theorem,dfs and similar,math,number theory,trees |
 |
2300 |
x837 |
| 2223B |
Zhily and Barknights binary search,data structures,dp,math,sortings,two pointers |
 |
1600 |
x3284 |
| 2223A |
Zhily and Bracket Swapping constructive algorithms,greedy |
 |
1300 |
x6997 |
| 2222H |
Counting Sort? brute force,combinatorics,dp |
 |
3500 |
x134 |
| 2222G |
Statistics on Tree binary search,brute force,dfs and similar,dfs and similar,divide and conquer,graphs,trees,trees |
 |
3100 |
x200 |
| 2222F |
Building Tree data structures,divide and conquer,dsu,graphs,graphs,implementation |
 |
2600 |
x695 |
| 2222E |
Seek the Truth binary search,bitmasks,constructive algorithms,interactive |
 |
2000 |
x2260 |
| 2222D |
Permutation Construction constructive algorithms,data structures,sortings |
 |
1800 |
x3755 |
| 2222C |
Median Partition dp,math |
 |
1500 |
x5687 |
| 2222B |
Artistic Balance Tree greedy,sortings |
 |
1100 |
x8485 |
| 2222A |
A Wonderful Contest brute force,dp,math |
 |
800 |
x11627 |
| 2220B |
OIE Excursion greedy |
 |
1200 |
x13813 |
| 2220A |
Blocked greedy,sortings |
 |
800 |
x20145 |
| 2219E |
Weird Chessboard constructive algorithms,math |
 |
3500 |
x130 |