Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 973 (Div. 2)
04:00:09
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
437D	The Child and Zoo dsu, sortings	1900	x3368
437C	The Child and Toy graphs, greedy, sortings	1400	x13897
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9453
437A	The Child and Homework implementation	1300	x8991
436F	Banners brute force, data structures, dp	3000	x388
436E	Cardboard Box data structures, greedy	2600	x1334
436D	Pudding Monsters dp	2800	x326
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2623
436B	Om Nom and Spiders implementation, math	1400	x3048
436A	Feed with Candy greedy	1500	x3464
435E	Special Graph	2500	x240
435D	Special Grid brute force, dp, greedy	2000	x756
435C	Cardiogram implementation	1600	x2564
435B	Pasha Maximizes greedy	1400	x6942
435A	Queue on Bus Stop implementation	1000	x10139
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x260
434D	Nanami's Power Plant flows	2900	x464
433E	Tachibana Kanade's Tofu dp	2500	x477
433D	Nanami's Digital Board dsu, implementation	2000	x1242
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2480
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x39027
433A	Kitahara Haruki's Gift brute force, implementation	1100	x16270
432E	Square Tiling constructive algorithms, greedy	2300	x686
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8999
432C	Prime Swaps greedy, sortings	1800	x2510
432B	Football Kit brute force, greedy, implementation	1200	x11639
432A	Choosing Teams greedy, implementation, sortings	800	x59196
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x996
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2312
431C	k-Tree dp, implementation, trees	1600	x25466
431B	Shower Line brute force, implementation	1200	x10760
431A	Black Square implementation	800	x54401
430B	Balls Game brute force, two pointers	1400	x3694
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2236
429E	Points and Segments graphs	3000	x857
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2907
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x940
429B	Working out dp	1600	x8579
429A	Xor-tree dfs and similar, trees	1300	x10288
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1422
427D	Match & Catch dp, string suffix structures, strings	2200	x2166
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13806
427B	Prison Transfer data structures, implementation	1100	x13924
427A	Police Recruits implementation	800	x77170
426B	Sereja and Mirroring implementation	1300	x3793
426A	Sereja and Mugs implementation	800	x9156
425E	Sereja and Sets dp	2500	x640
425D	Sereja and Squares binary search, data structures, hashing	2300	x1432
425C	Sereja and Two Sequences data structures, dp	2300	x895
425B	Sereja and Table bitmasks, greedy	2200	x1310
425A	Sereja and Swaps brute force, sortings	1500	x3884
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x131
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x562
424C	Magic Formulas math	1600	x5334
424B	Megacity binary search, greedy, implementation, sortings	1200	x7479
424A	Squats implementation	900	x8386
421D	Bug in Code binary search, data structures, sortings	1900	x526
421A	Pasha and Hamsters constructive algorithms, implementation	800	x6011
420E	Playing the ball geometry	2600	x217
420D	Cup Trick data structures	2200	x830
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1256
420B	Online Meeting implementation	1800	x1036
420A	Start Up implementation	1000	x6102
418E	Tricky Password data structures	3100	x302
418D	Big Problems for Organizers data structures, graphs, trees	2800	x479
417E	Square Table constructive algorithms, math, probabilities	2400	x820
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2468
417C	Football constructive algorithms, graphs, implementation	1400	x4657
417B	Crash implementation	1400	x1767
417A	Elimination dp, implementation, math	1500	x2967
416E	President's Path dp, graphs, shortest paths	2500	x1448
416D	Population Size greedy, implementation, math	2400	x942
416C	Booking System binary search, dp, greedy, implementation	1600	x7869
416B	Art Union brute force, dp, implementation	1300	x8625
416A	Guess a number! greedy, implementation, two pointers	1400	x8877
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6248
415A	Mashmokh and Lights implementation	900	x8957
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x682
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2216
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22102
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9777
413E	Maze 2D data structures, divide and conquer	2200	x700
413D	2048 bitmasks, dp	2000	x811
413C	Jeopardy! greedy, math	1400	x2368
413B	Spyke Chatting implementation	1300	x1698
413A	Data Recovery implementation	1200	x2615
412E	E-mail Addresses implementation	1900	x840
412D	Giving Awards dfs and similar	2000	x1875
412C	Pattern implementation, strings	1200	x3913
412B	Network Configuration greedy, sortings	900	x5392
412A	Poster greedy, implementation	900	x4425
411C	Kicker implementation	1700	x1223
411B	Multi-core Processor implementation	1600	x1274
411A	Password Check *special problem, implementation	800	x7202
409I	Feed the Golorp *special problem	2400	x121
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8878
409G	On a plane *special problem, geometry	2200	x515
409F	000001 *special problem	1900	x2086
409E	Dome *special problem	1800	x571