Problemset - Codeforces

→ Pay attention

Before contest
Educational Codeforces Round 165 (Rated for Div. 2)
39:45:26
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
162G	Non-decimal sum *special problem	2000	x55
162I	Truncatable primes *special problem	2000	x71
153E	Euclidean Distance *special problem	2100	x72
100H	Battleship *special problem, dfs and similar, implementation	2100	x74
207D6	The Beaver's Problem - 3	2100	x77
153D	Date Change *special problem	2000	x77
661E	Divisibility Check *special problem	2000	x78
207D10	The Beaver's Problem - 3	2100	x79
530F	Jumping frogs *special problem	2100	x97
207C1	Game with Two Trees	2100	x99
207D2	The Beaver's Problem - 3	2000	x101
649E	Автобус binary search, data structures, greedy, sortings	2100	x103
530H	Points in triangle *special problem, geometry	2100	x119
345C	Counting Fridays *special problem	2000	x121
345B	Triskaidekaphobia *special problem	2100	x121
661D	Maximal Difference *special problem	2100	x124
661C	Array Sum *special problem	2000	x126
1919H	Tree Diameter interactive, trees	2000	x127
207D3	The Beaver's Problem - 3	2000	x132
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x137
530G	Levenshtein distance *special problem	2100	x146
207D4	The Beaver's Problem - 3	2100	x146
1431F	Neural Network Problem *special problem, binary search, greedy	2100	x152
1910F	Build Railway Stations *special problem, greedy, trees	2000	x155
1910E	Maximum Sum Subarrays *special problem, dp	2100	x167
45H	Road Problem graphs	2100	x174
64F	Domain *special problem, expression parsing	2000	x175
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x176
1211E	Double Permutation Inc. *special problem, binary search, greedy	2000	x188
207A3	Beaver's Calculator 1.0 greedy	2000	x201
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x216
1431E	Chess Match *special problem	2000	x217
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x218
926F	Mobile Communications	2000	x221
1211D	Teams *special problem, binary search, greedy, math	2000	x223
178E2	The Beaver's Problem - 2	2000	x226
178D3	Magic Squares	2100	x234
774A	Amusement Park *special problem, ternary search	2100	x294
178C3	Smart Beaver and Resolving Collisions	2000	x295
774L	Bars *special problem, binary search	2000	x321
774J	Stepan's Series *special problem, dp	2000	x353
209B	Pixels constructive algorithms, math	2100	x356
926J	Segments data structures	2100	x372
852C	Property greedy, sortings	2100	x374
228D	Zigzag data structures	2100	x374
38F	Smart Boy dp, games, strings	2100	x374
212C	Cowboys combinatorics, dp, math	2100	x376
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x411
306C	White, Black and White Again combinatorics, number theory	2100	x435
306B	Optimizer data structures, greedy, sortings	2100	x437
802D	Marmots (easy) math	2100	x438
250E	Mad Joe brute force	2000	x438
228C	Fractal Detector dp, hashing	2000	x441
164B	Ancient Berland Hieroglyphs two pointers	2000	x450
309A	Morning run binary search, math, two pointers	2000	x458
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x461
132B	Piet implementation	2100	x470
215C	Crosses brute force, implementation	2100	x480
254E	Dormitory dp, implementation	2100	x484
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x487
73B	Need For Brake binary search, greedy, sortings	2000	x488
690D3	The Wall (hard) dp	2100	x489
76B	Mice greedy, two pointers	2100	x494
309B	Context Advertising dp, two pointers	2100	x498
54D	Writing a Song brute force, dp, strings	2100	x503
241C	Mirror Box geometry, implementation	2000	x507
335C	More Reclamation games	2100	x515
45E	Director constructive algorithms, greedy	2000	x522
491B	New York Hotel greedy, math	2100	x535
163C	Conveyor sortings, two pointers	2100	x536
215E	Periodical Numbers combinatorics, dp, number theory	2100	x538
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x542
216E	Martian Luck math, number theory	2000	x543
60C	Mushroom Strife brute force, dfs and similar	2100	x549
44J	Triminoes constructive algorithms, greedy	2000	x554
234H	Merging Two Decks constructive algorithms, greedy	2000	x556
69C	Game implementation	2000	x557
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x560
34E	Collisions brute force, implementation, math	2000	x563
39C	Moon Craters dp, sortings	2100	x568
1218I	The Light Square 2-sat, dfs and similar, greedy	2100	x571
802K	Send the Fool Further! (medium) dp, trees	2100	x578
50D	Bombing binary search, dp, probabilities	2100	x596
131F	Present to Mom binary search, two pointers	2000	x599
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x600
1219G	Harvester implementation	2000	x601
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x603
267B	Dominoes dfs and similar, graphs	2000	x608
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x609
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
952E	Cheese Board	2000	x623
1906J	Count BFS Graph combinatorics, dp	2100	x624
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x629
39A	C*++ Calculations expression parsing, greedy	2000	x655
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x670
656C	Without Text *special problem	2000	x675
66E	Petya and Post data structures, dp	2000	x683
101C	Vectors implementation, math	2000	x684
195E	Building Forest data structures, dsu, graphs	2000	x686
61C	Capture Valerian math	2000	x691

←