Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round (Div. 1, Based on Zhili Cup 2026)
5 days
Register now »

*has extra registration

Before contest
Codeforces Round (Div. 2, Based on Zhili Cup 2026)
5 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

chinese remainder theorem

Add tag

Problems

#	Name
2217C	Grid Covering chinese remainder theorem, math, number theory		1300	x10295
2174E2	Game of Scientists (Version 2) binary search, chinese remainder theorem, dfs and similar, interactive, math		3200	x97
2174E1	Game of Scientists (Version 1) chinese remainder theorem, constructive algorithms, interactive, math		3100	x133
2097C	Bermuda Triangle chinese remainder theorem, geometry, implementation, math, number theory		2400	x1024
2077G	RGB Walking bitmasks, chinese remainder theorem, dfs and similar, graphs, number theory		3500	x135
2034A	King Keykhosrow's Mystery brute force, chinese remainder theorem, math, number theory		800	x18394
1993F2	Dyn-scripted Robot (Hard Version) chinese remainder theorem, math, number theory		2800	x542
1993F1	Dyn-scripted Robot (Easy Version) brute force, chinese remainder theorem, constructive algorithms, math, number theory		2400	x1187
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory		1700	x9655
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory		2100	x3249
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory		2000	x4650
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures		2600	x1102
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory		2200	x2313
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows		2000	x11616
1266A	Competitive Programmer chinese remainder theorem, math		1000	x17500
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math		2200	x1636
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory		3500	x212
993E	Nikita and Order Statistics chinese remainder theorem, fft, math		2300	x1781
919E	Congruence Equation chinese remainder theorem, math, number theory		2100	x2433
906D	Power Tower chinese remainder theorem, math, number theory		2700	x2665
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory		2900	x616
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers		2800	x607
687B	Remainders Game chinese remainder theorem, math, number theory		1800	x6829
338D	GCD Table chinese remainder theorem, math, number theory		2900	x1396

Codeforces (c) Copyright 2010-2026 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: May/01/2026 19:25:50 (g2).

Desktop version, switch to mobile version.

Privacy Policy | Terms and Conditions

Supported by

TON