Combinatorics and Probability

Combinatorics and Probability practice track with progression from fundamentals to advanced checkpoints.

0 / 31 solved0%

Solve them in order for the best learning progression.

#	Problem	Rating	Source	Action
1	Combinatorics Homework	1100	Codeforces 1574B	Solve
2	Lucky Numbers	1100	Codeforces 630C	Solve
3	Dreamoon and WiFi	1300	Codeforces 476B	Solve
4	Secret Box	1200	Codeforces 1985E	Solve
5	D. Coloring Edges on Tree	1192 (AC)	AtCoder abc146	Solve
6	Forming Triangles	1200	Codeforces 1922B	Solve
7	Non-Descending Arrays	1300	Codeforces 2144C	Solve
8	Ice Cream Balls	1300	Codeforces 1862D	Solve
9	E. Defect-free Squares	1293 (AC)	AtCoder abc311	Solve
10	Rubik's Cube Coloring (easy version)	1300	Codeforces 1594E1	Solve
11	Photoshoot for Gorillas	1400	Codeforces 2000E	Solve
12	Binary Strings are Fun	1400	Codeforces 1762C	Solve
13	Weird Sum	1400	Codeforces 1648A	Solve
14	E. Stronger Takahashi	1423 (AC)	AtCoder abc213	Solve
15	Basketball Team	1600	Codeforces 107B	Solve
16	Two Colors	1500	Codeforces 2075C	Solve
17	Expected Median	1500	Codeforces 1999F	Solve
18	B. Abs Abs Function	1565 (AC)	AtCoder arc155	Solve
19	Santa's Bot	1700	Codeforces 1279D	Solve
20	Wet Shark and Flowers	1700	Codeforces 621C	Solve
21	Ilya and Escalator	1700	Codeforces 518D	Solve
22	E. Xor Distances	1694 (AC)	AtCoder abc201	Solve
23	LuoTianyi and the Floating Islands (Easy Version)	1800	Codeforces 1824B1	Solve
24	Good Trip	1900	Codeforces 1925D	Solve
25	Score of a Tree	1900	Codeforces 1777D	Solve
26	B. Minimum Sum	1828 (AC)	AtCoder agc005	Solve
27	Bubble Strike	2000	Codeforces 1599C	Solve
28	Intercity Travelling	2000	Codeforces 1009E	Solve
29	Control of Randomness	2100	Codeforces 2040E	Solve
30	F. Absolute Minima	2003 (AC)	AtCoder abc127	Solve
31	Flexible String Revisit	2100	Codeforces 1778D	Solve