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probabilities problems
Problem Name Online Judge Year Contest Difficulty Level
1 Probability One Categories Live Archive 2009 Africa/Middle East - Africa and Arab 1
2 Die Roll Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 1
3 Cows and Cars Categories UVA 1
4 What is the Probability ? Categories UVA 1
5 Dreamoon and WiFi Categories Codeforces Codeforces Round #272 (Div. 2) 1
6 To the Max Categories PKU 1
7 Yanu in Movie theatre Categories SPOJ 1
8 Collecting Bugs Categories PKU 2
9 One Person Game Categories ZOJ 2
10 Little Pony and Expected Maximum Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 2
11 France '98 Categories UVA 2
12 Journey Categories Codeforces Codeforces Round #428 (Div. 2) 2
13 Football Categories PKU 2
14 Dice Throwing Categories UVA 2
15 Help Me Escape Categories ZOJ 2
16 Archer Categories Codeforces Codeforces Round #185 (Div. 2) 2
17 Check the difficulty of problems Categories PKU 2
18 Ilya and Escalator Categories Codeforces Codeforces Round #293 (Div. 2) 3
19 PalindromicSubstringsDiv1 Categories TopCoder Unknown () 3
20 BirthdayOdds Categories TopCoder SRM 174 - Div1 easy - Div2 medium] (4675) 3
21 Chocolate Categories PKU 3
22 Hats Categories UVA 3
23 FixedDiceGameDiv1 Categories TopCoder SRM 626 - Div1 easy] (15859) 3
24 Coupons Categories UVA 3
25 Another lottery Categories UVA 3
26 ????? Categories PKU 3
27 Scout YYF I Categories PKU 3
28 Andrey and Problem Categories Codeforces Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2) 3
29 So you want to be a 2n-aire? Categories UVA 3
30 Burger Categories UVA 3
31 Wet Shark and Flowers Categories Codeforces Codeforces Round #341 (Div. 2) 3
32 PrimeSoccer Categories TopCoder SRM 422 - Div1 easy - Div2 medium] (13513) 3
33 PipeCuts Categories TopCoder SRM 233 - Div1 easy - Div2 medium] (6532) 3
34 Boastin' Red Socks Categories UVA 4
35 God! Save me Categories UVA 4
36 Winning Streak Categories UVA 4
37 MonstersAndBunnies Categories TopCoder TCO08 Qual 1 - Div1 easy] (12007) 4
38 Chocolate Box Categories UVA 4
39 Bad Luck Island Categories Codeforces Codeforces Round #301 (Div. 2) 4
40 Vampires Categories UVA 4
41 Probability Categories UVA 4
42 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 4
43 Race to 1 Categories UVA 4
44 Urn-ball Probabilities! Categories UVA 4
45 Expect the Expected Categories UVA 4
46 Patchouli's Spell Cards Categories ZOJ 4
47 Panda's Birthday Present Categories PKU 4
48 Dumb Bones Categories UVA 4
49 ProbabilityTree Categories TopCoder SRM 174 - Div2 hard] (4675) 5
50 Joining with Friend Categories UVA 5
51 TheFansAndMeetingsDivOne Categories TopCoder SRM 460 - Div1 medium] (14146) 5
52 RandomSwaps Categories TopCoder SRM 338 - Div1 medium] (10662) 5
53 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
54 DrawingLines Categories TopCoder SRM 470 - Div1 medium] (14153) 5
55 CandyBox Categories TopCoder SRM 462 - Div1 medium] (14147) 5
56 Collision Categories TopCoder SRM 153 - Div1 medium] (4570) 5
57 RedIsGood Categories TopCoder SRM 420 - Div1 medium] (13511) 5
58 LotteryPyaterochka Categories TopCoder SRM 466 - Div1 medium] (14150) 5
59 PerfectMemory Categories TopCoder SRM 513 - Div1 medium] (14538) 5
60 QuickSort Categories TopCoder SRM 486 - Div1 medium] (14239) 5
61 Jeff and Furik Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 5
62 KthProbableElement Categories TopCoder TCO09 Round 1 - Div1 medium] (13759) 5
63 CampaignTrail Categories TopCoder TCO09 Round 3 - Div1 medium] (13761) 5
64 Masud Rana Categories UVA 5
65 ChessKnight Categories TopCoder TCCC05 Round 1 - Div1 medium] (6528) 5
66 RandomSort Categories TopCoder SRM 402 - Div1 easy - Div2 hard] (12174) 5
67 Dragster Categories UVA 5
68 Falling Anvils Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 5
69 Jerry's Protest Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 5
70 TestBettingStrategy Categories TopCoder SRM 339 - Div1 medium] (10663) 5
71 Lights inside a 3d Grid Categories UVA 5
72 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 6
73 ZS and The Birthday Paradox Categories Codeforces Codeforces Round #369 (Div. 2) 6
74 ETS Problem setting Categories UVA 6
75 Maxim and Restaurant Categories Codeforces Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) 6
76 Chess Game Categories PKU 6
77 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
78 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
79 Map Generator Categories PKU 6
80 Join two kingdoms Categories UVA 6
81 Magic Trick Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 6
82 Second price auction Categories Codeforces Rockethon 2015 6
83 Lucky Probability Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 6
84 Game on Tree Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 6
85 AlternatingLane Categories TopCoder Member SRM 494 - Div1 medium - Div2 hard] (14423) 6
86 Prisoners, Boxes and Pieces of Paper Categories UVA 6
87 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 6
88 Famil Door and Roads Categories Codeforces Codeforces Round #343 (Div. 2) 7
89 Kleofáš and the n-thlon Categories Codeforces Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2) 7
90 Square Table Categories Codeforces RCC 2014 Warmup (Div. 2) & RCC 2014 Warmup (Div. 1) 7
91 Mushroom Gnomes - 2 Categories Codeforces Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2) 7
92 Table Tennis Categories UVA 7
93 Name That Tune Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 7
94 Playlist Categories Codeforces Codeforces Round #164 (Div. 2) 7
95 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
96 Little Artem and Random Variable Categories Codeforces VK Cup 2016 - Round 2 7
97 Playing War Categories UVA 7
98 Little Elephant and Furik and Rubik Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 7
99 Garbage Remembering Exam Categories UVA 7
100 Dexterina’s Lab Categories Codeforces Bubble Cup 9 - Finals [Online Mirror] 7
101 DZY Loves FFT Categories Codeforces Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 7
102 Painting The Wall Categories Codeforces Codeforces Round #233 (Div. 1) & Codeforces Round #233 (Div. 2) 7
103 Dark Assembly Categories Codeforces Codeforces Beta Round #81 7
104 Petya and Tree Categories Codeforces Yandex.Algorithm 2011 Round 1 8
105 Bath Queue Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
106 Helping People Categories Codeforces Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2) 8
107 SPAM! (or not) Categories UVA 8
108 Bombing Categories Codeforces Codeforces Beta Round #47 8
109 Startup Funding Categories Codeforces Manthan, Codefest 16 8
110 Intergalaxy Trips Categories Codeforces Codeforces Round #335 (Div. 1) 8
111 Willem, Chtholly and Seniorious Categories Codeforces Codeforces Round #449 (Div. 1) & Codeforces Round #449 (Div. 2) 8
112 Expecting Trouble Categories Codeforces Friday the 13th, Programmers Day 8
113 Memory and Casinos Categories Codeforces Codeforces Round #370 (Div. 2) 8
114 Fixing the Bugs Categories UVA 8
115 Destiny Categories Codeforces Codeforces Round #429 (Div. 1) 8
116 Broken robot Categories Codeforces Codeforces Beta Round #24 8
117 World of Darkraft - 2 Categories Codeforces Codeforces Round #265 (Div. 1) 8
118 Smart Cheater Categories Codeforces Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2) 8
119 Eyes Closed Categories Codeforces Codeforces Round #448 (Div. 2) 8
120 Ghd Categories Codeforces Codeforces Round #213 (Div. 1) 8
121 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 8
122 Inversions problem Categories Codeforces Rockethon 2015 8
123 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
124 Wilbur and Trees Categories Codeforces Codeforces Round #331 (Div. 2) 8
125 Tickets Categories Codeforces Codeforces Beta Round #26 (Codeforces format) 8
126 Game with Strings Categories Codeforces Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2) 8
127 Inversions After Shuffle Categories Codeforces Codeforces Round #388 (Div. 2) 8
128 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
129 Ksusha and Square Categories Codeforces Croc Champ 2013 - Round 2 9
130 Maze Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) 9
131 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
132 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 9
133 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
134 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
135 NestedRandomness Categories TopCoder TCCC05 Qual 5 - Div1 hard] (6527) 9
136 Google Code Jam Categories Codeforces Codeforces Round #170 (Div. 1) 9
137 Half-decay tree Categories Codeforces Codeforces Beta Round #62 9
138 Birthday Categories Codeforces AIM Tech Round (Div. 1) 9
139 Randomizer Categories Codeforces Codeforces Round #313 (Div. 1) 9
140 Gambling Nim Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 9
141 Museum Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) 9
142 DZY Loves Games Categories Codeforces Codeforces Round #255 (Div. 1) 10
143 Counting Skyscrapers Categories Codeforces MemSQL start[c]up Round 2 - online version 10
144 Rubik's Cube: 0-1 Version Categories PKU 10
145 Help King Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 10
146 Colored Jenga Categories Codeforces Codeforces Round #242 (Div. 2) 10
147 Darts Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 10
148 Kyoya and Train Categories Codeforces Codeforces Round #309 (Div. 1) 10
149 Bingo! Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 10
150 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10
151 Combining Slimes Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 10