You must be logged in to add problems to this category

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