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Network Flow problems
Problem Name Online Judge Year Contest Difficulty Level
1 Dangerous Tunnels Categories Live Archive 2008 Asia - Taipei 1
2 Potholers Categories SPOJ 1
3 Remember the A La Mode! Categories Live Archive 2006 World Finals - San Antonio 1
4 Taxi Categories SPOJ 1
5 Total Flow Categories SPOJ 1
6 Drainage Ditches Categories PKU 1
7 Fast Maximum Matching Categories SPOJ 1
8 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
9 Alphacode Categories SPOJ 1
10 Internet Bandwidth Categories UVA 1
11 Fast Maximum Flow Categories SPOJ 1
12 Dungeon of Death Categories SPOJ 1
13 Cable TV Network Categories Live Archive 2004 Europe - Southeastern 2
14 Muddy Fields Categories PKU 2
15 Handball Categories UVA 2
16 Course Categories TJU 2
17 Cable TV Network Categories SPOJ 2
18 Smart Network Administrator Categories SPOJ 2
19 Gopher II Categories UVA 2
20 Software Allocation Categories UVA 2
21 Destroying the bus stations Categories Live Archive 2008 Asia - Beijing 2
22 Greedy island Categories SPOJ 2
23 Muddy Fields Categories SPOJ 2
24 Dijkstra, Dijkstra. Categories UVA 2
25 Route Redundancy Categories Live Archive 2011 North America - Greater NY 2
26 Baby Categories SPOJ 2
27 Train TimeTable Categories SPOJ 2
28 Entrapment Categories SPOJ 2
29 Power Transmission Categories UVA 2
30 Intergalactic Map Categories SPOJ 2
31 Optimal Marks Categories SPOJ 2
32 Angels and Devils Categories SPOJ 2
33 Selfish Cities Categories SPOJ 2
34 It Can Be Arranged Categories Live Archive 2013 Europe - Southwestern 2
35 "Shortest" pair of paths Categories Live Archive 2006 Europe - Southeastern 2
36 The Problem with the Problem Setter Categories UVA 2
37 My T-shirt suits me Categories UVA 2
38 Going Home Categories TJU 2
39 Sabotage Categories UVA 2
40 The Grand Dinner Categories UVA 2
41 Angry Programmer Categories UVA 2
42 Internet Bandwidth Categories Live Archive 2000 World Finals - Orlando 2
43 Coconuts Categories SPOJ 2
44 Travelling tours Categories SPOJ 3
45 SAM I AM Categories UVA 3
46 Crimewave Categories UVA 3
47 "Shortest" pair of paths Categories SPOJ 3
48 The dog task Categories UVA 3
49 Clever Naming Patterns Categories UVA 3
50 Councilling Categories UVA 3
51 A Plug for UNIX Categories TJU 3
52 Safety Grade Categories Live Archive 2011 Europe - Southeastern 3
53 Divisibility Relation Categories SPOJ 3
54 Antenna Placement Categories UVA 3
55 Steady Cow Assignment Categories SPOJ 3
56 Pahom on Water Categories Live Archive 2011 South Pacific 3
57 Nuts and Bolts Categories UVA 3
58 Crime Wave - The Sequel Categories UVA 3
59 Maximum Profit Categories SPOJ 3
60 Kill the Werewolf Categories Live Archive 2016 Latin America 3
61 Disjoint Paths Categories SPOJ 3
62 Down Went The Titanic Categories UVA 3
63 Data Flow Categories UVA 3
64 MobiZone vs VinaGone Categories SPOJ 3
65 Factors and Multiples Categories UVA 3
66 A Plug for UNIX Categories UVA 3
67 Collectors Problem Categories UVA 3
68 Sorting Slides Categories UVA 3
69 Buy one, get the rest free Categories UVA 4
70 Weird Fence Categories UVA 4
71 Bob Laptop Woolmer and Eddie Desktop Barlow Categories UVA 4
72 Gas Wars Categories SPOJ 4
73 Euler Circuit Categories UVA 4
74 Taxi Cab Scheme Categories UVA 4
75 Guardian of Decency Categories UVA 4
76 Gopher Strategy Categories UVA 4
77 Monkeys in the Emei Mountain Categories UVA 4
78 Machine Schedule Categories UVA 4
79 Bomb, Divide and Conquer Categories UVA 4
80 Cat vs. Dog Categories UVA 4
81 Matrix Decompressing Categories UVA 4
82 The Black Riders Categories SPOJ 4
83 Warehouse Categories UVA 4
84 March of the Penguins Categories UVA 4
85 Gavin's Promise Categories TJU 4
86 Golden Tiger Claw Categories UVA 4
87 Acme Corporation Categories UVA 5
88 Cable TV Network Categories TJU 5
89 Leapin' Lizards Categories TJU 5
90 Suiting Weavers Categories SPOJ 5
91 Ciel and Duel Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 5
92 Barber of the Army of Mages Categories Timus 5
93 Treasure Hunting Categories TJU 5
94 Soldier and Traveling Categories Codeforces Codeforces Round #304 (Div. 2) 5
95 Air Raid Categories UVA 5
96 Rooks Categories UVA 5
97 Array and Operations Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 5
98 Maximizing the ICPC Categories UVA 5
99 Gourmet and Banquet Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 5
100 Great Wall of China Categories UVA 5
101 Wukong and Tang Monk Categories TJU 5
102 Winger Trial Categories UVA 6
103 All Pairs Maximum Flow Categories UVA 6
104 Necklace Categories UVA 6
105 Delivery Bears Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 6
106 Military patrol Categories SPOJ 6
107 Thieves Categories TJU 6
108 Shogi Tournament Categories UVA 6
109 Gridland Airports Categories UVA 6
110 Elegant Strings Categories UVA 6
111 Non-Secret Cypher Categories Codeforces Codeforces Round #120 (Div. 2) 6
112 Mining Station on the Sea Categories Live Archive 2008 Asia - Harbin 6
113 Mysterious Mountain Categories UVA 6
114 Component Placement Categories UVA 6
115 Fox And Dinner Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 6
116 Its all about the Bandwidth Categories UVA 6
117 Flawed Flow Categories Codeforces Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2) 6
118 Faster Processing Feasibility Categories UVA 7
119 Binary Tree on Plane Categories Codeforces Codeforces Round #170 (Div. 1) 7
120 It Can Be Arranged Categories UVA 7
121 Task Schedule Categories TJU 7
122 Delivering Goods Categories Live Archive 2016 North America - North Central NA & North America - Rocky Mountain 7
123 Recruiter's Problem Categories UVA 7
124 Build String Categories Codeforces Codeforces Round #147 (Div. 2) 7
125 Budget Categories TJU 7
126 HS BDC Categories TJU 8
127 Subway Timing Categories UVA 8
128 Tidying Up Categories Codeforces ABBYY Cup 3.0 8
129 Gosha is hunting Categories Codeforces Codeforces Round #381 (Div. 1) 8
130 k-Maximum Subsequence Sum Categories Codeforces Codeforces Round #172 (Div. 1) 8
131 Machine Programming Categories Codeforces VK Cup 2012 Round 3 8
132 Petya and Pipes Categories Codeforces Codeforces Round #212 (Div. 2) 8
133 A New Graph Game Categories TJU 8
134 Tidying Up Categories Codeforces ABBYY Cup 3.0 8
135 Scaygerboss Categories Codeforces Rockethon 2015 9
136 Bangladesh Premier League Categories UVA 9
137 Seikimatsu Occult Tonneru Categories TJU 9
138 Scaygerboss Categories Codeforces Rockethon 2015 9
139 Judgment Day Categories UVA 9
140 Bits of merry old England Categories Codeforces Codeforces Beta Round #96 (Div. 1) 9
141 Deciphering Categories Codeforces Testing Round #11 9
142 Pumping Stations Categories Codeforces Codeforces Round #200 (Div. 1) 9
143 Biologist Categories Codeforces Codeforces Round #185 (Div. 1) 9
144 Evacuation Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
145 Buying Sets Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) 9
146 Nanami's Power Plant Categories Codeforces Codeforces Round #248 (Div. 1) 9
147 Bear and Fair Set Categories Codeforces Educational Codeforces Round 8 9
148 Pills Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 10
149 Flow Optimality Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 10
150 Critical Network Lines Categories A2 Online Judge 10
151 ALT Categories Codeforces Codeforces Round #406 (Div. 1) 10
152 World Evil Categories Codeforces Codeforces Beta Round #58 10
153 Shake It! Categories Codeforces Codeforces Round #431 (Div. 1) 10
154 New Year and Forgotten Tree Categories Codeforces Good Bye 2015 10
155 Planar Graph Categories Codeforces Codeforces Round #138 (Div. 1) 10
156 Privatization Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 10
157 Chess Championship Categories Codeforces Codeforces Round #382 (Div. 1) 10
158 Max Flow Minimum Cost Categories SPOJ 10
159 Captain America Categories Codeforces Codeforces Round #366 (Div. 1) 10