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