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→ Pay attention
Before contest
Codeforces Round #698 (Div. 1)
47:17:21
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Before contest
Codeforces Round #698 (Div. 2)
47:17:21
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2-sat
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Problems
 
 
# Name   Sort asc. Sort desc.
1089H
Harder Satisfiability
2-sat, dfs and similar, graphs
Submit 3400  x63
1007D
Ants
2-sat, data structures, trees
Submit 3200  x113
538H
Summer Dichotomy
2-sat, data structures, dfs and similar, greedy
Submit 3200  x299
587D
Duff in Mafia
2-sat, binary search
Submit 3100  x366
1215F
Radio Stations
2-sat
Submit 2700  x398
568C
New Language
2-sat, greedy
Submit 2600  x563
1403A
The Potion of Great Power
*special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers
Submit 2400  x198
1239D
Catowice City
2-sat, dfs and similar, graph matchings, graphs
Submit 2400  x1047
1385G
Columns Swaps
2-sat, dfs and similar, dsu, graphs, implementation
Submit 2300  x813
27D
Ring Road 2
2-sat, dfs and similar, dsu, graphs
Submit 2200  x1552
1218I
The Light Square
2-sat, dfs and similar, greedy
Submit 2100  x400
875C
National Property
2-sat, dfs and similar, graphs, implementation
Submit 2100  x1504
468B
Two Sets
2-sat, dfs and similar, dsu, graph matchings, greedy
Submit 2000  x2864
776D
The Door Problem
2-sat, dfs and similar, dsu, graphs
Submit 2000  x3003
1438C
Engineer Artem
2-sat, chinese remainder theorem, constructive algorithms, fft, flows
Submit 2000  x6402
228E
The Road to Berland is Paved With Good Intentions
2-sat, dfs and similar, dsu, graphs
Submit 1900  x1602
780D
Innokenty and a Football League
2-sat, graphs, greedy, implementation, shortest paths, strings
Submit 1900  x2501
1400C
Binary String Reconstruction
2-sat, brute force, constructive algorithms, greedy
Submit 1500  x11589

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