Problems
Blockade#1741
Easy · Graphs
Apple from the tree...#1742
Easy · Graphs
Three Cities#1743
Medium · Graphs
Dots and Lines#1744
Very easy · Graphs
The mafia in the city#1745
Very easy · Graphs
Rook in the Maze#1746
Very easy · Graphs
Space Travel#1747
Very easy · Graphs
Transport nodes#1748
Very easy · Graphs
Orange mood#1749
Hard · Graphs
The product of graphs#1750
Easy · Graphs
Permutation Representation#1751
Easy · Sorting
Chemistry!!!#1752
Easy · Graphs · Graph network flows
Lowest Bit#1753
Easy · Math · Bitmasks · For Beginners · Bitwise Operations
Pedestrian and Cyclist#1754
Hard · Graphs
Office#1755
Very hard · Graphs
Optimal Programs#1756
Easy · Dynamic programming
A + B Problem#1758
Hard · Dynamic programming · Strings
Cute table#1759
Very easy · Graphs
Gnawed Books#1760
Medium · Sorting
Cute patterns 1#1761
Very easy · Dynamic programming
Numbers#1762
Very easy · Dynamic programming
Network#1763
Very easy · Dynamic programming
Sequence#1764
Easy · Dynamic programming
Three sequences#1765
Very easy · Dynamic programming
Cell Phone Network#1766
Medium · Graphs