Problems
Sorting#2684
Medium · Sorting
Sequence#2685
Very easy · Math
SumOfPowers#2687
Hard · Dynamic programming · Math
Platforms#2688
Easy · Dynamic programming · Math
Text Editor#2689
Easy · Dynamic programming · Strings
Two Vessels#2690
Easy · Graphs
Passing grade#2691
Very easy · Implementation
Catch Fantômas#2692
Very easy · Binary Search · Math
Binary vs. Negative Binary#2693
Medium · Number theory · Combinatorics · Bitwise Operations
Determinant#2694
Very easy · Math · Implementation
Binary Division#2695
Very easy · Binary Search
Genealogical Tree#2696
Medium · Graphs · Sorting · Breadth-first Search
Staircase#2697
Easy · Math
Malvina's Vacation#2698
Easy · Brute force · Math
Painting#2699
Medium · Graphs · Greedy algorithms
Factors#2700
Easy · Math · Binary Search
Homework#2701
Very easy · Implementation
The aliens#2702
Easy · Implementation
The perfect party#2703
Very easy · Brute force
The Roman numeral system#2704
Very easy · Number theory
The union of sequences#2705
Easy · Binary Search
Splitting into factors#2706
Easy · Divide and Conquer · Brute force
Danger of explosion#2707
Very easy · Dynamic programming
Formation#2708
Very easy · Number theory · Math
Palindrome#2709
Easy · Strings