Маселелер
Parallelepiped#1
Абдан жеңил · Math
Grandchildren#2
Абдан жеңил · Math
Colorful Balls#3
Жеңил · Brute force · Combinatorics
Colorful String#4
Жеңил · Combinatorics · Greedy algorithms
Painting stones#5
Орточо · Greedy algorithms · Math · Sorting
Pairwise Product#6
Орточо · Prefix Sums · Math · Combinatorics
Sashko-Array Constructor#7
Орточо · Prime factorization · Greedy algorithms
Sets#8
Орточо · Combinatorics · Number theory · Binary Search
Pies#9
Абдан жеңил · Math
Arithmetic Mean#10
Абдан жеңил · Math
Cossack Vus and Friend at CP Olympiad#11
Жеңил · Implementation
Add and Minimize#12
Орточо · Greedy algorithms · Sorting
Magic Knights#13
Орточо · Combinatorics · Math
Trivial? Solve It!#14
Орточо · Number theory · Math · Prefix Sums
Rook#15
Абдан жеңил · Math
Coordinates#16
Абдан жеңил · Math
Sleepy Sasha is Trouble at the University#17
Абдан жеңил · Math
Bohdan against "tails"#18
Жеңил · Hashing
Pasha is also against "tails"?#19
Жеңил · Sorting · Math
Anton buys a piglet#20
Татаал · Greedy algorithms · Binary Search · Constructive Algorithms · Number theory