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Problems
Complexity
All Problems
Very simple
Simple
Average
Difficult
Very difficult
Classification
All Problems
2-sat
algorithms-on-strings
articulation-point
backtracking
beginners
bellman-ford-algorithm
binary-search
bitwise-operators
breadth-first-search
bridges
calculation-system
catalan-numbers
clique
combinatorics
connected-components
depth-first-search
dijkstra-algorithm
diophantine-equations
dynamic-programming
euclid-extended-algorithm
Others...
2-sat
algorithms-on-strings
articulation-point
backtracking
beginners
bellman-ford-algorithm
binary-search
bitwise-operators
breadth-first-search
bridges
calculation-system
catalan-numbers
clique
combinatorics
connected-components
depth-first-search
dijkstra-algorithm
diophantine-equations
dynamic-programming
euclid-extended-algorithm
euler-cycle
fenwick-tree
fibonacci-numbers
floyd-warshall-algorithm
full-search
fundamental-set-of-cycles
game-theory
gcd-lcm
geometry
graph-planarity
graph-theory
greedy-algorithm
if-then
line-program
long-arithmetic
matrix
maximum-flow
minimal-spanning-tree
modeling
number-theory
probability
problems-on-intervals
recursion
sequences
simple-mathematics
sort-and-sequence
three
topological-sort
traveling-salesman-problem
tricky-problem
two-dimensional-arrays
search
26
New-year presents
962 / 1333
27
Cycle shifts
3924 / 4793
28
Product
574 / 1354
29
The level of palindrome
1935 / 2725
30
Certification
99 / 240
31
Superstitious Santa Claus
1124 / 1339
32
Queen and pawn
154 / 426
33
The favourite numbers of Santa Claus
1585 / 2448
34
The word of sponsor
1131 / 1477
35
Triangles from Matches
549 / 1474
36
Gorynych the Dragon
1159 / 1651
37
Mail of the sponsor
781 / 1008
38
Firs conversation
93 / 216
39
Sponsor’s money
400 / 560
40
Pipeline (RU)
245 / 436
41
Command of the Mayor
411 / 623
42
Green spot
97 / 259
43
Competitors’ quantity of olimpia
2611 / 3574
44
The number of ones
2126 / 3175
45
The Fuel
136 / 196
46
The Segments
1224 / 1582
47
The Parquet of the Triangles
557 / 735
48
The Red and Blue Squares
392 / 577
49
The Smart Cat
661 / 1007
50
The cut number
353 / 487
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