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Problems
Average
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
4
Two circles
7562 / 12242
6
The vouchers
1200 / 1888
8
Matches
3975 / 5946
9
N-digit numbers
2819 / 4273
11
Big accuracy
3573 / 5637
12
Injured Picture
752 / 1168
13
Spider and Fly
1400 / 2559
16
Dragon
1532 / 2420
20
How many times to repeat?
4724 / 7002
22
"Mirror prime" numbers
2443 / 4454
25
Paint3D
531 / 792
33
The favourite numbers of Santa Claus
1585 / 2448
40
Pipeline (RU)
245 / 436
41
Command of the Mayor
411 / 623
44
The number of ones
2126 / 3175
45
The Fuel
136 / 196
48
The Red and Blue Squares
392 / 577
49
The Smart Cat
661 / 1007
55
The presents to the 8th of March
682 / 1096
62
The Factorial
1586 / 3155
64
The Timetable from "Diez-Product"
121 / 174
84
Transfer
31 / 55
88
LeChuck’s Revenge
51 / 88
93
Truck Driving
55 / 97
94
Primes’ Problem
31 / 57
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