Problems
Queue
Competitions
Ranking
Articles
Signup
Signin
bolt
Try our new interface for solving problems
Try
Problems
Complexity
All Problems
Very simple
Simple
Average
Difficult
Very difficult
two-dimensional-arrays
All Problems
---traveling-salesman-problem-
-three-
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
Others...
---traveling-salesman-problem-
-three-
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
graphs
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
tree
tricky-problem
two-dimensional-arrays
search
488
Bypass matrix with "snake"
2734 / 3010
683
Partial matrix sum
2291 / 2550
2666
Half
6863 / 7332
2667
Snake
3594 / 3941
2668
Spiral
581 / 1450
2669
Rotation
4774 / 5215
2670
Координаты соседей
2380 / 2700
2671
Сапер
1796 / 2083
2812
Уголок
366 / 425
7368
Arithmetic mean for figure skaters
3421 / 4054
9560
Two-dimensional array - input, output
2120 / 2245
9561
Largest in each column
1800 / 2002
9562
Сума елементів підмасиву
1103 / 1203
9563
Rows with minimal elements
1652 / 1904
9564
Rows with maximum sum
1285 / 1550
9565
Minimum among maximums
1618 / 1783
9566
Сортування по стовпцях
788 / 909
9567
Здвинути нульові елементи праворуч
962 / 1027
9568
Здвинути нульові елементи в гору
801 / 880
9569
Повернути масив за годинниковою стрілкою
1061 / 1139
9570
Відобразити відносно вертикальної осі симетрії
1138 / 1196
9893
Matrix: sum of indexes
1225 / 1264
9894
Sum of rows
1157 / 1283