| 529 |
Critical Wires |
graphs
|
1900 |
| 530 |
Single Points of Failure |
graphs
|
1900 |
| 537 |
The Widest Road Trip |
graphs
greedy
union-find
|
1900 |
| 543 |
Distances at Scale |
trees
binary-lifting
|
1900 |
| 550 |
Digit Sums Divisible by K |
digit-dp
|
1900 |
| 551 |
The Cursed Substring |
digit-dp
|
1900 |
| 557 |
Matrix Chain Multiplication |
dp
interval-dp
|
1900 |
| 564 |
The N-th Term of a Recurrence |
dp
matrix-exponentiation
|
1900 |
| 566 |
Limited Stock Knapsack |
dp
|
1900 |
| 607 |
Inside, Outside, or On the Fence |
geometry
|
1900 |
| 619 |
Exactly K Distinct |
two-pointers
|
1900 |
| 625 |
Sum of Every Minimum |
math
stack
|
1900 |
| 633 |
Roads with a Toll Budget |
graphs
shortest-paths
|
1900 |
| 639 |
Fewest Palindrome Cuts |
strings
dp
|
1900 |
| 641 |
Non-Overlapping Gigs |
dp
binary-search
|
1900 |
| 645 |
Sum of GCDs with N |
number-theory
|
1900 |
| 646 |
Coprime to N in a Range |
number-theory
|
1900 |
| 649 |
Lattice Points Under a Line |
number-theory
|
1900 |
| 658 |
Digits Alternate Parity |
digit-dp
|
1900 |
| 659 |
Power Sum |
math
|
1900 |
| 683 |
Order Statistics Live |
binary-search
fenwick
|
1900 |
| 697 |
Even Number of Digits |
digit-dp
|
1900 |
| 698 |
Digit Sum at Most 9 |
digit-dp
|
1900 |
| 699 |
Contains a Seven |
digit-dp
|
1900 |
| 722 |
Digit Sum Equals 10 |
digit-dp
|
1900 |
| 723 |
More Even Digits than Odd |
digit-dp
|
1900 |
| 741 |
Tiling 2xN with Dominoes and L-Trominoes |
combinatorics
matrix-exponentiation
|
1900 |
| 750 |
Digit Sum Divisible by Three |
digit-dp
|
1900 |
| 752 |
First Digit Equals Last |
math
digit-dp
|
1900 |
| 779 |
Digit Sum Divisible by 11 |
digit-dp
|
1900 |
| 780 |
Adjacent Digits Differ by 2+ |
digit-dp
|
1900 |
| 782 |
No Digit Appears Twice in a Row |
digit-dp
|
1900 |
| 783 |
Odd Digit Sum |
digit-dp
|
1900 |
| 812 |
Digit Sum Divisible by 9 |
digit-dp
|
1900 |
| 813 |
Adjacent Digits Differ by One |
digit-dp
|
1900 |
| 814 |
Even Digit Product |
digit-dp
|
1900 |
| 815 |
Digit Sum Mod 3 Equals 1 |
digit-dp
|
1900 |
| 826 |
Strings Avoiding 21 |
combinatorics
kmp
matrix-exponentiation
|
1900 |
| 827 |
Strings Avoiding 20 |
combinatorics
kmp
matrix-exponentiation
|
1900 |
| 854 |
Digit Sum Divisible by 7 |
digit-dp
|
1900 |
| 856 |
Contains a Zero |
digit-dp
|
1900 |
| 859 |
Numbers with K Set Bits |
combinatorics
digit-dp
|
1900 |
| 887 |
Digit Sum Divisible by 5 |
digit-dp
|
1900 |
| 508 |
Range Add, Range Sum |
lazy-propagation
segment-tree
|
2000 |
| 509 |
Range Add, Range Min |
lazy-propagation
segment-tree
|
2000 |
| 510 |
Range Add, Range Max |
lazy-propagation
segment-tree
|
2000 |
| 515 |
Twice-As-Big Pairs |
divide-and-conquer
|
2000 |
| 531 |
Job Assignment Fair |
graphs
matching
|
2000 |
| 536 |
The Runner-Up Route |
graphs
shortest-paths
|
2000 |
| 539 |
The Sponsor's Cable |
graphs
greedy
union-find
|
2000 |
