Probleme

Sphere#1969

Foarte dificil · Graphs · Shortest paths

David Copperfield is resting#1970

Foarte ușor · Implementation

Fateful Chess Puzzle#1971

Foarte ușor · Combinatorics

Splitting#1972

Mediu · Number theory

Rollback#1973

Foarte ușor · Segment Tree · Prefix Sums · Queries

Random Acts of Kindness Day#1974

Foarte ușor · Math · Implementation

The tightly bound son of the mountains#1975

Dificil · Graphs · Shortest paths

Programming is an art!#1976

Foarte dificil · Greedy algorithms

Organizational Problems: A Topic for a Dissertation?#1978

Ușor · Graphs · Graph network flows

Railroad#1979

Mediu · Graphs · Depth-first Search · Graph matchings

Shadow Protocol#1980

Foarte ușor · Chinese remainder theorem

Mushroom#1981

Foarte ușor · Dynamic programming

Highways#1982

Mediu · Graphs

Ricefield#1983

Foarte ușor · Implementation

Fractions#1984

Ușor · Math · Combinatorics

Primes Anna#1985

Mediu · Number theory · Implementation

Anna and the palindrome#1986

Mediu · Strings · Brute force

The Next Permutation#1987

Foarte ușor · Implementation

The largest increasing subsequence#1988

Ușor · Dynamic programming

Maximum matching#1989

Mediu · Graph matchings · Graphs · Breadth-first Search · Depth-first Search

Domino 2#1990

Foarte ușor · Graphs

Maximum flow#1991

Foarte ușor · Graphs

Weighing#1993

Foarte ușor · Math

1926-1950 din 9226