Problemler
Sphere#1969
Çok zor · Graphs · Shortest paths
David Copperfield is resting#1970
Çok kolay · Implementation
Fateful Chess Puzzle#1971
Çok kolay · Combinatorics
Splitting#1972
Orta · Number theory
Rollback#1973
Çok kolay · Segment Tree · Prefix Sums · Queries
Random Acts of Kindness Day#1974
Çok kolay · Math · Implementation
The tightly bound son of the mountains#1975
Zor · Graphs · Shortest paths
Programming is an art!#1976
Çok zor · Greedy algorithms
Well, a very common method for graphs...#1977
Kolay · Graphs
Organizational Problems: A Topic for a Dissertation?#1978
Kolay · Graphs · Graph network flows
Railroad#1979
Orta · Graphs · Depth-first Search · Graph matchings
Shadow Protocol#1980
Çok kolay · Chinese remainder theorem
Mushroom#1981
Çok kolay · Dynamic programming
Highways#1982
Orta · Graphs
Ricefield#1983
Çok kolay · Implementation
Fractions#1984
Kolay · Math · Combinatorics
Primes Anna#1985
Orta · Number theory · Implementation
Anna and the palindrome#1986
Orta · Strings · Brute force
The Next Permutation#1987
Çok kolay · Implementation
The largest increasing subsequence#1988
Kolay · Dynamic programming
Maximum matching#1989
Orta · Graph matchings · Graphs · Breadth-first Search · Depth-first Search
Domino 2#1990
Çok kolay · Graphs
Maximum flow#1991
Çok kolay · Graphs
Dividing the graph#1992
Kolay · Graphs
Weighing#1993
Çok kolay · Math