Problemi
Quick Answer#1371
Molto facile · Disjoint set union
Lucky Numbers#1372
Molto facile · Math · Brute force
GCD Determinant#1373
Facile · Number theory · Math
Internet Service Providers#1374
Facile · Optimization
Base -2#1375
Molto facile · Number theory
The Bases Are Loaded#1376
Facile · Number theory
What Base Is This?#1377
Media · Number theory
Fibonaccimal Base#1378
Molto facile · Number theory
Palindometer#1380
Molto facile · Brute force
Balloons#1381
Facile · Greedy algorithms
Selling Cells#1382
Media · Geometry · Implementation
Not One Bit More#1383
Media · Binary Search
Abstract Extract#1384
Molto facile · Implementation
Roller Coaster#1385
Molto facile · Dynamic programming
Spy Cam#1386
Facile · Implementation
Cavi sotterranei#1387
Media · Greedy algorithms · Disjoint set union · Sorting · Geometry
Petrol Stations#1388
Media · Shortest paths · Dijkstra algorithm
Buses#1389
Molto facile · Shortest paths
Car race#1390
Molto facile · Graphs
Recursion#1391
Molto difficile · Depth-first Search · Expression parsing
Wave traversal of a graph#1392
Media · Graphs
The Table#1393
Facile · String suffix structures
Calculator#1394
Difficile · Implementation
Largest Empty Circle on a Segment#1395
Facile · Geometry
Problemsetting#1396
Facile · Graphs