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Problem Library

371 coding challenges available

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○ 1.Cloud Transfer Credit RouteCoupons · Dijkstra — Hard

○ 2.Air Cargo Free-Leg PlannerCoupons · Dijkstra — Hard

○ 3.Delivery Route Fuel CouponsCoupons · Dijkstra — Hard

○ 4.Rail Freight Free-Segment PlanCoupons · Dijkstra — Hard

○ 5.Metro Same-Line Emergency TransferDijkstra · Graphs — Medium

○ 6.Cloud Same-Region Jump RouteDijkstra · Graphs — Medium

○ 7.Warehouse Same-Zone TeleportDijkstra · Graphs — Medium

○ 8.Campus Same-Department ShuttleDijkstra · Graphs — Medium

○ 9.Game Map Same-Portal RouteDijkstra · Graphs — Medium

○ 10.Highway Nonconsecutive Toll WaiversCoupons · Dijkstra — Hard

○ 11.Road Trip One Free SegmentDijkstra · Graphs 50% Hard

○ 12.Network Route Toll-Edge QuotaDijkstra · Graphs — Hard

○ 13.Drone Corridor Alternating ColoursDijkstra · Graphs — Hard

○ 14.Rescue Route Single Discount CapDijkstra · Graphs — Hard

○ 15.Two Separated Half-Price CouponsCoupons · Dijkstra — Hard

○ 16.One-Reversal Route in a Forward DAGDAG · Graphs — Hard

○ 17.Cheapest Route With One Half-Price EdgeDijkstra · Graphs — Medium

○ 18.Minimum Terminal Connection NetworkDijkstra · Graphs — Easy

○ 19.Count Spanning TreesGraphs · Kirchhoff's Matrix-Tree Theorem — Easy