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There are n kangaroos with pockets. Each kangaroo has a size (integer number). A kangaroo can go into another kangaroo's pocket if and only if the size of kangaroo who hold the kangaroo is at le

 Kevin Sun wants to move his precious collection of n cowbells from Naperthrill to Exeter, where there is actually grass instead of corn. Before moving, he must pack his cowbells into k boxes of

Crossing River Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 13308   Accepted: 5090 Description A group of N people wishes to go across a river with only o