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SPOJ Problem 11. Factorial (FCTRL)

Find the number of trailing zeros for any factorial

SPOJ Problem 1680. Black and white painting (BLACK)

How many 8 × 8 chess boards are embedded in a painting which consists solely of black and white squares, arranged in a checkered pattern

SPOJ Problem 1681. Cylinder (CYLINDER)

Find the largest volume of a cylinder cut and formed from a sheet of paper

SPOJ Problem 1682. Deli Deli (DELI) Solution

Make plurals of English words from the given input

SPOJ Problem 42. Adding Reversed Numbers (ADDREV)

Add two reversed numbers and output their reversed sum

SPOJ Problem 4408. Build a Fence (FENCE1) Solution

Build a fence to maximize an area enclosed between the fence and a fixed wall