Puzzles

Problems

Problem 90 - Eight Queens.

Problem 91 - Knight's Tour.

Problem 92 - Graceful Labeling.

Problem 93 - Arithmetic puzzle.

Problem 94 - Regular Graphs.

Problem 95 - Number words.

Problem 96 - Syntax checker.

Problem 97 - Sudoku solver.

Problem 98 - Nonogram solver.

Problem 99 - Crossword puzzle solver.