Problems

SNo	Name	Logic Used	Link
1	All permutations of an array	fixing first position, all swaps	view
2	N Queens	backtracking, finding safe position {3 directions}	view
3	Rat in a Maze	bactracking, dfs calls in 4 directions	view
4	Sudoku Solver	bactracking, finding correct value	view
5	M Coloring	backtracking, trying all possible colors	view
6	Word Break	backtracking, check partition	view