Placing N Queen in a matrix

easy
Question Solve Solutions 
Matrix problem solved with backtracking
 1. Take as input N,the size of a chess board
 2. We are asked to place N number of queens in it
 3. No queen can kill each other
 4. Write a recursive function which prints all valid configurations
 5. Void is the return type for function

Input Format

input id handled for you.This is a functional problem String will be input

Output Format

Each output in next line

Constraints

1 <= N <= 50

Notice

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