#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
from subprocess import Popen, PIPE

def solveIt(inputData):
    process = Popen(['nqueens.exe', str(inputData)], stdout=PIPE)
    (stdout, stderr) = process.communicate()

    return stdout.strip()


import sys

if __name__ == "__main__":
    if len(sys.argv) > 1:
        try:
            n = int(sys.argv[1].strip())
        except:
            print sys.argv[1].strip(), 'is not an integer'
        print 'Solving Size:', n
        print(solveIt(n))

    else:
        print('This test requires an instance size.  Please select the size of problem to solve. (i.e. python queensSolver.py 8)')