#include <stdio.h>
#include <stdlib.h>


int main()
{
	int usernum, compnum, matchtotal, startplayer, z, takematch, maxcomp, maxhumen, randcomp;
	takematch = 0, compnum =1;

	printf("how many matches do you want to play (10-100)? \n");

	scanf("%d", &matchtotal);
	if (matchtotal < 10)
	{
		matchtotal = 10;
	}
	else if (matchtotal > 100)
	{
		matchtotal = 100;
	}

	printf("Who will move in the first turn? (1-Computer, 2-Man): \n");

	scanf("%d" , &startplayer);

	if (startplayer != 2)
	{
		/*Any else input other than 2 means comp starts */
		startplayer = 1;
	}

	while (matchtotal > 0)
	{

		if (startplayer == 2)
		{
			while (matchtotal > 0)
			{
				printf("there are %d matches on the table \n", matchtotal);

				if (takematch == 0)
				{
					maxcomp = 2 * compnum;
				}
				else
				{
					maxcomp = 2 * randcomp;
				}

				printf("possbile move is[1..%d] matches..... \n", maxcomp);

				printf("how many do u wish to take?");

				scanf("%d", &takematch);

				if (takematch < 1 || takematch > maxcomp)
				{
					printf("Illegal please retry \n");
				}

				while (takematch < 1 || takematch > maxcomp)
				{
					printf("possbile move is[1..%d] matches..... \n", maxcomp);

					printf("how many do u wish to take?");

					scanf("%d", &takematch);

					if (takematch < 1 || takematch > maxcomp)
					{
						printf("Illegal please retry \n");
					}
				}

				matchtotal = matchtotal - takematch;
				if (matchtotal <= 0)
				{
					printf("Computer wins!");
					matchtotal = 0;
				}

				maxhumen = 2 * takematch;
				printf("there are %d matches on the table \n", matchtotal);
				printf("possbile move is[1..%d] matches..... \n", maxhumen);

				randcomp = rand() % maxhumen + 1;

				if (maxhumen >= matchtotal)
				{
					printf("computer wins! \n");
					matchtotal = 0;
				}
				else
				{
					printf("computer takes %d\n", randcomp);
					matchtotal = matchtotal - randcomp;
					if (matchtotal <= 0)
					{
						printf("Humen wins! \n");
					}

				}


			}

		}

	if (startplayer == 1)
	{
		printf("there are %d matches on the table \n", matchtotal);

		if (takematch == 0)
		{
			maxhumen = 2 * compnum;
		}
		else
		{
			maxhumen = 2 * takematch;
		}


			printf("possbile move is[1..%d] matches..... \n", maxhumen);

			randcomp = rand() % maxhumen + 1;

				if (maxhumen >= matchtotal)
				{
					printf("humen wins! \n");
					matchtotal = 0;
				}
				else
				{
					printf("computer takes %d\n", randcomp);
					matchtotal = matchtotal - randcomp;
					if (matchtotal <= 0)
					{
						printf("computer wins! \n");
					}

				}


					maxcomp = 2 * randcomp;

				printf("there are %d matches on the table \n", matchtotal);

				printf("possbile move is[1..%d] matches..... \n", maxcomp);

				printf("how many do u wish to take?");

				scanf("%d", &takematch);

				if (takematch < 1 || takematch > maxcomp)
				{
					printf("Illegal please retry \n");
				}

				while (takematch < 1 || takematch > maxcomp)
				{
					printf("possbile move is[1..%d] matches..... \n", maxcomp);

					printf("how many do u wish to take?");

					scanf("%d", &takematch);

					if (takematch < 1 || takematch > maxcomp)
					{
						printf("Illegal please retry \n");
					}
				}

				matchtotal = matchtotal - takematch;
				if (matchtotal <= 0)
				{
					printf("humen wins!");
					matchtotal = 0;
				}
		}

	}

}