#include<stdio.h>
#include<string.h>
#include <unistd.h>
#include<sys/wait.h>
#include<sys/types.h>

int main(int argc, char*argv[])
{
 	if(argc!=2)
	{
   		if(argc==1)
		{
     		fprintf(stderr,"Wymagany tylko jeden argument! \n");
     		return 1;
    	}
		else
		{
  		 fprintf(stderr,"Tylko jeden argument dozwolony! \n");
  		}
  		return 1;
   	}
	else if (strlen(argv[1])>20)
	{
   	fprintf(stderr,"Argument musi mieć <20 znaków! \n");
   	return 1;
  	}
	int len=strlen(argv[1]);
	if(len==1)
	{
  		char c=argv[1][0];
  		printf("Wartość ASCII argumentu %c to: %d \n",c,c);
  		return c;
 	}
	else
	{
	char part11[10];
	char part22[10];
		if(len%2==0)
		{
			int nlen=len/2;
			char part1[nlen];
			part1[nlen]='\0';
			char part2[nlen];
			part2[nlen]='\0';
			for(int i=0;i<nlen;i++)
			{
				part1[i]=argv[1][i];
				part2[i]=argv[1][i+nlen];
				memcpy(part11,part1,sizeof(part11));
				memcpy(part22,part2,sizeof(part22));
			}

		}
		else
		{
			int slen=len/2;
			int llen=slen+1;
 			char part1[slen];
			part1[slen]='\0';
 			char part2[llen];
			part2[llen]='\0';
  			for(int i=0;i<slen;i++)
			{
  				 part1[i]=argv[1][i];
  			}
  			for(int i=0;i<llen;i++)
			{
 				for(int j=slen;j<llen;j++)
				{
  				part2[i]=argv[1][j+i];
				}
  			}
			memcpy(part11,part1,sizeof(part11));
			memcpy(part22,part2,sizeof(part22));

		}
		int exit1,exit2;
		int child1=fork();
		if(child1>0)
		{
			int child2=fork();
			if(child2>0)
			{
				int status1, chPid1 =waitpid(child1,&status1,0);
				int status2, chPid2 =waitpid(child2,&status2,0);
				exit1=WEXITSTATUS(status1);
				exit2=WEXITSTATUS(status2);
				printf("%d %d %s %c \n", getpid(), child1, part11, exit1);
				printf("%d %d %s %c \n", getpid(), child2, part22, exit2);
			}
		else
		{
			execlp("./program3","./program3",part22, NULL);
		}
	}
	else
	{
		execlp("./program3","./program3",part11, NULL);
	}
	if(exit1>exit2)
	{
		return exit1;
	}
	else
	{
	return exit2;
	}
}
return 0;
}