para nefun

    #include <stdio.h>
     #include <mpi.h>


    int main(int argc, char * argv[])
    {
    	int noProcesses, processId;
    	char poz;
    	char s = 'a';
    	int total;
    	int rozdelene;
    	  int nova;

    	MPI_Init(&argc, &argv);
    	            MPI_Comm_size(MPI_COMM_WORLD, &noProcesses);
    	            MPI_Comm_rank(MPI_COMM_WORLD, &processId);
    	            long filesize(FILE *stream);
    	            FILE *stream;
    	            stream = fopen("lala.txt", "r");

//	printf ("procesor cislo %d " , processId);
//	printf ("procesorov celkovo %d " , noProcesses);




       int ga = 0;
       int pro;
  //     int rank0 = 0, rank1 = 1, rank2 = 2, rank3 = 3;
       int f = 0;


              char c;          int i=0;



      if (processId == 0)
      {


       fseek(stream, 0, SEEK_END);
       poz = getc(stream);
       pro = ftell(stream);

               printf ("som na konci %d pozicia je %c \n",pro, poz);

               rozdelene = pro/noProcesses;
               printf ("po rozdeleni %d \n",rozdelene);

       fseek(stream, 0, SEEK_SET);

       pro = ftell(stream);
       poz = getc(stream);
      //         printf ("som na zaciatku %d pozicia je %c \n",pro, poz);

      }
      MPI_Bcast(&rozdelene, 1, MPI_INT, 0, MPI_COMM_WORLD);
      if (processId == 3)
      {
        //while(feof(stream)==0)
           for (nova = processId*rozdelene; nova < processId+1*rozdelene; nova++)
        {

            fseek(stream,nova,0);
            //i+=1;
            c=getc(stream);
            printf("%c",c);
            f=f+1;
            if( s == c )
            {
                ga = ga+1;
            }
        }
      }
           MPI_Reduce(&ga, &total, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);
           if (processId == 0)
           {
     //   printf ("%d \n",f); // kolko kra  siel cyklus
         printf (" zhoda %d krat",total);
           }
           fclose(stream);
           MPI_Finalize();

       return 0;
    }