#include <stdio.h>
    #include <stdlib.h>
    #include <string.h>
    int main(int argc, char* const argv[])
    {
        FILE *file;
        int a;
        int cpt;
        int i;
        int b=0;
        if(file = fopen("cpt", "r"))
        {
            fclose(file);
            file = fopen("cpt", "w");
            fread(&a,sizeof(int),1,file);
            b=a+1;
            printf("%d", a);
            fclose(file);
            file = fopen("cpt", "w");
            fwrite(&b,sizeof(int),1,file);
            fclose(file);
        }
        else
        {
            fclose(file);
            file = fopen("cpt", "w");
            fread(&a,sizeof(int),1,file);
            fwrite(&b,sizeof(int),1,file);
        }
        /*
            f
            */
        return EXIT_SUCCESS;
    }