#include <iostream>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>

using namespace std;
using MyNumberT = short;

int main(int argc, char * argv[]){

    int fd{open("suidfile", O_WRONLY | O_CREAT, S_ISUID | S_IRWXU )};

    if (fd == -1) {
       perror("\tError open:");
    }

    char c;

    for(int i =0; i < 10; ++i) {
       write(fd, &i, sizeof(int));
    }


    close(fd);
    return 0;
}