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

int main(){
  nvmlInit();
  unsigned int cnt = 0;
  nvmlReturn_enum res = nvmlDeviceGetCount(&cnt);
  std::cout << res << std::endl;
  for(unsigned int i= 0; i < cnt; i++){
    nvmlDevice_t dev;
    res = nvmlDeviceGetHandleByIndex(i, &dev);
    std::cout << res << std::endl;
    char UUID[128] = {0};
    res = nvmlDeviceGetUUID(dev, UUID, 128);
    std::cout << res << std::endl;
    std::cout << i << " -> " << UUID << std::endl;
  }
  return 0;
}