C1:

int sontcuoi=-1;
  for (int i=0;i<n;i++)
    if ktnt(a[i])==1)
      sontcuoi=a[i];
  return sontcuoi;

C2:

for (int i=0;i<n;i++)
  if ktnt(a[n-i])==1)
    return a[i];
  return -1;

Last modified on November 20th, 2023 at 3:34 am

10cth1 C prime so nguyen to