# include & ltstdio.h & gt
int main()
{
int x;
scanf("%d ",& ampx);
printf("%c %c\n ",char(x + 'A' - 1),char(x+' A '-1));
返回0;
}
第二個程序代碼
# include & ltstdio.h & gt
# include & ltmath.h & gt
int main()
{
雙x;
scanf("%lf ",& ampx);
double temp = sqrt(x);
int(temp)!= temp?printf(" NO \ n "):printf(" YES \ n ");
返回0;
}