int?IsTongGou(int?a)?{//判斷是否同構?
int?b=a*a;
while(a!=0){
if(b%10!=a%10)?{
return?0;?
}?else?{
b=b/10;
a=a/10;
}
return?1;
int?main()?{
for(int?i=1;i<1000;i++)?{
if(IsTongGou(i))?{
printf("%d?",i);
printf("\n");