Isomorphic C language

find 1 to 99 All isomorphic numbers between .

Isomorphic numbers are a group of numbers ： It appears to the right of the square .

for example ,5 yes 25 The number on the right ,25 yes 625 The number on the right ,5 and 25 It's an isomorphic number .

int main(){
    int i;
    for(i=1;i<100;i++)
        if(i*i%10==i||i*i%100==i) 
            printf("%3d",i);
    return 0;
}