int power(int x,int n){ if(n==0)return 1;elseif(n%2==1)return x*power(x,n-1);else{ int y=power(x,n/2);return y*y;} } int main(){ int a,b,c;printf("enter x and n:");setvbuf(stdout,NULL,_IONBF,0);scanf("%d%d",&a,&b);c=power(a,b);printf("结果...
factorial(x,n));return0;}doublefactorial(doublea,intb){if(b>0)returna*factorial(a,b-1);if...