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  1. #include <stdio.h>
  2. #include <math.h>
  3. int pow(int a, int b) {
  4. 	if (b == 0) return 1;
  5. 	int g = pow(a, b / 2);
  6. 	g = g * g;
  7. 	if (b % 2) return g * a; else return g;
  8. }
  9. int pow1(int a, int b) {
  10. 	int ans = 1;
  11. 	while (b) {
  12. 		if (b & 1) ans *= a; 
  13. 		b >>= 1;
  14. 		a *= a;	
  15. 	}
  16. 	return ans;
  17. }
  18. int main() {
  19. 	int a, t;
  20. 	scanf("%d%d", &a, &t);
  21. 	return !printf("%d %d", pow(a, t), pow1(a, t));
  22. }
Success #stdin #stdout 0s 4388KB
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https://ideone.com/7jScnm
language:
C++14 (clang 8.0)
created:
5 years ago
visibility:
public

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