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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. long long powmod(long long base, long long power, long long mod) {
  5. 	/*
  6. 	a^b
  7. 	1. b = genap -> b = 2*k
  8. 	   a^b = a^(2*k) = (a^2)^k
  9. 	2. b = ganjil -> b = 2*k+1
  10. 	   a^b = a^(2*k+1) = (a^2)^k * a
  11. 	(a, b) -> (a^2, b/2)
  12. 	*/
  13. 	long long hasil = 1;
  14. 	// hasil*(base^power) == hasil2*((base*base)^(power/2))
  15. 	while(power > 1) {
  16. 		if(power%2 == 1)
  17. 			hasil = (hasil*base)%mod;
  18. 		base = (base*base)%mod;
  19. 		power = power/2;
  20. 	}
  21. 	hasil = (hasil*base)%mod;
  22. 	return hasil;
  23. }
  24.  
  25. int pangkat(int base, int power) {		// O(power)
  26. 	int hasil = 1;
  27. 	for(int i = 0; i < power; i++)
  28. 		hasil *= base;
  29. 	return hasil;
  30. }
  31.  
  32. int main() {
  33. 	cout << setfill('0') << setw(6);
  34. 	cout << powmod(10, 10, 1000000) << endl;
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin 
Standard input is empty
stdout 
000000
https://ideone.com/MLT8Fe
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

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