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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. //  exponentiating functions
  5. long long power(long long base, long long exp)
  6. {
  7. 	long long result = 1;
  8. 	for (int i = 0; i < exp; ++i) {
  9. 		result *= base;
  10. 	}
  11. 	return result; 
  12. }
  13. /*
  14. // recursive version
  15. int rPower(int base, int exp)
  16. {
  17. 	if (exp == 0)
  18. 		return 1; 
  19.  
  20. 	return base = base * rPower(base, --exp);
  21. }
  22.  
  23. // ------------------------------------
  24. */
  25.  
  26. int main()
  27. {
  28. 	int *k = new int;
  29. 	long long *core = new long long, *eq = new long long, *n = new long long;
  30. 	*core = 0; 
  31.  
  32. 	cin >> *n >> *k;
  33.  
  34. 	for (int i = 0; i < *k; ++i) {
  35. 		*core += 5 * power(10, i);
  36. 	}
  37.  
  38. 	*eq = power(10, (*k));
  39. 	while (*core <= *n) {
  40. 		*core += *eq;
  41. 	}
  42.  
  43. 	cout << *core << endl;
  44.  
  45. 	delete n; delete k; delete core;; delete eq;
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 15240KB
comments ()
stdin 
595 
3
stdout 
1555
https://ideone.com/SW7wZH
spoj: pieczątki dzieci
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
secret

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