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  1. #include <iostream>
  2. #define N 20001
  3. #define W 1000
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	int i, j;
  9. 	int **ptr= NULL;
  10.     ptr = new int*[N];
  11. 	for (i = 0; i < N; i++) {
  12. 		ptr[i] = new int[W];
  13. 	}
  14.  
  15.  
  16. 	for (i = 0; i < N; i++) {
  17. 		for (j = 0; j < W; j++) {
  18. 			ptr[i][j] = 0;
  19. 		}
  20. 	}
  21. 	ptr[0][0] = 0;  //可省略
  22. 	ptr[1][0] = 1;
  23.  
  24. 	//___________________________________
  25.  
  26. 	int tem = 0;
  27. 	for (i = 2; i < N; i++) {
  28. 		for (j = 0; j < W; j++) {
  29. 			ptr[i][j] = ptr[i - 1][j] + ptr[i - 2][j] + tem;
  30. 			if (ptr[i][j]>10000000) {
  31. 				tem = ptr[i][j] / 10000000;
  32. 				ptr[i][j] = ptr[i][j] % 10000000;
  33. 			}
  34. 			else
  35. 				tem = 0;
  36. 		}
  37. 	}
  38. 	int n;
  39. 	while (cin >> n) {
  40. 		for (i = n, j = W - 1; j >= 0; j--)
  41. 			if (ptr[i][j] != 0)
  42. 				break;
  43. 		for (i = n; j >= 0; j--) {
  44. 			cout << ptr[i][j];
  45. 		}
  46.  
  47. 		cout << endl;
  48. 	}
  49. 	for (i = 0; i < N; i++)
  50. 		delete[] ptr[i];
  51. 	delete[] ptr;
  52.  
  53. 	system("pause");
  54. 	return 0;
  55. }
Success #stdin #stdout #stderr 0.07s 93632KB
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Standard input is empty
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Standard output is empty
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sh: 1: pause: not found
https://ideone.com/SFFUMe
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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