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  1. #include <cstdio>
  2. const int mod = 9901;
  3. int m[6][6] = { 1, 2, 6, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0}, a[6][6], b[6][6], r[6][6];
  4. int v[6] = { 170, 62, 23, 10, 3, 1 };
  5. int main() {
  6. 	int T, n;
  7. 	for (scanf("%d", &T); T--;) {
  8. 		scanf("%d", &n);
  9. 		if (n == 0) printf("0\n");
  10. 		if (n == 1) printf("1\n");
  11. 		if (n == 2) printf("3\n");
  12. 		if (n == 3) printf("10\n");
  13. 		if (n == 4) printf("23\n");
  14. 		if (n == 5) printf("62\n");
  15. 		if (n == 6) printf("170\n");
  16. 		if (n >= 7) {
  17. 			bool first = true;
  18. 			n -= 6;
  19. 			for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) a[i][j] = r[i][j] = m[i][j];
  20. 			while (n) {
  21. 				if (n & 1) {
  22. 					if (first) {
  23. 						first = false;
  24. 						for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) r[i][j] = a[i][j];
  25. 					}
  26. 					else {
  27. 						for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) b[i][j] = 0;
  28. 						for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) for (int k = 0; k < 6; k++) b[i][j] = (b[i][j] + a[i][k] * r[k][j]) % mod;
  29. 						for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) r[i][j] = b[i][j];
  30. 					}
  31. 				}
  32. 				for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) b[i][j] = 0;
  33. 				for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) for (int k = 0; k < 6; k++) b[i][j] = (b[i][j] + a[i][k] * a[k][j]) % mod;
  34. 				for (int i = 0; i < 6; i++) for (int j = 0; j < 6; j++) a[i][j] = b[i][j];
  35. 				n /= 2;
  36. 			}
  37. 			int res = 0;
  38. 			for (int i = 0; i < 6; i++) res = (res + r[0][i] * v[i]) % mod;
  39. 			printf("%d\n", (res + mod) % mod);
  40. 		}
  41. 	}
  42. }
Success #stdin #stdout 0s 3344KB
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https://ideone.com/CEa9Q7
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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