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  1. #include <iomanip>
  2. #include <iostream>
  3. #include <cstdio>
  4. //47!,48! WA
  5. using namespace std;
  6. int PR[168]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997};
  7. int AN[168]={0};
  8. int ana_std(int inn)
  9. {
  10. 	//int K= Prime.size();
  11. 	int K=168;
  12. 	int ret=0;
  13. 	for (int i=0; PR[i]<= inn && i< K; i++)
  14. 	{
  15. 		int that= PR[i];
  16. 		while(inn % that==0)
  17. 		{
  18. 			inn /= that;
  19. 			AN[i] +=1;
  20. 			if (inn==1)
  21. 				return ret;
  22. 		}
  23. 	}
  24. 	if (ret>1)
  25. 		return ret;
  26. 	else
  27. 		return(1);
  28. }
  29. void ACM160(int N)
  30. {
  31. 	for (int t=0;t<168; t++)
  32. 	{
  33. 		AN[t]=0;
  34. 	}
  35. 	for (int x=2; x<=N; x++)
  36. 	{
  37. 		ana_std(x);
  38. 	}
  39. 	cout<<setw(3)<<setiosflags(ios::fixed)<<N<<"! =";
  40. 	//printf("%3d! = ",N);
  41.  
  42.  
  43. 	for (int i=0; i<168; i++)
  44. 	{
  45.  
  46. 		if (AN[i]>0)
  47. 		{
  48. 			cout <<setw(3)<<setiosflags(ios::fixed)<<AN[i];
  49. 			//printf("%3d",AN[i]);
  50. 			if (i==14 && AN[i+1]!=0)
  51. 			{
  52. 				if (N==100)
  53. 					cout<<endl<<"      ";
  54. 				else
  55. 					cout<<endl<<"      ";
  56. 			}
  57. 		}else
  58. 		{
  59. 			cout<<endl;
  60. 			break;
  61. 		}
  62. 	}
  63. }
  64. int main()
  65. {	int N;
  66. 	while(cin>>N)
  67. 	{
  68. 		if (N>=2 && N<=100)
  69. 		{
  70. 			ACM160(N);
  71. 		}else if (N==1)
  72. 		{
  73. 			cout<<setw(3)<<setiosflags(ios::fixed)<<N<<"! ="<<endl;
  74. 			//printf("%3d",N);
  75. 			//printf("! =\n");
  76. 			continue;
  77. 		}
  78. 		else
  79. 			break;
  80. 	}
  81. 	//getchar();
  82. 	return 0;
  83. }
Success #stdin #stdout 0.02s 2680KB
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https://ideone.com/TqqIX
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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