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  1. #include <stdio.h>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. 	int n;
  8. 	scanf("%d",&n);
  9.  
  10. 	vector <vector <int> > val;
  11.  
  12.  
  13. 	int size=0;
  14. 	for(int i=0;i<n;i++)
  15. 	{
  16.  
  17. 		scanf("%d",&size);
  18. 		int temp;
  19. 		vector <int> cur;
  20. 		for(int j=0;j<size;j++)
  21. 		{
  22. 			scanf("%d",&temp);
  23. 			cur.push_back(temp);
  24. 		}
  25. 		val.push_back(cur);
  26. 	}
  27.  
  28.  
  29. 	int ind[n];
  30. 	for(int i=0;i<n;i++)ind[i]=0;
  31.  
  32. 	int ans=0;
  33. 	int prev=-1;
  34. 	int done = false;
  35.  
  36. 	while(!done)
  37. 	{
  38. 		done = true;
  39. 		int min =-1;
  40. 		int cur=-1;
  41. 		for(int i=0;i<n;i++)
  42. 		{
  43. 			if(ind[i]<val[i].size())
  44. 			{
  45. 				done = false;
  46. 				if(min==-1)
  47. 					{
  48. 						min = val[i][ind[i]];
  49. 						cur =i;
  50. 						// ind[i]++;
  51. 					}
  52. 				else
  53. 				{
  54. 					if(val[i][ind[i]]<min){min = val[i][ind[i]];cur=i;}
  55.  
  56. 				}		
  57.  
  58. 			}
  59. 		}
  60.  
  61. 		if(!done)
  62. 		{
  63. 			// prev = cur;
  64. 			if(ind[cur]==val[cur].size()-1)
  65. 			{
  66. 				if(prev!=cur)ans++;
  67. 			}
  68. 			else 
  69. 			{
  70. 				if(prev!=cur)ans+=2;
  71. 			}
  72. 		}
  73. 	}
  74.  
  75. 	printf("sum - %d\n",ans);
  76.  
  77. 	// for(int i=0;i<n;i++)
  78. 	// {
  79. 	// 	for(int j=0;j<val[i].size();j++)
  80. 	// 	{
  81. 	// 		printf("%d ",val[i][j]);
  82. 	// 	}
  83. 	// 	printf("\n");
  84. 	// }
  85.  
  86. 	return 0;
  87. }
Time limit exceeded #stdin #stdout 5s 2876KB
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https://ideone.com/1j14U9
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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