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  1. #include <iostream>     
  2. #include <stdio.h>
  3. #include <algorithm>
  4. #include <string.h>
  5. #include <cmath>
  6. #include <set>
  7. #include <cstdlib>
  8. #include <cstring>
  9. #include <ctype.h>
  10. #include <map>
  11. using namespace std;
  12.  
  13.  
  14. /*long long int fact(long long int a)
  15. {
  16. 	if(a==0||a==1)
  17. 		return 1;
  18. 	else
  19. 	{
  20. 		long long int ans=1;
  21. 		for(long long int i=a;i>=1;i--)
  22. 		{
  23. 			ans=(ans%1000000007)*(i%1000000007);
  24. 			ans=(ans%1000000007);
  25. 		}
  26. 		return ans;
  27. 	}
  28. }
  29.  
  30. int cmpfunc (const void * a, const void * b)
  31. {
  32.     if( *(long long int*)a - *(long long int*)b < 0 )
  33.         return -1;
  34.     if( *(long long int*)a - *(long long int*)b > 0 )
  35.         return 1;
  36.     if( *(long long int*)a - *(long long int*)b == 0 )
  37.         return 0;
  38. }*/
  39. int a[100000];
  40.  
  41. int main()
  42. {
  43. 	long long int t;
  44. 	cin>>t;
  45. 	while(t--)
  46. 	{
  47. 		getchar();
  48. 		long long int n,k;
  49. 		cin>>n>>k;
  50. 		for(long long int i=1;i<=n;i++)
  51. 			a[i]=0;
  52. 		for(long long int i=0;i<k;i++)
  53. 		{
  54. 			long long int weight;
  55. 			cin>>weight;
  56. 			long int left[10000],right[10000];
  57. 			for(long long int j=0;j<weight;j++)
  58. 				cin>>left[j];
  59. 			for(long long int j=0;j<weight;j++)
  60. 				cin>>right[j];
  61. 			char comp;
  62. 			cin>>comp;
  63. 			if(comp=='=')
  64. 			{
  65. 				for(long long int k=0;k<weight;k++)
  66. 				{
  67. 					a[left[k]]=1;
  68. 					a[right[k]]=1;
  69. 				}
  70. 			}
  71. 			//else if ()
  72. 		}
  73. 		long long int ans=0,count=0;
  74. 		for(long long int i=1;i<=n;i++)	
  75. 		{
  76. 			if(a[i]==0)
  77. 			{
  78. 				count++;
  79. 				ans=i;
  80. 			}
  81. 		}
  82. 		if(count==1)
  83. 			cout<<ans<<endl;
  84. 		else
  85. 			cout<<0<<endl
  86. 	}
  87. 	return 0;	
  88. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:86:2: error: expected ';' before '}' token
  }
  ^
stdout 
Standard output is empty
https://ideone.com/LiUclc
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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