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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,m,no;
  6. 	string s;
  7. 	cin>>n>>m;
  8. 	bool flag;
  9. 	int lef=n+1,ri=0;
  10. 	while(m--)
  11. 	{
  12. 		flag=false;
  13. 		for(int i=0;i<4;i++)
  14. 		{
  15. 			cin>>s;
  16. 			//cout<<s<<endl;
  17. 			if(i==2)
  18. 			{
  19. 				if(s=="right")
  20. 					flag=true;
  21. 				else
  22. 				flag=false;
  23. 			}
  24. 		}
  25. 		cin>>no;
  26. 		if(!flag)//true-->right
  27. 		{
  28. 			lef=min(lef,no);
  29. 		}
  30. 		else
  31. 		{
  32. 			ri=max(ri,no);
  33. 		}
  34. 	}
  35. 	cout<<"left "<<lef<<" ri"<<ri<<endl;
  36. 	if(lef<ri)
  37. 	cout<<-1<<endl;
  38. 	else
  39. 	cout<<lef-ri-1<<endl;
  40. }
Success #stdin #stdout 0s 4540KB
comments (?)
stdin
copy 
3 2
To the right of 1
To the right of 2
stdout
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left 4 ri2
1
https://ideone.com/QnXejG
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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