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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. string ss;
  4. int N,R=0,L=0,U=0,D=0;
  5. int main() {
  6. 	cin>>N>>ss;
  7. 	for(int q=0;q<N-1;q=q+1){
  8. 		if((ss[q]=='R' and ss[q+1]=='L') or (ss[q]=='L' and ss[q+1]=='R')){
  9. 			cout<<"Yes";
  10. 			return 0;
  11. 		}
  12. 		else if((ss[q]=='U' and ss[q+1]=='D') or (ss[q]=='D' and ss[q+1]=='U')){
  13. 			cout<<"Yes";
  14. 			return 0;
  15. 		}
  16. 	}
  17. 	for(int q=0;q<N-3;q=q+1){
  18. 		R=0;
  19. 		L=0;
  20. 		U=0;
  21. 		D=0;
  22. 		for(int w=0;w<4;w=w+1){
  23. 			if(ss[q+w]=='R'){
  24. 				R+=1;
  25. 			}
  26. 			else if(ss[q+w]=='L'){
  27. 				L+=1;
  28. 			}
  29. 			else if(ss[q+w]=='U'){
  30. 				U+=1;
  31. 			}
  32. 			else if(ss[q+w]=='D'){
  33. 				D+=1;
  34. 			}
  35. 		}
  36. 		if(R==1 and L==1 and U==1 and D==1){
  37. 			cout<<"Yes";
  38. 			return 0;
  39. 		}
  40. 	}
  41. 	cout<<"No";
  42. 	return 0;
  43. }
Success #stdin #stdout 0.01s 5304KB
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stdin
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20
URDDLLUUURRRDDDDLLLL
stdout
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https://ideone.com/k1pB8j
language:
C++ (gcc 8.3)
created:
37 days ago
visibility:
public

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