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  1. #include<bits/stdc++.h>
  2. #define ll long long int
  3. using namespace std;
  4.  
  5. int main () {
  6.  
  7. 	ll n;
  8. 	cin>>n;
  9.  
  10. 	string s;
  11. 	cin>>s;
  12.  
  13. 	ll m;
  14. 	cin>>m;
  15.  
  16. 	while(m--){
  17.  
  18. 		ll l,r;
  19. 		cin>>l>>r;
  20.  
  21. 		l--;
  22. 		r--;
  23.  
  24. 		string s1 = s.substr(l,r-l+1);
  25. 		string s2 = s1;
  26. 		reverse(s1.begin(),s1.end());
  27.  
  28. 		if(s1==s2){
  29. 			cout<<"YES"<<"\n";
  30. 		}else{
  31. 			cout<<"NO"<<"\n";
  32. 		}
  33.  
  34. 	}
  35.  
  36. 	return 0;
  37. }
Runtime error #stdin #stdout #stderr 0s 4384KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 47673814220583) > this->size() (which is 0)
https://ideone.com/LAF2nw
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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