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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	 int i=0,j=0;
  6.         for(int i=0;i<s.length();i++){
  7.             if(s[i]=='L'){i-=1;}
  8.             else if(s[i]=='R'){i+=1;}
  9.             else if(s[i]=='U'){j+=1;}
  10.             else{j-=1;}
  11.         }
  12.         if(i==0 && j==0)return true;
  13.         return false;
  14. 	return 0;
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:6:23: error: ‘s’ was not declared in this scope
         for(int i=0;i<s.length();i++){
                       ^
stdout
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Standard output is empty
https://ideone.com/krtWmA
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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