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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	string s;
  6. 	cin>>s;
  7. 	string ans;
  8. 	ans = s[0];
  9. 	for(int i = 1; i<s.size();i++){
  10. 		if(s[i-1] != s[i]){
  11. 			ans+=s[i];
  12. 		}
  13. 	}
  14. 	//if(s[s.size()-2]!=s[s.size()-1])ans+=s[s.size()-1];
  15. 	cout<< ans;
  16. }
Success #stdin #stdout 0s 5312KB
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https://ideone.com/cpYn8V
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

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