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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	string s="hello world 123";
  6. 	cin>>s;
  7. 	stack<string>st;
  8. 	string str="";
  9. 	for(int i=0;i<s.length();i++){
  10. 		if(s[i]==' '){
  11. 			st.push(str);
  12. 			str="";
  13. 		}
  14. 		else str+=s[i];
  15. 	}
  16. 	string ans="";
  17. 	while(st.size()!=1){
  18. 		ans+=st.top()+" ";
  19. 		st.pop();
  20. 	}
  21. 	ans+=st.top();
  22. 	cout<<ans;
  23. 	// your code goes here
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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world hello
https://ideone.com/d0wCUd
language:
C++ (gcc 8.3)
created:
42 days ago
visibility:
public

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