fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     string s;
  6.     getline(cin , s);
  7.     stack<char> st;
  8.     string ans = "";
  9.     map<char,char> mp;
  10.     mp['('] = ')';
  11.     mp['['] = ']';
  12.     mp['{'] = '}';
  13.     for(int i = 0; i < s.size(); i++){
  14.         if(!((s[i] == '(' || s[i] == '[' || s[i] == '{') || (s[i] == ')' || s[i] == ']' || s[i] == '}'))){
  15.             ans.push_back(s[i]);
  16.         }else if(s[i] == '(' || s[i] == '[' || s[i] == '{'){
  17.             ans.push_back(s[i]);
  18.             st.push(s[i]);
  19.         }else{
  20.             if(st.empty()){
  21.                 if(s[i] == '}'){
  22.                     ans.push_back('{');
  23.                     ans.push_back('}');
  24.                 }else if(s[i] == ']'){
  25.                     ans.push_back('[');
  26.                     ans.push_back(']');
  27.                 }else if(s[i] == ')'){
  28.                     ans.push_back('(');
  29.                     ans.push_back(')');
  30.                 }
  31.             }else if(mp[st.top()] == s[i]){
  32.                 ans.push_back(s[i]);
  33.                 st.pop();
  34.             }else{
  35.                 bool test = 0;
  36.                 while(!st.empty()){
  37.                     if(mp[st.top()] != s[i]){
  38.                         ans.push_back(mp[st.top()]);
  39.                         st.pop();
  40.                     }else{
  41.                         test = 1;
  42.                         ans.push_back(s[i]);
  43.                         st.pop();
  44.                         break;
  45.                     }
  46.                 }
  47.                 if(!test){
  48.                     if(s[i] == '}'){
  49.                         ans.push_back('{');
  50.                         ans.push_back('}');
  51.                     }else if(s[i] == ']'){
  52.                         ans.push_back('[');
  53.                         ans.push_back(']');
  54.                     }else if(s[i] == ')'){
  55.                         ans.push_back('(');
  56.                         ans.push_back(')');
  57.                     }
  58.                 }
  59.             }
  60.         }
  61.     }
  62.     while(!st.empty()){
  63.         ans.push_back(mp[st.top()]);
  64.         st.pop();
  65.     }
  66.     cout << ans << "\n";
  67.     return 0;
  68. }
Success #stdin #stdout 0.01s 5504KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 

	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			

			                        







			
			

				

	
					
					 https://ideone.com/3buQUl
					
					
					
					
					

												

												
						
						

					

					
					
					

						
language:

						
C++14 (gcc 8.3)

					

					

						
created:
								
						
1 year ago

					

					

						
visibility:

						

							 public																												
							
							

								
							

						

					

										
										

					
					 Share or Embed source code
					
					
					
					

						
						
						
						
						
						
						
					

					
						
	
	
	
	
					
					
					
					
					 
					
					
					
					 
					
					
					
					
					
					

					

					

					
						
					

					


	
Discover > Sphere Engine API

	
The brand new service which powers Ideone!

	
	
Discover > IDE Widget

    
Widget for compiling and running the source code in a web browser!