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| #include <iostream> | |
| #include <string> | |
| #include <stack> | |
| using namespace std; | |
| int main() { | |
| string line ; | |
| string res ; | |
| while(getline(cin,line)){ | |
| for(int i =0 ; i<line.size();i++){ | |
| char ch = line[i]; | |
| if(ch == '(' || ch == '{' || ch == '[' || ch == ']' || ch == '}' || ch == ')'){ | |
| res+= ch; | |
| } | |
| } | |
| } | |
| cout << "res is " << res << endl; // moving this at line 17 prints but here it does not print anything | |
| } |
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