#include #include using namespace std; /* Link to Challenge: https://www.sololearn.com/learn/4564/?ref=app Enter the string you want to check. Example Input: (Hello\W[]rl}d) Example Output: String to check? (Hello\W[]rl}d) Parenthesis: Valid Brackets: Valid Curly Brackets: Invalid */ int main(){ int parenthesisBalance = 0; int bracketBalance = 0; int curlyBracketBalance = 0; string str; cout << "String to check? "; getline(cin, str); cout << str << endl; for(int i = 0; i < str.size();i++){ switch(str[i]){ //Parenthesis Balancing case '(': parenthesisBalance--; break; case ')': parenthesisBalance++; break; //Bracket Balancing case '[': bracketBalance--; break; case ']': bracketBalance++; break; //Curly Bracket Balancing case '{': curlyBracketBalance--; break; case '}': curlyBracketBalance++; break; //Escape Character Check case '\\': if(str[i+1] == '(' || str[i+1] == ')' || str[i+1] == '[' || str[i+1] == ']' || str[i+1] == '{' || str[i+1] == '}' || str[i+1] == '\\'){ i++; } break; } } //Telling you if Parenthesis are balanced if(parenthesisBalance == 0){ cout << "Parenthesis: Valid" << endl; } else { cout << "Parenthesis: Invalid" << endl; } //Telling you if Brackets are balanced if(bracketBalance == 0){ cout << "Brackets: Valid" << endl; } else { cout << "Brackets: Invalid" << endl; } //Telling you if Curly Brackets are balanced if(curlyBracketBalance == 0){ cout << "Curly Brackets: Valid" << endl; } else { cout << "Curly Brackets: Invalid" << endl; } return 0; }

Balancing Parenthesis Challenge