CheckSymbolBalance, C++ (gcc)

CheckSymbolBalance

#include<bits/stdc++.h>
using namespace std;

bool isSymbolsBalanced(string input)
{
    stack<char> stk;
    char x ;
    for(auto i: input)
    {
        if(i == '{' || i == '[' || i == '(')
        {
            cout<<"push : "<<i<<"\n";
            stk.push(i);
            continue;
        }
        if(stk.empty())
        {
            return false;
        }

switch(i)
        {
            case '}':
            {
                x = stk.top();
                stk.pop();
              
                if(x != '{')
                {    
                    cout<<" pop :: "<<x<<"\n";
                    return false;
                }
                break;
            }
            case ']':
            {
                x = stk.top();
                stk.pop();
                if(x != '[')
                {    
                     cout<<" pop :: "<<x<<"\n";
                    return false;
                }
                break;
            }
            case ')':
            {
                x = stk.top();
                stk.pop();
                if(x != '(')
                {    
                     cout<<" pop :: "<<x<<"\n";
                    return false;
                }
                break;
            }

}

}
    return stk.empty();
}

int main()
{
    string sym = "{[()[]]}}";
    cout<<isSymbolsBalanced(sym);
    return 0;
}


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