Balanced parathsis

#1

#include <bits/stdc++.h>
using namespace std;
bool checkexp(string str)
{
stack s;
for(int i=0;i< str.size();i++)
{
char currentchar=str[i];
if(currentchar==’(’)
{
s.push(currentchar);
}
else if(currentchar==’)’){
if(s.empty() || s.top()!=’(’)
{
return false;
}
s.pop();
}
}
return s.empty();
}
int main() {
string exp;
cin>>exp;
bool isvalid=checkexp(exp);
if(isvalid==1)
cout<<“Yes”;
else
cout<<“No”;
return 0;
}
only one test case is not passing why

#2

@prajjwalrkstr hey prajjwal there is basically three cases (,{,[ and you’re doing for only ( handle all the cases.

#3

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