What is wrong with the code

#1

#include
#include
using namespace std;
bool checkexpression(string str)
{
stacks;
for(int i=0;i<str.size();i++)
{
char curchar=str[i];
if(curchar==’(’)
{
s.push(curchar);
}
else if(curchar==’)’)
{
if(s.empty() || s.top()!=’(’){
return false;
}
s.pop();
}
}
return s.empty();
}
int main() {
string expr;
cin>>expr;
bool isvalid=checkexpression(expr);
if(isvalid)
{
cout<<“Yes”;
}
else{
cout<<“No”;
}
return 0;
}

#2

hi @Kunalgoyal, please send your code using any online ide , due to some formatting some part of code are missing , you can use https://ide.codingblocks.com/

#3
#4

@Kunalgoyal, in your solution you are only considering () but in the question it is mentioned that the input can have ‘{’, ‘}’ , ‘(’ , ‘)’, ‘[’ , ‘]’ types of parenthesis too

#5

now it is showing wrong answer. plz correct it.https://ide.codingblocks.com/s/268981

#6

got it now. thanks for your help

#7

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