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Balanced Parenthesis #292

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Balanced Parenthesis #292

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48 changes: 48 additions & 0 deletions BalancedParenthesis.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
#include<bits/stdc++.h>
using namespace std;
bool isBalanced(string s,int n)
{
stack<char> st;
char c;
for(int i=0;i<n;i++)
{
if((s[i]=='(')||(s[i]=='{')||(s[i]=='['))
{
st.push(s[i]);
continue;
}
if(st.empty())
return false;
switch(s[i])
{
case ')':c=st.top();
st.pop();
if(c!='(')
return false;
break;
case '}':c=st.top();
st.pop();
if(c!='{')
return false;
break;
case ']':c=st.top();
st.pop();
if(c!='[')
return false;
break;
}
}
if(st.empty())
return true;
return false;
}
int main()
{
string s;
cin>>s;
if(isBalanced(s,s.size()))
cout<<"Balanced paranthesis"<<endl;
else
cout<<"Not Balanced paranthesis"<<endl;
return 0;
}