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assignment_3
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assignment_3
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#include <bits/stdc++.h>
using namespace std;
int main()
{
long int t;
cin>>t;
while(t--)
{
stack<char> st;
string s;
cin>>s;
int c=0;
for(auto ch:s)
{
if(ch=='{'||ch=='['||ch=='('||ch=='<')
st.push(ch);
else if(ch=='|')
{
if(st.empty())
st.push(ch);
else
{
if(st.top()==ch)
st.pop();
else
st.push(ch);
}
}
else if(ch=='}')
{
if(st.empty())
{
c=1;
break;
}
else if(st.top()=='{')
st.pop();
else
{
c=1;
break;
}
}
else if(ch==']')
{
if(st.empty())
{
c=1;
break;
}
if(st.top()=='[')
st.pop();
else
{
c=1;
break;
}
}
else if(ch==')')
{
if(st.empty())
{
c=1;
break;
}
if(st.top()=='(')
st.pop();
else
{
c=1;
break;
}
}
else if(ch=='>')
{
if(st.empty())
{
c=1;
break;
}
if(st.top()=='<')
st.pop();
else
{
c=1;
break;
}
}
else
{
c=1;//for input character other than bracket
break;
}
}
if(c==1||!st.empty())
cout<<"NO"<<endl;
else
{
cout<<"YES"<<endl;
}
}
}