-
Notifications
You must be signed in to change notification settings - Fork 0
/
BalancedParenthesis.cpp
61 lines (59 loc) · 1.26 KB
/
BalancedParenthesis.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#include <bits/stdc++.h>
using namespace std;
bool isBalanced(string x)
{
int n=x.length();
stack<char>s;
bool ans=true;
for(int i=0;i<n;i++)
{
if(x[i]=='{' || x[i]=='(' || x[i]=='[')
s.push(x[i]);
else if(x[i]==')')
{
if(!s.empty() && s.top()=='(')
s.pop();
else
{
ans=false;
break;
}
}
else if(x[i]=='}')
{
if(!s.empty() && s.top()=='{')
s.pop();
else
{
ans=false;
break;
}
}
else if(x[i]==']')
{
if(!s.empty() && s.top()=='[')
s.pop();
else
{
ans=false;
break;
}
}
}
if(!s.empty()) return false;
return ans;
}
int main()
{
int t;
string a;
cin>>t;
while(t--)
{
cin>>a;
if(isBalanced(a))
cout<<"balanced"<<endl;
else
cout<<"not balanced"<<endl;
}
}