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54 lines (52 loc) · 803 Bytes
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Copy pathIsBalanced.cpp
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54 lines (52 loc) · 803 Bytes
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// IsBalanced
#include<iostream>
#include<stack>
using namespace std;
bool IsBalanced(char *in){
stack<char> s;
for(int i=0;in[i]!='\0';i++){
char ch = in[i];
switch(ch){
case '(': s.push(ch);break;
case '{': s.push(ch);break;
case '[': s.push(ch);break;
case ')': if(!s.empty() && s.top()=='('){
s.pop();
}
else{
return false;
}
break;
case '}': if(!s.empty() && s.top()=='{'){
s.pop();
}
else{
return false;
}
break;
case ']': if(!s.empty() && s.top()=='['){
s.pop();
}
else{
return false;
}
break;
}
}
if(s.empty()){
return true;
}
else
return false;
}
int main()
{
stack<char> s;
char in[100] = "{a+(b+c)*d+[e+f]/g}";
if(IsBalanced(in)){
cout<<"YES"<<endl;
}
else{
cout<<"NO"<<endl;
}
}