Notes
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#include<string>
using namespace std;
class stack1{
char stack[1000];
int top = -1;
public:
void push(char element){
if (!isFull()){
stack[++top] = element;
}
else
cout << "stack is already full. cant push!" << endl;
}
bool isFull(){
return top == 1000;
}
void Pop() {
if (!isEmpty())
stack[--top] = -1;
}
bool isEmpty() {
return top<0;
}
};
int main()
{
string input;
int i = 0;
cout << "Enter the string:n";
cin >> input;
stack1 a;
while (true)
{
if ((input[i] == '{') || (input[i] == '(') || (input[i] == '['))
{
a.push(input[i]);
}
if ((input[i] == '}') || (input[i] == ')') || (input[i] == ']'))
{
a.Pop();
}
++i;
if (input[i] == ' ')
{
break;
}
}
if (a.isEmpty())
{
cout << "ncorrect statementn";
}
else
{
cout << "nin-correct statementn";
}
}
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