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MStk.cpp
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MStk.cpp
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#include <iostream>
using namespace std;
const int MAX=100;
class MStk{
private:
int top[100], bot[100], arr[MAX], n, a;
public:
MStk(){
cout<<"number of stacks: ";
cin>>n;
cout<<"enter the size of the Multiple stack";
top[0] = bot[0] = -1;
for(int i=1, j=-1;i<n;i++){
cin>>a;
j=j+a;
top[i]=bot[i]=j;
}
for(int i=0, j=-1;i<n;i++){
cout<<top[i]<<" ";
}
}
void push(int ele, int NumStk){
if (top[NumStk]==bot[NumStk+1]){
cout<<"Stack overflow";
return;
}
else{
arr[++top[NumStk]]=ele;
return;
}
}
int pop(int NumStk){
if (top[NumStk]==bot[NumStk]){
cout<<"Underflow";
}
else{
return arr[top[NumStk]--];
}
}
void display(){
for (int i=0;i<n;i++){
cout<<"Stack "<<i<<": ";
for (int j=bot[i];j<top[i];j++){
cout<<arr[j]<<" ";
}
cout<<"\n";
}
}
};
int main(){
MStk s1;
int z, ele, NumStk;
while (z!=-1){
cout<<"Enter action: 1 for push, 2 for pop, 3 for display, -1 for exit";
cin>>z;
switch (z){
case -1:
break;
case 1:
cout<<"enter element and matrix num starting from 0: ";
cin>>ele>>NumStk;
s1.push(ele, NumStk);
break;
case 2:
cout<<"enter matrix num starting from 0: ";
cin>>NumStk;
ele = s1.pop(NumStk);
cout<<ele;
break;
case 3:
s1.display();
break;
}
}
return 0;
}