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POProgramming error in allocating new stack
primarykey
Id
12070900
data
AcceptedAnswerId
12071624
AnswerCount
3
ClosedDate
CommentCount
10
CommunityOwnedDate
CreationDate
2012-08-22T10:13:02.763
FavoriteCount
0
LastActivityDate
2012-08-22T17:44:03.340
LastEditDate
2012-08-22T10:27:27.723
LastEditorUserId
527807
OwnerUserId
1567684
ParentId
0
PostTypeId
1
Score
0
ViewCount
248
LastEditorDisplayName
text
Body
I am writing a program to implement a stack which works like a real world stack means it topples when the size of a stack reaches threshold and therefore need to create a new stack for inserting that new element. Below is my program for this: <pre><code>#include <iostream> #include<vector> #include<stack> using namespace std; class stack_of_plates { vector<stack<int> > stacks; unsigned int stack_size; public: stack_of_plates(unsigned int size=100) { stack_size=size; } void push(int data) { if(stacks.empty()) { stack<int> *sptr= new stack<int>; //on debugging Segmentation fault at thisline stacks.push_back(*sptr); } vector<stack<int> >::iterator it=stacks.end(); if(it->size()==stack_size) { stack<int> *sptr= new stack<int>; //on debugging Segmentation fault at thisline stacks.push_back(*sptr); } it->push(data); } void pop() { if(stacks.empty()) { cout<<"\nEmpty Stack"; return ; } vector<stack<int> >::iterator it=stacks.end(); if(it->empty()) { it--; } it->pop(); } int top() { if(stacks.empty()) { cout<<"\nEmpty Stack"; return 0; } vector<stack<int> >::iterator it=stacks.end(); if(it->empty()) { it--; } return it->top(); } }; int main() { stack_of_plates ss; ss.push(1); ss.push(2); cout<<ss.top(); return 0; } </code></pre> On compiling it gives no error or warning. However program terminates with unusual error. On debugging its giving segmentation fault error indicating problem in allocating new stack. Kindly help me how should i change my code while allocating the new stack. Please help me removing this error.
Tags
<c++><stack>
Title
Programming error in allocating new stack
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1. PO
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1. USPawel Zubrycki
UserOwnerUserId
1. UScexplorer
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