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| 1 | /************ stack.h ************/ | |
| 2 | #include<vector> | |
| 3 | #include<iostream> | |
| 4 | #include<algorithm> | |
| 5 | using namespace std; | |
| 6 | class stack | |
| 7 | {
| |
| 8 | public: | |
| 9 | - | bool push(const string&); |
| 9 | + | |
| 10 | - | bool pop(string &elem); |
| 10 | + | |
| 11 | - | bool peek(string &elem); |
| 11 | + | ... |
| 12 | - | bool empty() const {return _stack.empty();}
|
| 12 | + | ... |
| 13 | - | bool full() const {return _stack.size()==_stack.max_size();}
|
| 13 | + | |
| 14 | - | int size() const {return _stack.size();}
|
| 14 | + | |
| 15 | ||
| 16 | }; | |
| 17 | ||
| 18 | /********** stack.cpp **********/ | |
| 19 | ||
| 20 | #include "stack.h" | |
| 21 | ... | |
| 22 | ... | |
| 23 | bool stack::find (const string &elem) const | |
| 24 | {
| |
| 25 | vector<string>::const_iterator it = _stack.begin(); | |
| 26 | - | bool stack::push(const string& str) |
| 26 | + | |
| 27 | } | |
| 28 | - | if(full()) return false; |
| 28 | + | |
| 29 | - | _stack.push_back(str); |
| 29 | + | |
| 30 | - | return true; |
| 30 | + | |
| 31 | return (::count(_stack.begin(),_stack.end(),elem)); | |
| 32 | - | bool stack::pop(string& elem) |
| 32 | + | |
| 33 | ||
| 34 | - | if(empty()) return false; |
| 34 | + | |
| 35 | - | elem = _stack.back(); |
| 35 | + | |
| 36 | - | _stack.pop_back(); |
| 36 | + | |
| 37 | - | return true; |
| 37 | + | |
| 38 | {
| |
| 39 | - | bool stack::peek(string& elem) |
| 39 | + | |
| 40 | string str; | |
| 41 | - | if(empty()) return false; |
| 41 | + | |
| 42 | - | elem = _stack.back(); |
| 42 | + | |
| 43 | - | return true; |
| 43 | + | |
| 44 | st.push(str); | |
| 45 | } | |
| 46 | ... | |
| 47 | cout<<"\nEnter a word to search: "; | |
| 48 | cin>>str; | |
| 49 | if(st.find(str)) | |
| 50 | cout<<"The word was found "<<st.count(str)<<" no. of times"<<endl; | |
| 51 | else | |
| 52 | cout<<"The word was not found"<<endl; | |
| 53 | return 0; | |
| 54 | ||
| 55 | } |