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Binary file modified example/01/persistence/persistence.cpp
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76 changes: 76 additions & 0 deletions exercise/01/containers.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
#include <vector>
#include <list>
#include "containers.h"
#include <set>
#include <map>
#include <locale>
#include <algorithm>

void remove_element(std::vector<int>& v, int index)
{
v.erase(v.begin() + index);
}


void input_element(std::vector<std::wstring>& v, int index, const std::wstring& value)
{
v.insert(v.begin() + index, value);
}

int list_nth_element(const std::list<int>& c, int index)
{
std::list<int>::const_iterator it = c.begin();
std::advance(it, index);
return *it;
}
void list_sort_desc(std::list<int>& c)
{
return c.sort(std::greater<int>());
}

int unique_numbers(std::wistream& is)
{
std::set<int> s;
int v;
while (is >> v)
{
s.insert(v);
}
return s.size();

}

word_frequency::word_frequency(std::wistream& is)
{
std::wstring word;
std::locale loc("");
while (is >> word)
{
std::transform(word.begin(), word.end(), word.begin(), ::towlower);
++_m[word];
//if (_m.find(word) == _m.end()) {
// // not found
// _m[word] = 1;
//}
//else {
// ++_m[word];
//}
}
};

int word_frequency::frequency(const std::wstring& s)
{
std::map<std::wstring, int>::const_iterator i = _m.find(s);

if (i == _m.end()) {
return 0;
}
else
{
return _m[s];
}
}
int word_frequency::count()
{
return _m.size();
}
4 changes: 4 additions & 0 deletions exercise/01/containers.h
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
#include <string>
#include <vector>
#include <list>
#include <map>

void remove_element(std::vector<int>& v, int index);
void input_element(std::vector<std::wstring>& v, int index, const std::wstring& value);
Expand All @@ -13,6 +14,9 @@ int unique_numbers(std::wistream&);

class word_frequency
{
private:
std::map<std::wstring, int> _m;

public:
word_frequency(std::wistream&);
int frequency(const std::wstring& s);
Expand Down
25 changes: 25 additions & 0 deletions exercise/01/e01.sln
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@

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192 changes: 96 additions & 96 deletions exercise/01/e01.vcxproj
Original file line number Diff line number Diff line change
@@ -1,97 +1,97 @@
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