РУКОВОДСТВО ПО СТАНДАРТНОЙ БИБЛИОТЕКЕ ШАБЛОНОВ (STL)

Менг Ли

parsrtc1.cpp

#include ‹stl.h›

#include ‹stdlib.h›

#include ‹iostream.h›

int main {

 vector‹int› v1(10);

 for (int i = 0; i ‹ v1.size; i++) v1[i] = rand % 10;

 vector‹int› result(5);

 ostream_iterator‹int› iter(cout, " ");

 copy(v1.begin, v1.end, iter);

 cout ‹‹ endl;

 partial_sort_copy(v1.begin, v1.end, result.begin, result.end);

 copy(result.begin, result.end, iter);

 cout ‹‹ endl;

 return 0;

}

equal1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int main {

 vector‹int› v1(10);

 for (int i = 0; i ‹ v1.size; i++) v1[i] = i;

 vector‹int› v2(10);

 if (equal(v1.begin, v1.end, v2.begin)) cout ‹‹ "v1 is equal to v2" ‹‹ endl;

 else cout ‹‹ "v1 is not equal to v2" ‹‹ endl;

 copy(v1.begin, v1.end, v2.begin);

 if (equal(v1.begin, v1.end, v2.begin)) cout ‹‹ "v1 is equal to v2" ‹‹ endl;

 else cout ‹‹ "v1 is not equal to v2" ‹‹ endl;

 return 0;

}

equal0.cpp

#include ‹stl.h›

#include ‹iostream.h›

int numbers1[5] = {1, 2, 3, 4, 5};

int numbers2[5] = {1, 2, 4, 8, 16};

int numbers3[2] = {1, 2};

int main {

 if (equal(numbers1, numbers1 + 5, numbers2))

cout ‹‹ "numbers1 is equal to numbers2" ‹‹ endl;

 else cout ‹‹ "numbers1 is not equal to numbers2" ‹‹ endl;

 if (equal(numbers3, numbers3 + 2, numbers1))

cout ‹‹ "numbers3 is equal to numbers1" ‹‹ endl;

 else cout ‹‹ "numbers3 is not equal to numbers1" ‹‹ endl;

 return 0;

}

genern2.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹stdlib.h›

class Fibonacci {

public:

 Fibonacci: v1(0), v2(1) {}

 int operator ;

private:

 int v1;

 int v2;

};

int Fibonacci::operator {

 int r = v1 + v2;

 v1 = v2;

 v2 = r;

 return v1;

}

int main {

 vector‹int› v1(10);

 Fibonacci generator;

 generate_n(v1.begin, v1.size, generator);

 ostream_iterator‹int› iter(cout, " ");

 copy(v1.begin, v1.end, iter);

 cout ‹‹ endl;

 return 0;

}

gener2.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹stdlib.h›

class Fibonacci {

public:

 Fibonacci: v1(0), v2(1) {}

 int operator ;

 private:

 int v1;

 int v2;

};

int Fibonacci::operator {

 int r = v1 + v2;

 v1 = v2;

 v2 = r;

 return v1;

}

int main {

 vector‹int› v1(10);

 Fibonacci generator;

 generate(v1.begin, v1.end, generator);

 ostream_iterator‹int› iter(cout, " ");

 copy(v1.begin, v1.end, iter);

 cout ‹‹ endl;

 return 0;

}

repcpif1.cpp

#include ‹stl.h›

#include ‹iostream.h›

bool odd(int a_) {

 return a_ % 2;

}

int main {

 vector‹int› v1(10);

 for (int i = 0; i ‹ v1.size; i++) v1[i] = i % 5;

 ostream_iterator‹int› iter(cout, " ");

 copy(v1.begin, v1.end, iter);

 cout ‹‹ endl;

 vector‹int› v2(v1.size);

 replace_copy_if(v1.begin, v1.end, v2.begin, odd, 42);

 copy(v1.begin, v1.end, iter);