Руководство по стандартной библиотеке шаблонов (STL)

 return 0;

}

rawiter.cpp

#include ‹iostream.h›

#include ‹stl.h›

class X {

public:

 X(int i_ = 0): i (i_) {}

 operator int() const {return i;}

private:

 int i;

};

int main() {

 os_heap_allocator‹X› a;

 // Allocate (but do not construct) storage for 5 elements.

  os_heap_allocator‹X›::pointer p = a.allocate(5);

 raw_storage_iterator‹X*, X› r(p);

 for (int i = 0; i ‹ 5; i++) *r++ = X(i);

 for (i = 0; i ‹ 5; i++) cout ‹‹ *p++ ‹‹ endl;

 return 0;

}

set2.cpp

#include ‹iostream.h›

#include ‹stl.h›

int main() {

 set‹int, less‹int› › s;

 pair‹set‹int, less‹int› ›::const_iterator, bool› p;

 p = s.insert(42);

 if (p.second) cout ‹‹ "Inserted new element " ‹‹ *(p.first) ‹‹ endl;

 else cout ‹‹ "Existing element = " ‹‹ *(p.first) ‹‹ endl;

 p = s.insert(42);

 if (p.second) cout ‹‹ "Inserted new element " ‹‹ *(p.first) ‹‹ endl;

 else cout ‹‹ "Existing element = " ‹‹ *(p.first) ‹‹ endl;

 return 0;

}

mset3.cpp

#include ‹iostream.h›

#include ‹stl.h›

int array[] = {3, 6, 1, 2, 3, 2, 6, 7, 9};

int main() {

 multiset‹int, less‹int› › s(array, array + 9);

 multiset‹int, less‹int› ›::iterator i;

 // Return location of first element that is not less than 3

 i = s.lower_bound(3);

 cout ‹‹ "lower bound = " ‹‹ *i ‹‹ endl;

 // Return location of first element that is greater than 3

 i = s.upper_bound(3);

 cout ‹‹ "upper bound = " ‹‹ *i ‹‹ endl;

 return 0;

}

binsrch2.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

bool str_compare(const char* a_, const char* b_) {

 return ::strcmp(a_, b_) ‹  0 ? 1 : 0;

}

char* labels[] = {"aa", "dd", "ff", "jj", "ss", "zz"};

int main() {

 const unsigned count = sizeof(labels) / sizeof(labels[0]);

 if (binary_search(labels, labels + count, "ff", str_compare)) cout ‹‹ "ff is in labels." ‹‹ endl;

 else cout ‹‹ "ff is not in labels." ‹‹ endl;

 return 0;

}

nthelem2.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;

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

 copy(v1.begin(), v1.end(), iter);

 cout ‹‹ endl;

 nth_element(v1.begin(), v1.begin() + v1.size() / 2, v1.end(), greater‹int›());

 copy(v1.begin(), v1.end(), iter);

 cout ‹‹ endl;

 return 0;

}

setintr1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int main() {

 vector‹int› v1(10);

 iota(v1.begin(), v1.end(), 0);

 vector‹int› v2(10);

 iota(v2.begin(), v2.end(), 7);

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

 cout ‹‹ "v1: ";

 copy(v1.begin(), v1.end(), iter);

 cout ‹‹ "\nv2: ";

 copy(v2.begin(), v2.end(), iter);

 cout ‹‹ endl;

 set_intersection(v1.begin(), v1.end(), v2.begin(), v2.end(), iter);

 cout ‹‹ endl;

 return 0;

}

setdiff1.cpp