Александр Степанов - РУКОВОДСТВО ПО СТАНДАРТНОЙ БИБЛИОТЕКЕ ШАБЛОНОВ (STL)

cout ‹‹ "nis: " ‹‹ result ‹‹ endl;

return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

int main() {

 vector‹int› v1(5);

 vector‹int› v2(v1.size());

 iota(v1.begin(), v1.end(), 0);

 iota(v2.begin(), v2.end(), 3);

 vector‹int› result(v1.size() + v2.size());

 merge(v1.begin(), v1.end(), v2.begin(), v2.end(), result.begin());

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

 copy(v1.begin(), v1.end(), iter);

 cout ‹‹ endl;

 copy(v2.begin(), v2.end(), iter);

 cout ‹‹ endl;

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

 cout ‹‹ endl;

 return 0;

}

#include ‹iostream.h›

#include ‹stl.h›

struct odd: public unary_function‹int, bool› {

 odd() {}

 bool operator() (int n_) const  {return (n_ % 2) - 1;}

};

struct positive: public unary_function‹int, bool› {

 positive() {}

 bool operator() (int n_) const  {return n_ ›= 0;}

};

int array[6] = {-2, -1, 0, 1, 2, 3};

int main() {

 int* p = find_if(array, array + 6, compose2(logical_and‹bool›(), odd(), positive()));

 if (p != array + 6) cout ‹‹ *p ‹‹ " is odd and positive" ‹‹ endl;

 return 0;

}

#include ‹stl.h›

// Compile this code without defining OS_USE_EXCEPTIONS.

void my_handler(int code_, const char* str_) {

 cout ‹‹ "Caught " ‹‹ str_ ‹‹ "[code " ‹‹ code_ ‹‹ "]" ‹‹ endl;

}

int main() {

 os_handler_function_t old_h = os_set_error_handler(my_handler);

 vector‹int› v;

 v.pop_back(); // Generates an empty object error.

 cout ‹‹ "returned from pop_back()" ‹‹ endl;

 os_set_error_handler(old_h);

 v.pop_back(); // Generates an empty object error.

 cout ‹‹ "successful termination" ‹‹ endl;

 return 0;

}

#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] = {4, 8};

int main() {

 if (includes(numbers1, numbers1 + 5, numbers3, numbers3 + 2))

  cout ‹‹ "numbers1 includes numbers3" ‹‹ endl;

 else cout ‹‹ "numbers1 does not include numbers3" ‹‹ endl;

 if (includes(numbers2, numbers2 + 5, numbers3, numbers3 + 2))

  cout ‹‹ "numbers2 includes numbers3" ‹‹ endl;

 else cout ‹‹ "numbers2 does not include numbers3" ‹‹ endl;

 return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

char* word1 = "ABCDEFGHIJKLMNO";

char* word2 = "LMNOPQRSTUVWXYZ";

int main() {

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

 cout ‹‹ "word1: ";

 copy(word1, word1 + ::strlen(word1), iter);

 cout ‹‹ "nword2: ";

 copy(word2, word2 + ::strlen(word2), iter);

 cout ‹‹ endl;

 set_difference(word1, word1 + ::strlen(word1),  word2, word2 + ::strlen(word2), iter, less‹char›());

 cout ‹‹ endl;

 return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

char* word1 = "ABCDEFGHIJKLMNO";

char* word2 = "LMNOPQRSTUVWXYZ";

int main() {

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

 cout ‹‹ "word1: ";

 copy(word1, word1 + ::strlen(word1), iter);

 cout ‹‹ "nword2: ";

 copy(word2, word2 + ::strlen(word2), iter);

 cout ‹‹ endl;

 set_union(word1, word1 + ::strlen(word1),  word2, word2 + ::strlen(word2), iter, less‹char›());

 cout ‹‹ endl;

 return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

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

 return ::strcmp(a_, b_) == 0 ? 1: 0;

}

char* labels[] = {"Q","Q","W","W","E","E","R","T","T","Y","Y"};

int main() {

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

 ostream_iterator‹char*› iter(cout);

 copy(labels, labels + count, iter);

 cout ‹‹ endl;

 unique(labels, labels + count, str_equal);

 copy(labels, labels + count, iter);

 cout ‹‹ endl;

 return 0;

}

#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;

}

#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;

}

#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;

}

#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;

}

#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;

}

#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);

 cout ‹‹ endl;

 copy(v2.begin(), v2.end(), iter);

 cout ‹‹ endl;

 return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

int v1[3] = {13, 18, 23};

int v2[4] = {10, 13, 17, 23};

int result[4] = {0, 0, 0, 0};

int main() {

 set_symmetric_difference(v1, v1 + 3, v2, v2 + 4, result);

 for (int i = 0; i ‹ 4; i++) cout ‹‹ result[i] ‹‹ ' ';

 cout ‹‹ endl;

 return 0;

}

#include ‹iostream.h›

#include ‹stl.h›

int main() {

 deque‹int› d;

 d.push_back(4); // Add after end.

 d.push_back(9);

 d.push_back(16);

 d.push_front(1); // Insert at beginning.

 for (int i = 0; i ‹ d.size(); i++) cout ‹‹ "d[" ‹‹ i ‹‹ "] = " ‹‹ d[i] ‹‹ endl;

 cout ‹‹ endl;

 d.pop_front(); // Erase first element.

 d[2] = 25; // Replace last element.

 for (i = 0; i ‹ d.size(); i++)

 cout ‹‹ "d[" ‹‹ i ‹‹ "] = " ‹‹ d[i] ‹‹ endl;

 return 0;

}

#include ‹stl.h›

#include ‹iostream.h›

bool div_3(int a_) {

 return a_ % 3 ? 0 : 1;

}

int main() {

 typedef vector‹int› IntVec;

 IntVec v(10);

 for (int i = 0; i ‹ v.size(); i++) v[i] = (i + 1) * (i + 1);

 IntVec::iterator iter;

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