РУКОВОДСТВО ПО СТАНДАРТНОЙ БИБЛИОТЕКЕ ШАБЛОНОВ (STL)

Менг Ли

 transform(input1, input1 + 4, input2, output, modulus‹int›);

 for (int i = 0; i ‹ 4; i++) cout ‹‹ output[i] ‹‹ endl;

 return 0;

}

uprbnd1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int main {

 int array[20];

 for (int i = 0; i ‹ 20; i++) {

array[i] = i/4;

cout ‹‹ array[i] ‹‹ ' ';

 }

 cout ‹‹ "\n3 can be inserted at index: "

‹‹ upper_bound(array, array + 20, 3) - array ‹‹ endl;

 return 0;

}

equalto.cpp

#include ‹iostream.h›

#include ‹stl.h›

int input1[4] = {1, 7, 2, 2};

int input2[4] = {1, 6, 2, 3};

int main {

 int output[4];

 transform(input1, input1 + 4, input2, output, equal_to‹int›);

 for (int i = 0; i ‹ 4; i++) cout ‹‹ output[i] ‹‹ endl;

 return 0;

}

count1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int main {

 vector‹int› numbers(100);

 for (int i = 0; i ‹ 100; i++) numbers[i] = i % 3;

 int elements = 0;

 count(numbers.begin, numbers.end, 2, elements);

 cout ‹‹ "Found " ‹‹ elements ‹‹ " 2's." ‹‹ endl;

 return 0;

}

uniqcpy1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int numbers[8] = {0, 1, 1, 2, 2, 2, 3, 4};

int result[8] = {0, 0, 0, 0, 0, 0, 0, 0};

int main {

 unique_copy(numbers, numbers + 8, result);

 for (int i = 0; i ‹ 8; i++) cout ‹‹ result[i] ‹‹ ' ';

 cout ‹‹ endl;

 return 0;

}

minus.cpp

#include ‹iostream.h›

#include ‹stl.h›

int input1[4] = {1, 5, 7, 8};

int input2[4] = {1, 4, 8, 3};

int main {

 int output[4];

 transform(input1, input1 + 4, input2, output, minus‹int›);

 for (int i = 0; i ‹ 4; i++) cout ‹‹ output[i] ‹‹ endl;

 return 0;

}

replcpy1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int numbers[6] = {0, 1, 2, 0, 1, 2};

int result[6] = {0, 0, 0, 0, 0, 0};

int main {

 replace_copy(numbers, numbers + 6, result, 2, 42);

 for (int i = 0; i ‹ 6; i++) cout ‹‹ result[i] ‹‹ ' ';

 cout ‹‹ endl;

 return 0;

}

swprnge1.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

int main {

 char* word1 = "World";

 char* word2 = "Hello";

 cout ‹‹ word1 ‹‹ " " ‹‹ word2 ‹‹ endl;

 swap_ranges(word1, word1 + ::strlen(word1), word2);

 cout ‹‹ word1 ‹‹ " " ‹‹ word2 ‹‹ endl;

 return 0;

}

vec8.cpp

#include ‹iostream.h›

#include ‹stl.h›

int main {

 vector‹int› v;

 cout ‹‹ "capacity = " ‹‹ v.capacity ‹‹ endl;

 v.push_back(42);

 cout ‹‹ "capacity = " ‹‹ v.capacity ‹‹ endl;

 v.reserve (5000);

 cout ‹‹ "capacity = " ‹‹ v.capacity ‹‹ endl;

 return 0;

}

plus.cpp

#include ‹iostream.h›

#include ‹stl.h›

int input1[4] = {1, 6, 11, 8};

int input2[4] = {1, 5, 2, 3};

int main {

 int total = inner_product(input1, input1 + 4, input2, 0, plus‹int›, times‹int›);

 cout ‹‹ "total = " ‹‹ total ‹‹ endl;

 return 0;

}

remcopy1.cpp

#include ‹stl.h›

#include ‹iostream.h›

int numbers[6] = {1, 2, 3, 1, 2, 3};

int result[6] = {0, 0, 0, 0, 0, 0};

int main {

 remove_copy(numbers, numbers + 6, result, 2);

 for (int i = 0; i ‹ 6; i++) cout ‹‹ result[i] ‹‹ ' ';

 cout ‹‹ endl;

 return 0;

}