setunon2.cpp
#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;
}
unique2.cpp
#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;
}
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;