Руководство по стандартной библиотеке шаблонов STL


Search2


#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* grades[] = { "A", "B", "C", "D", "F" }; char* letters[] = { "Q", "E", "D" };

int main () { const unsigned gradeCount = sizeof (grades) / sizeof (grades[0]); const unsigned letterCount = sizeof (letters) / sizeof (letters[0]); ostream_iterator <char*> iter (cout, " "); cout << "grades: "; copy (grades, grades + gradeCount, iter); cout << "\nletters:"; copy (letters, letters + letterCount, iter); cout << endl;

char** location = search (grades, grades + gradeCount, letters, letters + letterCount, str_equal);

if (location == grades + gradeCount) cout << "letters not found in grades" << endl; else cout << "letters found in grades at offset: " << location - grades << endl;

copy (grades + 1, grades + 1 + letterCount, letters);

cout << "grades: "; copy (grades, grades + gradeCount, iter); cout << "\nletters:"; copy (letters, letters + letterCount, iter); cout << endl;

location = search (grades, grades + gradeCount, letters, letters + letterCount, str_equal);

if (location == grades + gradeCount) cout << "letters not found in grades" << endl; else cout << "letters found in grades at offset: " << location - grades << endl; return 0; }




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