81 lines
1.4 KiB
C++
81 lines
1.4 KiB
C++
/* 类模板特化之数组.cpp */
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#include <cstring>
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#include <iostream>
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using namespace std;
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#define MAXSIZE 5
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template <class T> class Array {
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public:
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Array() {
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for (int i = 0; i < MAXSIZE; i++) {
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array[i] = 0;
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}
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}
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T &operator[](int i);
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void Sort();
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private:
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T array[MAXSIZE];
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};
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template <class T> T &Array<T>::operator[](int i) {
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if (i < 0 || i > MAXSIZE - 1) {
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cout << "数组下标越界！" << endl;
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exit(0);
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}
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return array[i];
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}
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template <class T> void Array<T>::Sort() {
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int p, j;
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for (int i = 0; i < MAXSIZE - 1; i++) {
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p = i;
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for (j = i + 1; j < MAXSIZE; j++) {
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if (array[p] < array[j])
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p = j;
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}
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T t;
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t = array[i];
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array[i] = array[p];
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array[p] = t;
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}
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}
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template <> void Array<char *>::Sort() {
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int p, j;
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for (int i = 0; i < MAXSIZE - 1; i++) {
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p = i;
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for (j = i + 1; j < MAXSIZE; j++) {
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if (strcmp(array[p], array[j]) < 0)
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p = j;
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}
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char *t = array[i];
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array[i] = array[p];
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array[p] = t;
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}
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}
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int main(int argc, char const *argv[]) {
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Array<int> a1;
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Array<char *> b1;
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a1[0] = 1;
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a1[1] = 23;
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a1[2] = 6;
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a1[3] = 3;
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a1[4] = 9;
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a1.Sort();
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for (int i = 0; i < 5; i++)
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cout << a1[i] << "\t";
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cout << endl;
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b1[0] = "x1";
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b1[1] = "ya";
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b1[2] = "ad";
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b1[3] = "be";
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b1[4] = "bc";
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b1.Sort();
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for (int i = 0; i < 5; i++)
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cout << b1[i] << "\t";
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cout << endl;
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return 0;
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}
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