60 lines
966 B
C++
60 lines
966 B
C++
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// 谓词
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// gt 大于， ge 大于等于
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// lt 小于， le 小于等于
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// eq 等于， ne 小于等于
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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class GTFive // 一元谓词
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{
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public:
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bool operator()(int n)
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{
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return n > 5;
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}
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};
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class GT // 二元谓词
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{
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public:
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bool operator()(const int &n1, const int &n2)
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{
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return n1 > n2;
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}
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};
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void printGTF(GTFive gtf, int *p, int size)
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{
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for (int i = 0; i < size; i++)
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{
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if (gtf(p[i]))
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cout << p[i] << " ";
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}
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cout << endl;
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}
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void print(int *p, int size, GT gt, int n)
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{
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for (int i = 0; i < size; i++)
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{
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if (gt(p[i], n))
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cout << p[i] << " ";
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}
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cout << endl;
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}
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int main()
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{
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int ms[] = {1, 2, 4, 7, 9, 20};
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cout << "大于 5 的元素" << endl;
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printGTF(GTFive(), ms, 6);
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cout << "大于 7 的元素" << endl;
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print(ms, 6, GT(), 7);
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return 0;
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}
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