C语言结构体排序方法

来源：互联网发布：上海数据分析培训编辑：程序博客网时间：2024/06/15 11:33
#include "stdafx.h"#include<iostream>#include<string>#include<algorithm>using namespace std;struct student{string name;//姓名int math;//数学成绩int english;//英语};int c =0;//控制排序规则bool compare(student a, student b){if (c == 0)//按照姓名递增排序{return (a.name<=b.name);}else if (c == 1)//按照数学成绩递增排序{return (a.math <= b.math);}else//按照英语成绩递增排序{return (a.english <= b.english);}}int _tmain(int argc, _TCHAR* argv[]){student array[3];array[0].name = "John";array[0].math = 86;array[0].english = 91;array[1].name = "Michelle";array[1].math = 85;array[1].english =95;array[2].name = "Kim";array[2].math = 89;array[2].english = 60;cout << "原始顺序：" << endl;for (int i = 0; i <3; i++)cout << array[i].name << ' ' << array[i].math << ' ' << array[i].english << endl;cout << "按姓名递增排序：" << endl;c =0;sort(array,array+3,compare);for (int i = 0; i <3;i++)cout << array[i].name << ' ' << array[i].math << ' ' << array[i].english << endl;cout << "按数学成绩递增排序：" << endl;c =1;sort(array, array + 3, compare);for (int i = 0; i <3; i++)cout << array[i].name << ' ' << array[i].math << ' ' << array[i].english << endl;system("pause");return 0;}
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