全班 N 个学生，每个学生有学号、姓名、年龄，需要按照年龄进行排序.

系统管理员 2022-10-17 01:58 138阅读 0赞

#include <stdio.h>
    #include <math.h>
    #include <string.h>
    #define N 5
    
    typedef struct student {
      char num[10];
      char name[20];
      int age;
    }stud;
    
    void swap_student(struct student *a, struct student *b) {
    	stud tmp;
    	tmp = *a;
    	*a = *b;
    	*b = tmp;
    }
    
    void sort_soap(struct student list[], int len)
    {
        int i, j;
        for (j = 0; j < len-1; j++) {
            for (i = 0; i < len-j-1; i++) {
                if (list[i].age > list[i+1].age) {
    				//交换相邻的两个数
    				swap_student(&list[i], &list[i + 1]);
    			}
    		}
        }
    }
    
    void main(void)
    {
    	//初始化数据
    	int i;
    	stud list[N]={
    		{"2017001","张三",22},
    		{"2017002","李四",21},
    		{"2017003","王五",18},
    		{"2017004","赵六",19},
    		{"2017005","丁一",20},
    	};
    	
    	//排序
        sort_soap(list, N);
    
    	//打印
        for(i = 0; i < N; ++i) {
            printf("%s %s %d\n",list[i].num, 
    			list[i].name, list[i].age);
        }
    }