按分数从高到低将学生信息排序

[c]代码库

#include <stdio.h>
#define N 3
struct student {
  char name[20];
  long num;
  float score;
};
void sort(struct student stu[]) {
  struct student t;
  int i, j;
  for (i = 0; i < N - 1; i++) {
    for (j = N - 1; j > i; j--)
      if (stu[j].score > stu[j - 1].score) {
        t = stu[j];
        stu[j] = stu[j - 1];
        stu[j - 1] = t;
      }
  }
}
int main() {
  struct student stu[N], *p = stu;
  int i;
  printf("请输入姓名,学号,分数:\n");
  for (i = 0; i < N; i++)
    scanf("%s%ld%f", stu[i].name, &stu[i].num, &stu[i].score);
  sort(p);
  printf("按照分数从高到底如下:\n姓名\t学号\t分数\n");
  for (i = 0; i < N; i++)
    printf("%-8s%-8ld%-8f\n", stu[i].name, stu[i].num, stu[i].score);
  return 0;
}