标题:怎么能让我的input(),seek(),calculate(),output(),sort()函 ...
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怎么能让我的input(),seek(),calculate(),output(),sort()函数全用指针来实现,而且是用指针访问一维数组
#include <stdio.h>
#include <conio.h>
#include <string.h>
struct student {
  long num;
  char name[20];
  char sex[2];
  int age;
  struct Grade {
    int Math;
    int Computer;
    int Physics;
    int English;
  } gra;
  int total;
  float average;
};
void calculate(struct student stu[], int n);
void input(struct student stu[], int n);
void output(struct student stu[], int n);
void seek(struct student stu[], int n);
void sort(struct student stu[], int n);
int main() {
  struct student stu[5];
  input(stu, 5);
  calculate(stu, 5);
  output(stu, 5);
  sort(stu, 5);
  printf("排序后:\n");
  output(stu, 5);
  seek(stu, 5);
} void seek(struct student stu[], int n) {
  char name[20];
  int i;
  printf("\n请输入查找的同学的姓名:\n");
  scanf("%s", name);
  for (i = 0; i < n; i++) {
    if (strcmp(name, stu[i].name) == 0) {
      printf("学号:%d\n", stu[i].num);
      printf("姓名:%s\n", stu[i].name);
      printf("性别:%s\n", stu[i].sex);
      printf("年龄:%d\n", stu[i].age);
      printf("高数成绩:%d\n", stu[i].gra.Math);
      printf("计算机成绩:%d\n", stu[i].);
      printf("物理成绩:%d\n", stu[i].gra.Physics);
      printf("英语成绩:%d\n", stu[i].gra.English);
      printf("总成绩:%d\n", stu[i].total);
      printf("平均成绩:%f\n", stu[i].average);
      break;
    }
  }
  if (i == n) {
    printf("No find\n");
  }
}
void sort(struct student stu[], int n) {
  struct student s = { 0 };
  int i, j;
  for (i = 0; i < n - 1; i++) {
    for (j = 0; j < n - 1; j++) {
      if (stu[j].total < stu[j + 1].total) {
        memcpy(&s, &stu[j], sizeof(struct student));
        memcpy(&stu[j], &stu[j + 1], sizeof(struct student));
        memcpy(&stu[j + 1], &s, sizeof(struct student));
      }
}}} void input(struct student stu[], int n) {
  int i;
  for (i = 0; i < n; i++) {
    printf("\n请输入第%d个同学的学号:\n", i + 1);
    scanf("%d", &stu[i].num);
    printf("\n请输入第%d个同学的姓名:\n", i + 1);
    scanf("%s", stu[i].name);
    printf("\n请输入第%d个同学的性别:\n", i + 1);
    scanf("%s", stu[i].sex);
    printf("\n请输入第%d个同学的年龄:\n", i + 1);
    scanf("%d", &stu[i].age);
    printf("\n请输入第%d个同学的高数成绩:\n", i + 1);
    scanf("%d", &stu[i].gra.Math);
    printf("\n请输入第%d个同学的计算机成绩:\n", i + 1);
    scanf("%d", &stu[i].);
    printf("\n请输入第%d个同学的物理成绩:\n", i + 1);
    scanf("%d", &stu[i].gra.Physics);
    printf("\n请输入第%d个同学的英语成绩:\n", i + 1);
    scanf("%d", &stu[i].gra.English);
  }
}
void calculate(struct student stu[], int n) {
  int i;
  for (i = 0; i < n; i++) {
    stu[i].total =
      stu[i].gra.Math + stu[i]. + stu[i].gra.Physics +
      stu[i].gra.English;
    stu[i].average = (float)stu[i].total / 4;
    printf("输出第%d个同学的总成绩:%d\n", i + 1, stu[i].total);
    printf("输出第%d个同学的平均成绩:%f\n", i + 1, stu[i].average);
}} void output(struct student stu[], int n) {
  int i;
  for (i = 0; i < n; i++) {
    printf("学号:%d\n", stu[i].num);
    printf("姓名:%s\n", stu[i].name);
    printf("性别:%s\n", stu[i].sex);
    printf("年龄:%d\n", stu[i].age);
    printf("高数成绩:%d\n", stu[i].gra.Math);
    printf("计算机成绩:%d\n", stu[i].);
    printf("物理成绩:%d\n", stu[i].gra.Physics);
    printf("英语成绩:%d\n", stu[i].gra.English);
    printf("总成绩:%d\n", stu[i].total);
    printf("平均成绩:%f\n", stu[i].average);
  }
}

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2018-04-11 12:34



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