You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.1 KiB
80 lines
2.1 KiB
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define N 3
|
|
|
|
struct student {
|
|
int id;
|
|
float math, physics, english, total, average;
|
|
};
|
|
|
|
void input(struct student stu[]) {
|
|
int i;
|
|
printf("Please input info of the three students:\n");
|
|
for (i = 0; i < N; i++) {
|
|
scanf("%d%f%f%f", &stu[i].id, &stu[i].math, &stu[i].physics, &stu[i].english);
|
|
stu[i].total = stu[i].math + stu[i].physics + stu[i].english;
|
|
stu[i].average = stu[i].total / 3.0;
|
|
}
|
|
}
|
|
|
|
void output(struct student stu[]) {
|
|
int i;
|
|
printf("Output student info:\n");
|
|
for (i = 0; i < N; i++) {
|
|
printf("Student %d,%.1f,%.1f,%.1f,%.1f\n", stu[i].id, stu[i].math, stu[i].physics, stu[i].english, stu[i].total);
|
|
}
|
|
}
|
|
|
|
void order(struct student stu[]) {
|
|
int i, j;
|
|
struct student temp;
|
|
for (i = 0; i < N - 1; i++) {
|
|
for (j = 0; j < N - 1 - i; j++) {
|
|
if (stu[j].total > stu[j + 1].total) {
|
|
temp = stu[j];
|
|
stu[j] = stu[j + 1];
|
|
stu[j + 1] = temp;
|
|
}
|
|
}
|
|
}
|
|
for (i = 0; i < N; i++) {
|
|
printf("Student %d,%.1f,%.1f,%.1f,%.1f,%.1f\n", stu[i].id, stu[i].total, stu[i].average);
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
struct student stu[N];
|
|
char choice;
|
|
while (1) {
|
|
printf(" 1. Input\n");
|
|
printf(" 2. Output\n");
|
|
printf(" 3. Order\n");
|
|
printf(" 4. Quit\n");
|
|
printf("Please choose the operation:\n");
|
|
|
|
// 读取用户输入并消耗换行符
|
|
scanf(" %c", &choice);
|
|
|
|
switch (choice) {
|
|
case 'i':
|
|
input(stu);
|
|
output(stu);
|
|
break;
|
|
case 'o':
|
|
output(stu);
|
|
break;
|
|
case 'r':
|
|
printf("You are trying to Make things ordered\n");
|
|
break;
|
|
case 'q':
|
|
printf("You are about to Quit\n");
|
|
exit(0);
|
|
default:
|
|
printf("Wrong input\n");
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|