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.
112 lines
2.5 KiB
112 lines
2.5 KiB
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
struct Data
|
|
{
|
|
int ID;
|
|
int Class;
|
|
float score1;
|
|
float score2;
|
|
float score3;
|
|
char name[101];
|
|
} stu[1001];
|
|
int stl = 0;
|
|
struct Data* stuflag = 0;
|
|
|
|
float total(struct Data* a) {
|
|
return a->score1 + a->score2 + a->score3;
|
|
}
|
|
|
|
void swap(struct Data* a, struct Data* b) {
|
|
struct Data t = *a;
|
|
*a = *b;
|
|
*b = t;
|
|
|
|
if (a == stuflag) stuflag = b;
|
|
else
|
|
if (b == stuflag) stuflag = a;
|
|
}
|
|
|
|
void Sort() {
|
|
int i, j;
|
|
for(i = 0; i < stl-1; i++) {
|
|
for (j = 0; j < stl-i-1; j++) {
|
|
if (stu[j].Class < stu[j+1].Class) continue;
|
|
if (stu[j].Class > stu[j+1].Class ||
|
|
total(&stu[j]) < total(&stu[j+1])) swap(&stu[j], &stu[j+1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void input1() {
|
|
scanf("%d", &stu[stl].ID);
|
|
scanf("%f", &stu[stl].score1);
|
|
scanf("%f", &stu[stl].score2);
|
|
scanf("%f", &stu[stl].score3);
|
|
stl++;
|
|
}
|
|
|
|
|
|
void Input() {
|
|
printf("Please input info of three students:\n");
|
|
input1();input1();input1();
|
|
if (total(&stu[stl-3]) < total(&stu[stl-2])) swap(&stu[stl-3], &stu[stl-2]);
|
|
if (total(&stu[stl-2]) < total(&stu[stl-1])) swap(&stu[stl-2], &stu[stl-1]);
|
|
if (total(&stu[stl-3]) < total(&stu[stl-2])) swap(&stu[stl-3], &stu[stl-2]);
|
|
printf("%d,%.1f,%.1f\n", stu[stl-3].ID, total(&stu[stl-3]), total(&stu[stl-3])/3.0f);
|
|
printf("%d,%.1f,%.1f\n", stu[stl-2].ID, total(&stu[stl-2]), total(&stu[stl-2])/3.0f);
|
|
printf("%d,%.1f,%.1f\n", stu[stl-1].ID, total(&stu[stl-1]), total(&stu[stl-1])/3.0f);
|
|
}
|
|
|
|
void print1(struct Data* a) {
|
|
printf("%d %d %s %2.1f %2.1f %2.1f", a->ID, a->Class, a->name,
|
|
a->score1, a->score2, a->score3);
|
|
if (a == stuflag) printf(" inserted");
|
|
printf("\n");
|
|
}
|
|
|
|
void Remove(struct Data* r) {
|
|
for(; r+1 < stu+stl; r++) {
|
|
*r = *(r+1);
|
|
}
|
|
stl--;
|
|
}
|
|
|
|
void Delete() {
|
|
stu[0] = (struct Data){10001, 11, 99.5, 88.5, 89.5, "Zhang"};
|
|
stu[1] = (struct Data){10002, 12, 77.9, 56.5, 87.5, "Yang"};
|
|
stu[2] = (struct Data){10003, 11, 92.5, 89.0, 60.5, "Liang"};
|
|
stl = 3;
|
|
|
|
int ID = -1; char name[101];
|
|
scanf("%s", name);
|
|
getchar();
|
|
int NumFlag = 1, i;
|
|
for(i = 0; name[i]!='\0'; i++)
|
|
if (name[i] < '0' || name[i] > '9') {
|
|
NumFlag = 0; break;
|
|
}
|
|
if (NumFlag) {
|
|
sscanf(name, "%d", &ID);
|
|
name[0] = '\0';
|
|
}
|
|
|
|
printf("Are you sure(yes/no)?\n");
|
|
char t;
|
|
scanf("%c", &t);
|
|
if (t == 'y') {
|
|
for(i=0; i<stl; i++) {
|
|
if(stu[i].ID == ID || name[0]!='\0' && strcmp(stu[i].name, name) == 0) {
|
|
Remove(stu + i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
for (i=0; i<stl; i++) {
|
|
print1(stu + i);
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
Delete();
|
|
} |