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155 lines
2.5 KiB

#include <stdio.h>
#include <string.h>>
int j=0,q=-1;
char e;
struct stu
{
int id;
int sclass;
char name[10];
float gs;
float dw;
float yy;
}st[100];
void input()
{
printf("id ");
printf("class ");
printf("name ");
printf("score1 ");
printf("score2 ");
printf("score3\n");
scanf("%d %d %s %f %f %f",&st[j].id,&st[j].sclass,&st[j].name,&st[j].gs,&st[j].dw,&st[j].yy);
printf("continue?\n");
scanf("%*[^\n]");
scanf("%*c");
scanf("%c",&e);
j++;
if(e=='n'||e=='N')
{
return;
}
else if(e=='y'||e=='Y')
{
input();
}
}
void cdelete()
{
int i,f,m=5,n;
char mm,s[10];
printf("Are you sure\n");
scanf("%*[^\n]");
scanf("%*c");
scanf("%c\n",&mm);
if(mm=='n'||mm=='N')
{
output();
}
if(mm=='y'||mm=='Y')
{
gets(s);
for(f=0;f<j;f++)
{
if(strcmp(s,st[f].name)==0||strcmp(s,st[f].id)==0)
{
m=f;
for(m;m<=j;m++)
{
st[m]=st[m+1];
}
j--;
}
}
output();
}
}
void select()
{
int d,l;
printf("ÊäÈëѧºÅ»ò°à¼¶");
scanf("%d",&d);
for(l=0;l<j;l++)
{
if(d==st[l].id||d==st[l].sclass)
{
printf("%d %d %s %.1f %.1f %.1f\n",st[l].id,st[l].sclass,st[l].name,st[l].gs,st[l].dw,st[l].yy);
}
}
}
void inorder()
{
int i;
q++;
for(i=q+1;i<j;i++)
{
if(st[q].sclass>st[i].sclass)
{
struct stu temp;
temp=st[i];
st[i]=st[q];
st[q]=temp;
}
}
if(q==j-1)
{
q=-1;
return;
}
inorder();
}
void corder()
{
float a,b;
int i;
q++;
for(i=q+1;i<j;i++)
{
a=st[i].dw+st[i].gs+st[i].yy;
b=st[q].dw+st[q].gs+st[q].yy;
if(a>b&&st[i].sclass==st[q].sclass)
{
struct stu temp;
temp=st[i];
st[i]=st[q];
st[q]=temp;
}
}
if(q==j)
{
q=-1;
return;
}
else corder();
}
void order()
{
inorder();
corder();
}
void output()
{
int l=0;
for(l=0;l<j;l++)
{
printf("%d %d %s %.1f %.1f %.1f\n",st[l].id,st[l].sclass,st[l].name,st[l].gs,st[l].dw,st[l].yy);
}
}
int main( )
{
int a;
mn:
printf("1.Input\n2.Delete\n3.Select\n4.Order\n5.Output\n6.Quit\nplease input your option\n");
scanf("%d",&a);
switch(a)
{
case 1:input();break;
case 2:cdelete();break;
case 3:select();break;
case 4:order();break;
case 5:output();break;
case 6:return 0;
}
goto mn;
}