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李善辉2302580075 #66

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lishanghui11 opened this issue Mar 12, 2024 · 0 comments
Open

李善辉2302580075 #66

lishanghui11 opened this issue Mar 12, 2024 · 0 comments

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@lishanghui11
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#include <stdio.h>

struct student{
int id;
float score;
} stu[100],stutemp;

int main()
{
int num;
scanf("%d",&num);
for(int i=0;i<num; i++)
scanf("%d %f",&stu[i].id,&stu[i].score);
for(int i=0;i<num-1;i++)
{
for(int j=0;j<num-1-i;j++)
{
if(stu[i].score<stu[i+1].score)
{
stutemp=stu[i];
stu[i]=stu[i+1];
stu[1+i]=stutemp;
}
}
}
for(int i=0;i<num;i++)
printf("%d %f\n",stu[i].id,stu[i].score);
float sum=0;
int count=0;
for (int i=0;i<num;i++) {
sum+=stu[i].score;
if (stu[i].score<60) {
count++;
}
}
float average=sum/num;

printf("平均成绩:%.2f\n", average);
printf("不及格学生人数:%d\n", count);

return 0;

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