#include <stdio.h>
int main(int argc, char *argv[])
{
int count,i,sum=0,avg;
int score[20];
int count_A=0,count_B=0,count_C=0,count_D=0,count_E=0;
printf("你要输入几个学生的成绩:");
scanf("%d",&count);
printf("请输入%d个学生的成绩\n",count);
for(i=0;i<count;i++){
scanf("%d",&score[i]);
}
for(i=0;i<count;i++){
sum+=score[i];
}
avg=sum/count;
for(i=0;i<count;i++){
if(score[i]<=100&score[i]>=90) count_A++;
else if(score[i]<90&score[i]>=80) count_B++;
else if(score[i]<80&score[i]>=70) count_C++;
else if(score[i]<70&score[i]>=60) count_D++;
else if(score[i]<600&score[i]>=0) count_E++;
else {}
}
printf("A等的成绩个数有:%d个\n",count_A);
printf("B等的成绩个数有:%d个\n",count_B);
printf("C等的成绩个数有:%d个\n",count_C);
printf("D等的成绩个数有:%d个\n",count_D);
printf("E等的成绩个数有:%d个\n",count_E);
getch();
}
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