问题描述：
#include int main(void) { int n,i,grade,A=0,B=0,C=0,D=0,E=0; printf("enter n:"); scanf("%d
#include
int main(void)
{
int n,i,grade,A=0,B=0,C=0,D=0,E=0;
printf("enter n:");
scanf("%d",&n);
for(i=0;i=90&&grade=80&&grade=70&&grade=60&&grade
#include
int main(void)
{
int n,i,grade,A=0,B=0,C=0,D=0,E=0;
printf("enter n:");
scanf("%d",&n);
for(i=0;i=90&&grade=80&&grade=70&&grade=60&&grade
问题解答：
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