#include?
#include
#define?MAX?50
main（）
{
???int?istudentNum;
???int?Chinese[MAX]Math[MAX]English[MAX];
???int?studentID[MAX];
???float?average[MAX]classAverage;
???bool?STATE=false;

???while（1）
???{
?????
?????printf（“How?many?students?are?in?your?class?“）;
?????scanf（“%d“&studentNum）;
?????if（studentNum<1||studentNum>MAX）
?????{
???????printf（“The?studentNum?must?be?between?1?and?%dpress?any?key?to?continue“MAX）;
???????getch（）;
?????}
?????else
?????{
?????break;
?????}


???}


???printf（“Please?input?a?StudentID?and?three?scores:\n“）;
???printf（“?????studentID??Chinese??Math??English\n“）;
?????for（i=0;i?????{
?????do
?????{

???????printf（“NO.%d>“i+1）;
???????scanf（“%d%d%d%d“&studentID[i]&Chinese[i]&Math[i]&English[i]）;
	???fflush（stdin）;//截斷多輸入的數字
???????if（studentID[i]<0）
???????{
?????????printf（“studentID?must?be?greater?than?0\n“）;
?????????STATE=true;
???????}
???????else?if（!（0<=Chinese[i]&&Chin