Posted on 2007-06-28 21:44
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C語言學(xué)習(xí)歷程
求幾門課程的平均成績(jī)以及掛科的門數(shù)
#include <stdio.h>
int main(void)
{
int number,i,grade;
int gradeTotal=0;
int failureCount=0;
float average;
printf("How many grades will you be entering?");
scanf("%i",&number);
for(i=1;i<=number;i++)
{
printf("Enter grade #%i: ",i);
scanf("%i",&grade);
gradeTotal=gradeTotal+grade;
if(grade<65)
++failureCount;
}
average=(float)gradeTotal/number;
printf("\nGrade average = %.2f\n",average);//這是個(gè)格式化字符串，保留兩位有效數(shù)字
printf("Number of failures =%i\n",failureCount);
return 0;
}