c语言编程:本题要求编写程序,计算学生们的平均成绩,并统计不及格(成绩...答:*argv[]){int s,m,n,l;printf("Please enter data(int >=0, <0 end)...\n");for(l=s=m=0,n=1;m>=0;n++){scanf("%d",&m);if(m<60 && m>=0)l++;else if(m<0)break;s+=m;}printf("Average = %.2f\nCount = %d\n",s/(n-0.0),l);return 0;}运行样例: