C语言编程:出10位学生的成绩求出平均分为并输出高于平均分的同学成绩...答:double marks[] = {11,22,33,44,55,66,77,88,99,100};double sum = 0;int i = 0;printf("\n10个人的成绩分别是: ");for (; i < 10; i++){ printf("%.0f ",marks[i]);sum += marks[i];} printf("\n");printf("\n10个人的总成绩: %.2f\n",sum);double avg = ...
c语言。20个人,5门课程,计算每个人的平均成绩及每门课的平均成绩,输出...答:printf("%7s%6.1f%6.1f%6.1f%6.1f%6.1f%7.1f\n","平均分",a[i].cj[0]/20.0,a[i].cj[1]/20.0,a[i].cj[2]/20.0,a[i].cj[3]/20.0,a[i].cj[4]/20.0,a[i].zf/100.0);printf("不及格学生学号:");for(i=0;i<20;i++){k=0;for(j=0;j<5;j++)if...