有N个学生 学号 姓名 性别 四门课成绩 键盘上输入信息 输出总平均分成绩最高

#include<stdio.h>#define N 2struct student{int num;char sex[5];char name[10];float grade[4];float average;}s[N];void input(struct student s[]){int i, j;for (i = 0; i < N; i++){printf("请开始输入第%d个同学的信息:",i+1);scanf("%d%s%s", &s[i].num, s[i].sex, s[i].name);for (j = 0; j < 4; j++){scanf("%f", &s[i].grade[j]);}}}void output(struct student s[]){int i, j;printf("学生信息:\n");printf("学号\t性别\t姓名\t四门成绩\t\t平均成绩\t");printf("\n");for (i = 0; i < N; i++){printf("%d\t%s\t%s\t", s[i].num, s[i].sex, s[i].name);for (j = 0; j < 4; j++){printf("%.2lf ", s[i].grade[j]);}printf("%.2lf", s[i].average);printf("\n");}}void average(struct student s[]){int i, j;float sum;for (i = 0; i < N; i++){sum = 0.0;for (j = 0; j < 4; j++){sum += s[i].grade[j];}s[i].average = sum / 4;}}void function(struct student s[]){//比较平均成绩int index = 0;int i = 0;int j = 0;float max = s[0].average;for (i = 0; i < N; i++){if (s[i].average > max){max = s[i].average;index = i;}}//输出成绩最高信息printf("平均成绩最高的学生信息:\n");printf("学号\t性别\t姓名\t四门成绩\t\t平均成绩\t\n");printf("%d\t%s\t%s\t", s[index].num, s[index].sex, s[index].name);for (j = 0; j < 4; j++){printf("%.2lf ", s[index].grade[j]);}printf(" %.2lf", s[index].average);}int main(){input(s);average(s);output(s);function(s);return 0;}