#include <stdio.h>

#include<stdlib.h>

typedef struct su {

char bun[10];

char name[10];

int kor, eng, math, total;

double avg;

}SU;

int main(void) {

int i = 0, n, m, count;

SU people[100], temp;

SU total1 = { "","",0,0,0,0,0 };

printf("성적 처리할 학생들 수 ");

scanf("%d", &count);

for (i = 0; i < count; i++) {

printf("%d번째 학생의 학번을 입력하세요", i + 1);

scanf("%s", people[i].bun);

printf("%d번째 학생의 이름을 입력하세요", i + 1);

scanf("%s", people[i].name);

printf("%d번째 학생의 국어점수을 입력하세요", i + 1);

scanf("%d", people[i].kor);

printf("%d번째 학생의 영어점수을 입력하세요", i + 1);

scanf("%d", people[i].eng);

printf("%d번째 학생의 수학점수을 입력하세요", i + 1);

scanf("%d", people[i].math);

people[i].total = people[i].eng + people[i].kor + people[i].math;

people[i].avg = people[i].total / 3;

total1.kor = total1.kor + people[i].kor;

total1.eng = total1.eng + people[i].eng;

total1.math = total1.math + people[i].math;

total1.total = total1.total + people[i].total;

total1.avg = total1.avg + people[i].avg;

}

for (n = 0; n < count - 1; n++) {

for (m = n + 1; m < count; m++) {

if (people[n].total < people[m].total) {

temp = people[n];

people[n] = people[m];

people[m] = temp;

}

}

}

 

printf("학번 \t 이름   국어  영어 수학 총점 평균\n");

for (i = 0; i < count; i++)

{

printf("%12s %12s %7d %7d %7d %7d %7.2f\n", people[i].bun, people[i].name, people[i].eng, people[i].kor, people[i].math, people[i].total, people[i].eng);

}

printf("%12s %12s %7d %7d %7d %7d %7.2f\n", total1.bun, total1.name, total1.eng, total1.kor, total1.math, total1.total, total1.eng);

printf("%12s %12s %7.2f %7.2f %7.2f %7.2f %7.2f\n", total1.bun, total1.name, total1.eng/(double)count, total1.kor / (double)count, total1.math / (double)count, total1.total / (double)count, total1.avg / (double)count);

return 0;

}