38 lines
968 B
C
38 lines
968 B
C
#include <stdio.h>
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struct student {
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int id;
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float x, y, z;
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float sum;
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} stu[3];
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void swap(struct student* a, struct student* b) {
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struct student c;
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c = *a;
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*a = *b;
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*b = c;
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}
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void sort() {
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for (int i = 0; i < 3; i++) {
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for (int j = 0; j < 3 - i - 1; j++) {
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if (stu[j].sum < stu[j + 1].sum) {
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swap(&stu[j], &stu[j + 1]);
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}
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}
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}
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}
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int main() {
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scanf("%d,%f,%f,%f", &stu[0].id, &stu[0].x, &stu[0].y, &stu[0].z);
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scanf("%d,%f,%f,%f", &stu[1].id, &stu[1].x, &stu[1].y, &stu[1].z);
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scanf("%d,%f,%f,%f", &stu[2].id, &stu[2].x, &stu[2].y, &stu[2].z);
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stu[0].sum = stu[0].x + stu[0].y + stu[0].z;
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stu[1].sum = stu[1].x + stu[1].y + stu[1].z;
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stu[2].sum = stu[2].x + stu[2].y + stu[2].z;
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sort();
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printf("%d,%.1f\n", stu[0].id, stu[0].sum);
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printf("%d,%.1f\n", stu[1].id, stu[1].sum);
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printf("%d,%.1f\n", stu[2].id, stu[2].sum);
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return 0;
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} |