cpp-work/pure-c-test/20220428/test-4-9.c

#include <stdio.h>
#include <cstring>

struct Student {
    char name[16];
    int score;
};

void sort(Student *students, int count);
void copy(Student *target, Student *source);

int main() {
    int studentNumber = 0;
    scanf("%d", &studentNumber);

    Student students[studentNumber];
    for (int i = 0; i < studentNumber; ++i) {
        scanf("%s %d", students[i].name, &students[i].score);
    }

    sort(students, studentNumber);

    for (Student student : students) {
        printf("%s %d\n", student.name, student.score);
    }
}

void sort(Student *students, int count) {
    Student temp{};

    for (int i = 0; i < count - 1; ++i) {
        for (int j = 0; j < count - 1 - i; ++j) {
            if (students[j].score < students[j + 1].score) {
                copy(&temp, &students[j + 1]);
                copy(&students[j + 1], &students[j]);
                copy(&students[j], &temp);
            }
        }
    }
}

void copy(Student *target, Student *source) {
    strcpy(target->name, source->name);
    target->score = source->score;
}