#include<stdio.h>
struct node
{
    char name[21];
    int score;
};
int main()
{
    struct node a[100], t;
    int i, j, n;
    scanf_s("%d", &n);
    for (i = 1; i <= n; i++)
    {
        scanf_s("%s%d", a[i].name, &a[i].score);
    }
    for (i = 1; i <= n - 1; i++)
    {
        for (j = 1; j <= n - i; j++)
        {
            if (a[j].score < a[j + 1].score)
            {
                t = a[j]; a[j] = a[j + 1]; a[j + 1] = t;
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        printf_s("%s\n", a[i].name);
    }
    return 0;
}

scanf_s("%s%d", a[i].name, 21, &a[i].score);

谢谢