#include <stdio.h>
 
typedef struct {
    int id;
    int weight;
    int height;
} data;
 
void swap(data *a, data *b) {
    data temp = *a;
    *a = *b;
    *b = temp;
}
 
int main() {
    data a[] = {{1, 65, 169},
                {2, 73, 170},
                {3, 59, 161},
                {4, 79, 175},
                {5, 55, 168}};
    int n = sizeof(a) / sizeof(a[0]);
    for (int i = 0; i < n - 1; i++) {
        for (int j = i + 1; j < n; j++) {
            if (a[i].height < a[j].height) {
                swap(&a[i], &a[j]);
            }
        }
    }
    for (int i = 0; i < n; i++) {
        printf("%d, %d, %d\n", a[i].id, a[i].weight, a[i].height);
    }
    return 0;
}
 

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