#include <stdio.h>
#include <locale.h>
#include <stdlib.h>
 
struct musica {
	char nome[100];
	char estilo[100];
	int rank;
};
 
typedef struct musica Musica;
 
int compararMusicas(const void* musica1, const void* musica2){
    Musica* m1 = *((Musica**)musica1);
    Musica* m2 = *((Musica**)musica2);
 
    return m1->rank-m2->rank;
}
 
int main (void) {
	int i,j;
	Musica *a[8];
 
	setlocale(LC_ALL, "Portuguese");
 
	for (i=0; i<4; i++) {
        a[i] = malloc(sizeof(Musica));
		printf ("Nome da música: ");
		gets (a[i]->nome);
 
		printf ("Estilo musical: ");
		gets (a[i]->estilo);
 
		printf ("Ranking da música: ");
		scanf ("%d",&(a[i]->rank));
 
		printf ("\n\n");
 
		getchar();
	}
//RANKING DIGITADO DESORDENADO
	for (i=0; i<4; i++) {
		printf ("RANK %d\t%s\t%s\t\n", a[i]->rank, a[i]->nome, a[i]->estilo);
	}
 
            qsort(a, 4, sizeof(Musica*), compararMusicas);
 
	printf ("\n");
//RANKING ORDEM
	for (i=0; i<4; i++) {
		printf ("RANK %d\t%s\t%s\t\n", a[i]->rank, a[i]->nome, a[i]->estilo);
	}
 
	return 0;
}
 

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musica1
estilo1
98
musica2
estilo2
50
musica3
estilo3
65
musica4
estilo4
13