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#include <stdio.h>
#define NB_PLANETES 8
/* ici la definition du type planete */
typedef struct{
char nom[10];
float densite;
float distance;
int nbsat;
} planete;
void affichePlanete(planete p){
printf("%s : densite = %.2f, distance soleil = %.1f, nb satellites = %d",
p.nom, p.densite, p.distance, p.nbsat);
}
void afficheToutesPlanetes(planete ps[], int n){
for (int i = 0; i < n; i++) affichePlanete(*(ps+i));
}
void modifieDensite (planete *p, float v) {
p->densite = v;
}
int main(){
planete systemeSolaire[NB_PLANETES] ={{"Mercure", 5.42, 58, 0}, {"Venus", 5.25, 108.2, 0},
{"Terre", 5.52, 149.6,1}, {"Mars", 3.94, 227.9, 2}, {"Jupiter", 1.314, 778.3, 16},
{"Saturne", 0.69, 1427, 17}, {"Uranus", 1.19, 2869, 15}, {"Neptune", 1.6, 4496, 2}};
int i;
float d;
afficheToutesPlanetes(systemeSolaire, NB_PLANETES);
printf("\n");
scanf("%d", &i);
scanf("%f", &d);
/* on affecte la densite d a la planete d'indice i du tableau systemeSolaire */
modifieDensite(systemeSolaire+i, d);
affichePlanete(systemeSolaire[i]);
printf("\n");
return 0;
}
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