#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#define MAX 		10

int tab[MAX];
int nb=0;
pthread_mutex_t mutex;

void lire() {
	int i;
	printf("saisir %d entiers\n", MAX);
	for (i=0; i<MAX ; i++) scanf("%d", &tab[i]);
}
void affiche(){
	int i;
	printf("entiers saisis :");
	for (i=0; i<MAX ; i++) printf("%d ",tab [i]);
	printf("\n");
}
void * moyenne(void* arg){
	int i, moy=tab[0];
	for (i=1; i<MAX; i++) moy = moy + tab[i];
	printf("moyenne des entiers = %f\n", (float)moy/MAX);
}
void * supSeuil(void* arg){
	int i;
    int seuil =*(int*)arg;
    pthread_mutex_lock(&mutex);
	for (i=0; i<MAX; i++) if (tab[i]>seuil) nb++;
	printf("fin de fonction supSeuil : nb = %d\n", nb);
    pthread_mutex_unlock(&mutex);
}
void * infSeuil(void* arg){
	int i;
    int seuil =*(int*)arg;
    pthread_mutex_lock(&mutex);
	for (i=0; i<MAX; i++) if (tab[i]<seuil) nb++;
	printf("fin de fonction infSeuil : nb = %d\n", nb);
    pthread_mutex_unlock(&mutex);
}

void minMax(int *min, int *max) {
	int i;
	*min=tab[0];
	*max=tab[0];
	for (i=1; i<MAX; i++) {
	    if (tab[i]<*min) *min=tab[i];
	    else if (tab[i]>*max) *max=tab[i];
	}
}

int main(){
	int seuilInf, seuilSup, min, max;
    pthread_t tid1, tid2, tid3;
    pthread_attr_t attr;
    pthread_attr_init(&attr);
    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
    
 
    pthread_mutex_init(&mutex,NULL);
   
   
	lire();
	affiche();
    
    pthread_create(&tid1, &attr, moyenne, NULL);
	
    
    
	printf("saisir les seuils sup et inf : ");
	scanf("%d%d", &seuilSup, &seuilInf);
	 int * p_seuilInf = (int *) malloc(sizeof(int));
    *p_seuilInf = seuilInf;
    int * p_seuilSupp = (int *) malloc(sizeof(int));
    *p_seuilSupp = seuilSup;
    pthread_create(&tid2, &attr, supSeuil,(void *) p_seuilSupp);
    pthread_create(&tid3, &attr, infSeuil,(void *) p_seuilInf);
    
	minMax(&min, &max);
	printf("min = %d, max = %d\n", min, max);
    pthread_exit(NULL);
	return(0);
}