schema horner

//
//  main.c
//  sHorner
//
//  Created by MacBook Pro on 18/10/2015.
//  Copyright © 2015 MacBook Pro. All rights reserved.
//

#include <stdio.h>
#include "stdlib.h"

int main(int argc, const char * argv[]) {
    int *a,n;
    int i=0;
    float x;
    double p;
    p=0;
    printf("Donner le degre de P: ");
    scanf("%d",&n);
    a = (int*)malloc((n+1)*sizeof(int));
    printf("Donner la valeur de x: ");
    scanf("%f",&x);
    printf("donner les coefficients du P:\n");
    while(i<n+1){
        printf("Donner le coefficient %d: ",n-i);
        scanf("%d",a+i);
        i++;
    }
    i=1;
    p = *(a+n);
    while (i<n+1) {
        p =p*x+ *(a+n-i);
        i++;
    }

    printf("le resultat est %f\n",p);
    return 0;
}