1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
|
# include <stdio.h>
# include <math.h>
void _main(void) {
float a,b,c,D,x1,x2,x ;
printf("Donner les coefficients a, b et c \n");
printf("a = ");
scanf("%f",&a);
printf("b = ");
scanf("%f",&b);
printf("c = ");
scanf("%f",&c);
if a=0
if b=0
if c=0 printf("R");
else printf("vide");
else x=-c/b printf("le resultat = %f",x);
else D=b*b-4*a*c
x1=-b-sqrtf(D)/2*a
x2=-b+sqrtf(D)/2*a
x=-b/2*a
if D>0 printf("le resultat = %f ",x1,x2)
else
if D=0 printf("le resultat = %f",x)
else printf("impossible");
;
;
} |
Partager