projprog/C6.2.c
2021-10-18 08:24:56 +02:00

19 lines
238 B
C

#include<stdio.h>
#define N 30
int fib(int k){
if(k<2)
return 1;
return fib(k-1)+fib(k-2);
}
int main() {
int n;
do{
printf("Quel nombre ? ");
scanf("%d",&n);
}while(0>=n || n>=1000);
printf("Voilà votre %d\n", fib(n));
}