#include <stdio.h> 
 
int main(){
 
	int n, k;
	int denominateur = 1;
	int numerateur = 1;
 
	printf("Tapez n et k pour calculer (n k)\n");
	scanf("%d", &n);
	scanf("%d", &k);
    //printf("(n k) = %d %d \n", n, k);
 
	for(int i = k; i > 1; i--) {
		denominateur *= i;
	}
 
	for(int j = n; j >= n - k + 1; j--) {
		numerateur *= j;
	}
 
	float combinaisons = (float)numerateur / (float)denominateur ; 
 
	printf("(n k) = %d / %d = %f \n", numerateur, denominateur, combinaisons);
 
	return 0;
} 

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MTAKNQo=

10
5