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

int main()
{
   int tableau[30][30];
   int n, p;
   
   int i,j;
   for (i = 0; i < 30; ++i)
       for (j = 0; j < 30; ++j)
           tableau[i][j] = 0;
   printf("Entrez n : ");
   scanf("%d", &n);
   printf("Entrez p : ");
   scanf("%d", &p);        
   for (i = 0; i <= n; ++i) {
       tableau[i][0] = 1;
       for (j = 1; j <= i; ++j)
           tableau[i][j] = tableau[i-1][j] + tableau[i-1][j-1];
   }
   printf("C[%d][%d] = %d", n, p, tableau[n][p]);
   printf("\n");
   return 0;
}