combination.c (skeleton)

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

int comb(int, int);

int main(int argc, char const *argv[]){
/*
    if(argc!=3){
        printf("Usage ./combination [n] [r]\n");
        return -1;
    }
    int n, k;
    n = atoi(argv[1]);
    k = atoi(argv[2]);

    if(k>n){
        printf("Must be K < N\n");
        return -1;
    }
*/
    int n = 10;
    int k = 5;

    printf("Comb(%d, %d) = %d\n",n, k, comb(n,k));
    // Result : 252
    return 0;
}
int comb(int n, int k){
    //Code Here
}