UVA_357_Ways_WA

#include <stdio.h>

int main(int argc, char** argv) {
    int n;
    int coins[] = {1,5,10,25,50};
    unsigned long long int  ways[30005];int i;int j;
    ways[0]=1;int coin;
        for (i=0;i<5;i++){

            coin = coins[i];
            for(j=coin;j<30005;j++){

                ways[j]=ways[j]+ways[j-coin];
                }

            }

    while(scanf("%d",&n)==1){

        if (ways[n]>1){
            printf("There are %llu ways to produce %d cents change.\n",ways[n],n);
        }else{
            printf("There is only 1 way to produce %d cents change.\n",n);
        }
    }
    return 0;
}