a216. 數數愛明明 | From: [1.160.163.220] | 發表日期 : 2014-01-18 12:56

#include <stdio.h>

int main(){

long long int num,f1,ff1,f2,n,d;

while(scanf("%lld", &num)!=EOF){

for(n=1,f1=0,ff1=1,f2=0,d=1;n<=num;n++){

f1=f1+(ff1+(n-1)*d);

f2=f2+f1;

}

printf("%lld %lld\n", f1,f2);

}

return 0;

}