急求一程序,请个位高手帮帮忙呀??????急求!!!!!!!!!!!!
1!+2!+3!+....+8!
参考答案:用java编:
public class Tnum{
public static void main(String args[]){
long sum=0;
for(int i=1;i<=5;i++){
long num=1;
for(int j=1;j<=i;j++){
num=num*j;
}
sum=sum+num;
}
System.out.println(sum);
}
}