用java求满足1+2!+3!+...+n!<=9999的最大整数n

用java求满足1+2!+3!+...+n!<=9999的最大整数n

public class Exercise3_9 {


static int function(int num) {
int s = 1;
for(int i = 1; i <= num; i++) {
s *= i;
}
return s;
}
public static void main(String[] args) {
// TODO Auto-generated method stub

int sum = 0;
int n = 1;
while(sum <= 9999) {
sum += function(n);
n++;
}
System.out.println("满足1+2!+3!+...+n!<=9999的最大整数n为：" + n);
}
}