Java语言
计算多项式1!+2!+3!+...+n!,当多项式之和超过10000时停止,输出累加之和以及n的值
代码如下,有帮助望采纳
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
int a = 0;
int s = 1;
while (a < 10000) {
a += addN(s++);
// System.out.println(a);
}
System.out.println(a);
System.out.println(s - 1);
}
public static int addN(int x) {
int a = 1;
for (int i = 1; i <= x; i++) {
a *= i;
}
return a;
}
}
int sum = 0;
int t = 1;
for(int n = 1;sum <= 10000;n++){
t *= n;
sum += t;
}
System.out.println("sum="+sum+",n=" + n);