计算1！+2！+3！+4！+….从第100项到第200项之和。java

public class FactorialSum {
    public static void main(String[] args) {
        long sum = 0;
        long factorial = 1;
        for (int i = 1; i <= 200; i++) {
            factorial *= i;
            if (i >= 100) {
                sum += factorial;
            }
        }
        System.out.println("The sum of factorials from 100th to 200th is " + sum);
    }
}