题目:求1+2!+3!+...+20!的和
package cn.ls.lanqiao;
public class Test21 {
public static void main(String[] args) {
int sum = 1;
int total = 0;
for (int i = 1; i <= 20; i++) {
sum *= i;
total += sum;
}
System.out.println(total);
}
}
题目:求1+2!+3!+...+20!的和
package cn.ls.lanqiao;
public class Test21 {
public static void main(String[] args) {
int sum = 1;
int total = 0;
for (int i = 1; i <= 20; i++) {
sum *= i;
total += sum;
}
System.out.println(total);
}
}