编写程序求s=1+(1+2)+(1+2+3)+…+(1+2+3+…)

public class test { public static void main(String[] args) { int n = 10;/*需计算的n值*/ int result = 0; for (int i = 1;i <= n;i++) { for (int j = 1;j <= i;j++) { result = result + j; }