摘要：
import java.util.Scanner; public class Main { static int[] a = new int[100005]; public static boolean solven(int n) { int flag = 0, left = 0, right = n-1; for(int i = 0; i a... 阅读全文
摘要：
import java.util.Scanner; public class Main { public static int solven(int n) { int addNum = 1, ans = 1, day = n - 1; while(day > addNum) { ans += addNum - 1; ... 阅读全文