snowy_smile的博客

Counting SheepThis contest is open for practice. You can try every problem as many times as you like, though we won't keep track of which problems you solve. Read the Quick-Start Guide to ge

Revenge of the PancakesThis contest is open for practice. You can try every problem as many times as you like, though we won't keep track of which problems you solve. Read the Quick-Start Gu

import java.util.*;import java.math.*;public class Main{ static Scanner cin = new Scanner(System.in); public static void main(String[] args) { //预处理素数 int prime[] = { 2,3,5,7,11,13,17,19,23,

Problem D. FractilesThis contest is open for practice. You can try every problem as many times as you like, though we won't keep track of which problems you solve. Read the Quick-Start Guide