chaoer

摘要： 问题：给定N个节点，能构成多少种不同的二叉树.回答：卡特兰数运用.import java.util.*;import java.math.*;public class Main{ public static void main(String[] args) { int n; Scanner in=... 阅读全文

摘要： 问题：On Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours. The game is playe... 阅读全文

摘要： 问题：有N个小孩围成一圈，给他们从1开始依次编号，现指定从第W个开始报数，报到第S个时，该小孩出列，然后从下一个小孩开始报数，仍是报到S个出列，如此重复下去，直到所有的小孩都出列（总人数不足S个时将循环报数），求小孩出列的顺序。Input第一行输入小孩的人数N（N#include #include ... 阅读全文

摘要： 问题：As an experienced ACMer, you must have known the importance of "code template library". With the help of pre-printed code library, you can implemen... 阅读全文

摘要： 问题：In your childhood, do you crazy for collecting the beautiful cards in the snacks? They said that, for example, if you collect all the 108 people in... 阅读全文

摘要： 问题:给出一个数，计算出其全排列结果。回答：方法一：#include #include #include #define maxN 4using namespace std; int main(){ int p[maxN] = {-1}; for(int i=0; i#include //#def... 阅读全文

摘要： 问题：Biologists finally invent techniques of repairing DNA that contains segments causing kinds of inherited diseases. For the sake of simplicity, a DNA... 阅读全文

摘要： 问题：Candy and his friends found a treasure map. With the help of the map, they successfully found the treasure inside an ancient cave, but just as they... 阅读全文

摘要： 问题：John is going on a fishing trip. He has h hours available (1 = 0 ), is known. Each 5 minutes of fishing decreases the number of fish expected to be... 阅读全文

摘要： 问题：Input输入的第一行是一个整数T( 1 #include #include #include #includeusing namespace std;#define M 2005int a[M][26],b[26];vectorQ;void main(){ int T; scanf("%d"... 阅读全文