懒鬼的私人泳池

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.Find the sum of all the multiples of 3 or 5 below N.Input Forma

1294 全排列时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold题目描述 Description给出一个n, 请输出n的所有全排列 输入描述 Input Description读入仅一个整数n (1<=n<=10) 输出描述 Output Description一共n!行，每行n个用空格隔开的数，表示n的一个全排列。并且按全排列的字典序输出。 样例输入

1116 四色问题时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold题目描述 Description给定N（小于等于8）个点的地图，以及地图上各点的相邻关系，请输出用4种颜色将地图涂色的所有方案数（要求相邻两点不能涂成相同的颜色）数据中0代表不相邻，1代表相邻 输入描述 Input Description第一行一个整数n，代表地图上有n个点接下来n行，每行n个整数

1010 过河卒2002年NOIP全国联赛普及组 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold题目描述 Description　如图，A 点有一个过河卒，需要走到目标 B 点。卒行走规则：可以向下、或者向右。同时在棋盘上的任一点有一个对方的马（如上图的C点），该马所在的点和所有跳跃一步可达的点称为对方马的控制点。例如上图 C 点上的马可以控制 9 个点（图中

1295 N皇后问题时间限制: 2 s 空间限制: 128000 KB 题目等级 : 黄金 Gold题目描述 Description在n×n格的棋盘上放置彼此不受攻击的n个皇后。按照国际象棋的规则，皇后可以攻击与之处在同一行或同一列或同一斜线上的棋子。n后问题等价于再n×n的棋盘上放置n个皇后，任何2个皇后不妨在同一行或同一列或同一斜线上。 输入描述 Input Description给定棋盘

3116 高精度练习之加法 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold 题解 题目描述 Description 给出两个正整数A和B，计算A+B的值。保证A和B的位数不超过500位。输入描述 Input Description 读入两个用空格隔开的正整数输出描述 Output Description 输出A+B的值样例输入 Sample

1169 传纸条 2008年NOIP全国联赛提高组 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 钻石 Diamond 题解 题目描述 Description 小渊和小轩是好朋友也是同班同学，他们在一起总有谈不完的话题。一次素质拓展活动中，班上同学安排做成一个m行n列的矩阵，而小渊和小轩被安排在矩阵对角线的两端，因此，他们就无法直接交谈了。幸运的是，他们可以

3117 高精度练习之乘法 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold 题解 题目描述 Description 给出两个正整数A和B，计算A*B的值。保证A和B的位数不超过500位。输入描述 Input Description 读入两个用空格隔开的正整数输出描述 Output Description 输出A*B的值样例输入 Sample

3115 高精度练习之减法 时间限制: 1 s 空间限制: 64000 KB 题目等级 : 黄金 Gold 题解 题目描述 Description 给出两个正整数A和B，计算A-B的值。保证A和B的位数不超过500位。输入描述 Input Description 读入两个用空格隔开的正整数输出描述 Output Description 输出A-B的值样例输入 Sample I

1014 装箱问题2001年NOIP全国联赛普及组 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold题目描述 Description有一个箱子容量为V（正整数，0＜＝V＜＝20000），同时有n个物品（0＜n＜＝30），每个物品有一个体积（正整数）。要求n个物品中，任取若干个装入箱内，使箱子的剩余空间为最小。 输入描述 Input Description一个整

1219 骑士游历 1997年 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 黄金 Gold 题解 题目描述 Description 设有一个n*m的棋盘（2≤n≤50，2≤m≤50），如下图，在棋盘上有一个中国象棋马。 规定：1)马只能走日字2)马只能向右跳问给定起点x1,y1和终点x2,y2，求出马从x1,y1出发到x2,y2的合法路径条数。输入描

水题。。。 Shaking hands Accepts: 452 Submissions: 583 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述今天是Gorwin的生日，所以她举办了一个派对并邀请她的朋友来参加。她将邀请n个朋友，为了方便，Gorwin把他们从1到

Prime Path Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u SubmitStatus Description The ministers of the cabinet were quite upset by the message from the Chief of Secur

迷宫问题 Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11333 Accepted: 6784 Description定义一个二维数组： int maze[5][5] = {0, 1, 0, 0, 0,0, 1, 0, 1, 0,0, 0, 0, 0, 0,0, 1, 1, 1, 0,0, 0,

Fire Game Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64uDescription Fat brother and Maze are playing a kind of special (hentai) game on an N*M board (N rows, M columns).

Jury Compromise Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 26028 Accepted: 6828 Special Judge DescriptionIn Frobnia, a far-away country, the verdicts in court trials

Pots Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11798 Accepted: 4992 Special Judge DescriptionYou are given two pots, having the volume of A and B liters respectivel

棋盘问题 Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64uDescription 在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。Input

Find The Multiple Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64uDescription Given a positive integer n, write a program to find out a nonzero multiple m of n whose decim

Shuffle’m Up Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7486 Accepted: 3444 DescriptionA common pastime for poker players at a poker table is to shuffle stacks of chips. Shu

Problem : Fire!Joe works in a maze. Unfortunately, portions of the maze have caught on fire, and the owner of the maze neglected to create a fire escape plan. Help Joe escape the maze.Given Joe’s locat

非常可乐Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7526 Accepted Submission(s): 3002Problem Description 大家一定觉的运动以后喝可乐是一件很惬意的事情，但是seeyou却不这

Find a wayTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 6615 Accepted Submission(s): 2189Problem Description Pass a year learning in Hang

Invitation Cards Time Limit: 8000MS Memory Limit: 262144K Total Submissions: 22675 Accepted: 7424 DescriptionIn the age of television, not many people attend theater performances. Antiqu

Subway Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7504 Accepted: 2440 DescriptionYou have just moved from a quiet Waterloo neighbourhood to a big, noisy city. Instead of get

Tram Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 12338 Accepted: 4497 DescriptionTram network in Zagreb consists of a number of intersections and rails connecting some of

Amount of Degrees Time limit: 1.0 second Memory limit: 64 MB Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. E

Round Numbers Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10811 Accepted: 3974 DescriptionThe cows, as you know, have no fingers or thumbs and thus are unable to play Scis

Ignatius and the Princess IVTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32767 K (Java/Others) Total Submission(s): 22321 Accepted Submission(s): 9335Problem Description “OK, you

Max Sum Plus PlusTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21290 Accepted Submission(s): 7111Problem Description Now I think you have

Have Lunch Together 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 Everyday Littile Hi and Little Ho meet in the school cafeteria to have lunch together. The cafeteria is often so crowded that two adjacen

Monkey and BananaTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10168 Accepted Submission(s): 5285Problem Description A group of researche

Piggy-BankTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16734 Accepted Submission(s): 8448Problem Description Before ACM can do anything,

FatMouse’s SpeedTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 12405 Accepted Submission(s): 5446 Special JudgeProblem Description FatMou

Heavy Transportation Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 25357 Accepted: 6717 DescriptionBackground Hugo Heavy is happy. After the breakdown of the Cargolifter p

TicketsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2082 Accepted Submission(s): 1008Problem Description Jesus, what a great movie! Thou

最少拦截系统Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 27563 Accepted Submission(s): 10891Problem Description 某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是这种

Help Jimmy Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 9631 Accepted: 3121 Description“Help Jimmy” 是在下图所示的场景上完成的游戏。 场景中包括多个长度和高度各不相同的平台。地面是最低的平台，高度为零，长度无限。 Jimmy老鼠在时刻0从高于所有平台

Super Jumping! Jumping! Jumping!Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 28751 Accepted Submission(s): 12841Problem Description Nowa

Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 31345 Accepted: 10104 DescriptionFreddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona F