其他

DescriptionGiven two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation as multiplication, exponentiation by a non-negative integer is defined in the

Tempter of the Bone IITime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 98304/32768 K (Java/Others)Total Submission(s): 1128    Accepted Submission(s): 282Problem DescriptionThe doggie found a bone in an ancient maze, which fascinated him a

Problem DescriptionClairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages and she was preparing for sending it to ykwd. They had agreed that each letter of these messages would be transfered to

Proud MerchantsTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 1672    Accepted Submission(s): 671Problem DescriptionRecently, iSea went to an ancient country. For such a long time, it was the

B. Maximum Absurditytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputReforms continue entering Berland. For example, during yesterday sitting the Berland Parliament approved as much as n laws

A. k-Stringtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA string is called a k-string if it can be represented as k concatenated copies of some string. For example, the string "aabaabaabaab"

FatMouse and CheeseTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3509    Accepted Submission(s): 1388Problem DescriptionFatMouse has stored some cheese in a city. The city can be considered

SolitaireTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2611    Accepted Submission(s): 850Problem DescriptionSolitaire is a game played on a chessboard 8x8. The rows and columns of the

RelocationTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 1479 Accepted: 597DescriptionEmma and Eric are moving to their new house they bought after returning from their honeymoon. Fortunately, they have a few friends helping them relocate.

SticksTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4652    Accepted Submission(s): 1285Problem DescriptionGeorge took sticks of the same length and cut them randomly until all parts became

Gnome TetravexTime Limit: 10 Seconds      Memory Limit: 32768 KB Hart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is given n*n squares. Each square is divided into four triangles

題目連結：http://poj.org/problem?id=1069由於現在題目上的圖片看不到  我就先不貼題目出來了題意：現在給定一個正六邊形的邊長，然後再給n種小正三角形，問能否用這n種小正三角形填滿這個正六邊形。小三角形可以不全用。每種小三角無限用。思路：這題關鍵是建系，我是以60度角 以六邊形左上方的邊“ / ” 和下面的 " _ " 這條邊建的系  也可以以120度角來建系  看自己習慣哪一種    然後我輸出一下我建系後六邊形是怎樣表示的 邊長為3的六邊形：000000011111

RemainderTime Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2039    Accepted Submission(s): 436Problem DescriptionCoco is a clever boy, who is good at mathematics. However, he is puzzled by a

Largest Rectangle in a HistogramTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7496    Accepted Submission(s): 2106Problem DescriptionA histogram is a polygon composed of a sequence of

What Are You Talking AboutTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 102400/204800 K (Java/Others)Total Submission(s): 9527    Accepted Submission(s): 2975Problem DescriptionIgnatius is so lucky that he met a Martian yesterday. But he

聰明的打字員Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5839 Accepted: 1190Description阿蘭是某機密部門的打字員，她現在接到一個任務：需要在一天之內輸入幾百個長度固定為6的密碼。當然，她希望輸入的過程中敲擊鍵盤的總次數越少越好。 不幸的是，出於保密的需要，該部門用於輸入密碼的鍵盤是特殊設計的，鍵盤上沒有數字鍵，而只有以下六個鍵：Swap0, Swap1, Up, Down, Left,

City GameTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3264    Accepted Submission(s): 1344Problem DescriptionBob is a strategy game programming specialist. In his new city building game the

Bloxorz ITime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 4808 Accepted: 1592DescriptionLittle Tom loves playing games. One day he downloads a little computer game called 'Bloxorz' which makes him excited. It's a game about rolling a box to

滑雪Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 67020 Accepted: 24632DescriptionMichael喜歡滑雪百這並不奇怪， 因為滑雪的確很刺激。可是為了獲得速度，滑的地區必須向下傾斜，而且當你滑到坡底，你不得不再次走上坡或者等待升降機來載你。Michael想知道載一個地區中最長底滑坡。地區由一個二維數組給出。數組的每個數字代表點的高度。下面是一個例子  1 2 3 4 516 17 18 19

1001. Reverse RootTime limit: 2.0 secondMemory limit: 64 MBThe problem is so easy, that the authors were lazy to write a statement for it!InputThe input stream contains a set of integer numbers Ai (0 ≤ Ai ≤ 1018). The numbers are separated by any