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Adam and Eve play a card game using a regular deck of 52 cards. The rules are simple. The players sit on opposite sides of a table, facing each other. Each player gets k cards from the deck and, after

A data stream is a real-time, continuous, ordered sequence of items. Some examples include sensor data, Internet traffic, financial tickers, on-line auctions, and transaction logs such as Web usage log

You have N integers, A1, A2, … , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum

题意： 在坐标上有n个星星，如果某个星星左下位置有a个星星，就表示这个星星属于level a 星星坐标输入按照y递增，如果y相同则x递增，求出所有level水平的星星数量#include <iostream>#include <cstdio>#include <cstring>using namespace std;const int Maxn=32005;const int N=1

Description Given 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, exponentiati