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Description Consider equations having the following form: a1x13+ a2x23+ a3x33+ a4x43+ a5x53=0 The coefficients are given integers from the interval [-50,50]. It is consider a solution a system (

Description Li Ming is a good student. He always asks the teacher about his rank in his class after every exam, which makes the teacher very tired. So the teacher gives him the scores of all the stude

题意： 1.表示插入客户K，他的优先级是P（相当于大小） 2.表示输出当前优先级最高的客户（即找出最大值），并且删除。 3.输出最低级的并删除。最开始思路，直接用map写，然而超时了：#include <iostream>#include <cstdio>#include <map>using namespace std;int main(){ map <int,int> c

Problem Description 　　We all use cell phone today. And we must be familiar with the intelligent English input method on the cell phone. To be specific, the number buttons may correspond to some Englis

Encoding schemes are often used in situations requiring encryption or information storage/transmission economy. Here, we develop a simple encoding scheme that encodes particular types of words with ve