UVa, 10107 What is the Median?

来源:互联网 发布:淘宝拍摄培训班 编辑:程序博客网 时间:2024/05/16 05:55
What is the Median? 

The Problem

Median plays an important role in the world of statistics. By definition, it is a value which divides an array into two equal parts. In this problem you are to determine the current median of some long integers.

Suppose, we have five numbers {1,3,6,2,7}. In this case, 3 is the median as it has exactly two numbers on its each side. {1,2} and {6,7}.

If there are even number of values like {1,3,6,2,7,8}, only one value cannot split this array into equal two parts, so we consider the average of the middle values {3,6}. Thus, the median will be (3+6)/2 = 4.5. In this problem, you have to print only the integer part, not the fractional. As a result, according to this problem, the median will be 4!

Input 

The input file consists of series of integers X ( 0 <= X < 2^31 ) and total number of integers N is less than 10000. The numbers may have leading or trailing spaces.

Output 

For each input print the current value of the median.

Sample Input 

1346070502

Sample Output 

12334274
#include <iostream>     // std::cout#include <algorithm>    // std::sort#include <vector>       // std::vector#include <cstdio>using namespace std;int main(){    int num[10000];    int n,i,a,s=0;    cin>>num[0];    cout<<num[0]<<endl;    i=1;    while(cin>>num[i])    {        i++;        sort(num,num+i);        /*for(j=0;j<i;j++)        {            cout<<num[j]<<endl;        }*/        // printf("**%d**",i);        if(i%2!=0)            cout<<num[(i-1)/2]<<endl;        if(i%2==0)        {            s=(num[i/2]+num[i/2-1])/2;            cout<<s<<endl;        }    }    return 0;}
原创粉丝点击