2020 绝对值排序

#include<iostream>#include<vector>#include<algorithm>using namespace std;bool cmp(int a,int b){    return abs(a)>abs(b);}int main(void){    int n;    int temp;    vector<int> v;    while(cin>>n)    {        if(n==0)        {            break;        }        v.clear();        for(int i=0;i<n;i++)        {            cin>>temp;            v.push_back(temp);        }        sort(v.begin(),v.end(),cmp);        for(int i=0;i<v.size();i++)        {            if(i!=0)            {                cout<<' '<<v[i];            }            else            {                cout<<v[i];            }        }        cout<<endl;    }    return 0;}