упростить конструкцию - C++

#include <iostream>
#include <ctime>
#include <list>
using namespace std;
const char* sides_names[]={"PLR", "CPU"};
const int PLAYER=0;
const int CPU=1;
const int SIZE=10;
struct tplayer{
    int side;
    int id;
};
list<tplayer> players;
int main(){
    srand(time(NULL));
    list<tplayer>::iterator it;
        tplayer new_player
    new_player.id=1;
    for(new_player.side=PLAYER; new_player.side<=CPU; new_player.side++)
        for(int i=0; i<SIZE/2; i++){    
            int pos=rand()%(new_player.id);
            it=players.begin();
            advance(it, pos);
            players.insert(it, new_player);
            new_player.id++;
        }
        for (it=players.begin(); it!=players.end(); it++)
            cout<<(it->id)<<" - "<<sides_names[it->side]<<endl;
    return 0;
}