Cod sursa(job #1692004)

Utilizator iulian_f2kGuraliuc Iulian iulian_f2k Data 19 aprilie 2016 22:35:44
Problema Congr Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.01 kb
#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
vector<int> v, sol;

int main()
{
    freopen("congr.in", "rt", stdin);
    freopen("congr.out", "wt", stdout);
    int N, i1, i2, aux;
    int sum = 0;
    scanf("%d", &N);
    v.assign(2 * N + 1, 0);
    sol.assign(2 * N + 1, 0);
    for(int i = 1; i < 2 * N; ++i) {
        scanf("%d", &v[i]);
        sol[i] = i;
        if(i <= N)
            sum += v[i];
    }
    while( sum % N != 0 || sum == 0) {
        i1 = ( rand() % N ) + 1;
        i2 = ( rand() % N ) + N;
        //if(i1 != i2) {
            sum += v[ sol[i2] ] - v[ sol[i1] ];
            aux = sol[i1];
            sol[i1] = sol[i2];
            sol[i2] = aux;
            aux = v[i1];
            v[i1] = v[i2];
            v[i2] = aux;
        //}
       /* if(sum >= N)
            sum -= N;
        else if(sum < 0)
            sum += N;*/
    }
    for(int i = 1; i <= N; ++i)
        cout << sol[i] << ' ';
    cout << '\n';
    return 0;
}