Submission #1227316

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227316		PVM_pvm	Message (IOI24_message)	C++20	49.61 / 100	423 ms	876 KiB

message

#include "message.h"
#include<bits/stdc++.h>
using namespace std;
long long tqh[35]=
{1577456404,1911513681,126635695,1315583884,553635556,582712042,197923241,285246256,1210012501,1722838894,1393569048,2097450162,2141823396,2087785973,1055408251,52133245,722166878,1230093970,1052938149,831136841,1754314410,1090124986,174312462,1798759957,1009679296,1314194954,1891372790,236317683,1586886260,471170078,484344262,882549447,1573708182,121774280,90311136};
void send_message(vector<bool> M, vector<bool> C) {
    srand(158);
    vector<bool> razkrit(31);
    for (int q=0;q<31;q++) razkrit[q]=!C[q];
    int klk=16;
    int prv=rand()%10;
    int vtr=(prv+1)%10;
    for (int w=0;w<35;w++)
    {
        vector<bool> msg(31);
        for (int q=0;q<31;q++)
        {
            if (C[q])
            {
                if (w==prv) msg[q]=(tqh[w]>>q)%2;
                else if (w==vtr) msg[q]=1-(tqh[w]>>q)%2;
                else msg[q]=rand()%2;
            }
            else
            {
                int klk=(tqh[w]>>q)%2;
                msg[q]=klk;
            }
        }
        vector<bool> rsp=send_packet(msg);
        for (int q=0;q<31;q++)
        {
            if (rsp[q]!=((tqh[w]>>q)%2))
            {
                if (razkrit[q]) continue;
                razkrit[q]=1;
                klk++;
            }
        }
        if (klk==31) {
            //cerr<<w<<" s\n";
            break;
        }
    }
    int len=M.size();
    int br=0;
    vector<bool> dylz(31);
    for (int q=0;q<31;q++)
    {
        if (C[q]) dylz[q]=0;
        else
        {
            dylz[q]=len%2;
            len/=2;
        }
    }
    send_packet(dylz);
    len=M.size();
    for (int cur=0;cur<len;)
    {
        vector<bool> syob(31);
        for (int q=0;q<31;q++)
        {
            if (C[q]) syob[q]=0;
            else
            {
                if (cur==len) syob[q]=0;
                else
                {
                    syob[q]=M[cur];
                    cur++;
                }
            }
        }
        send_packet(syob);
    }
}

vector<bool> receive_message(vector<vector<bool>> R) {
    vector<bool> otg;
    vector<bool> razkrit(31);
    int klk=0;
    int sl;
    for (int w=0;w<35;w++)
    {
        for (int q=0;q<31;q++)
        {
            if (R[w][q]!=((tqh[w]>>q)%2))
            {
                if (razkrit[q]) continue;
                razkrit[q]=1;
                klk++;
            }
        }
        if (klk==15)
        {
            sl=w+1;
            //cerr<<w<<" r\n";
            break;
        }
    }
    int dlz=0;
    int br=0;
    for (int q=0;q<31;q++)
    {
        if (razkrit[q]) continue;
        dlz+=R[sl][q]*(1<<br);
        br++;
    }
    //cout<<dlz<<" e dylg\n";
    int cur=0;
    for (int w=sl+1;w<R.size();w++)
    {
        for (int q=0;q<31;q++)
        {
            if (razkrit[q]) continue;
            if (cur==dlz) continue;
            otg.push_back(R[w][q]);
            cur++;
        }
    }
    return otg;
}

• Subtask 0: 0 / 0
• Subtask 1: 10 / 10
• Subtask 2: 39.6114 / 90