Submission #707646

#	Time	Username	Problem	Language	Result	Execution time	Memory
707646		bin9638	Flight to the Ford (BOI22_communication)	C++17	0 / 100	918 ms	220 KiB

communication

#include<bits/stdc++.h>

#ifndef SKY
#include<communication.h>
#endif // SKY

using namespace std;
#define N 1000010
#define ll long long
#define ii pair<int,int>
#define fs first
#define sc second
#define pb push_back
#define ld long double

#ifdef SKY
deque<int>dq;
int kt=1;
int send(int s)
{
    if(rand()%2==0&&kt==1)
    {
        kt=0;
        dq.push_back((s^1));
        return(s^1);
    }else
    {
        kt=1;
        dq.push_back(s);
        return (s);
    }
}

int receive()
{
    if(dq.empty())
    {
        cout<<"NGU VC";
        exit(0);
    }
    int res=dq.front();
    dq.pop_front();
    return res;
}
#endif // SKY

void encode(int n,int x)
{
    if(x==2)
    {
        for(int i=1;i<=249;i++)
            send(0);
    }else
    {
        for(int i=1;i<=249;i++)
            send(1);
    }
}

pair<int,int>decode(int n)
{
    int cnt[2];
    for(int i=1;i<=249;i++)
        cnt[receive()]++;
    if(cnt[0]>cnt[1])
        return{2,3};
            else return{1,3};
}

#ifdef SKY
int main()
{
    freopen("A.inp","r",stdin);
    freopen("A.out","w",stdout);
    srand(time(0));
    int n,x;
    cin>>n>>x;
    encode(n,x);
    ii res=decode(n);
    cout<<res.fs<<" "<<res.sc;
    return 0;
}
#endif // SKY

• Subtask 1: 0 / 15
• Subtask 2: 0 / 85