Submission #272184

#TimeUsernameProblemLanguageResultExecution timeMemory
272184gs18115Last supper (IOI12_supper)C++14
100 / 100
194 ms8952 KiB
#include"advisor.h"
#include<iostream>
#include<vector>
#include<map>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
void ComputeAdvice(int*C,int N,int K,int M)
{
    map<pi,int,greater<pi> >st;
    vector<int>v(N,N);
    vector<int>nx=v;
    for(int i=N;i-->0;)
        nx[i]=v[C[i]],v[C[i]]=i;
    for(int i=0;i<K;i++)
        st[pi(v[i],i)]=i;
    vector<int>adv(N+K,1);
    for(int i=0;i<N;i++)
    {
        auto it=st.find(pi(i,C[i]));
        if(it==st.end())
        {
            it=st.begin();
            adv[it->se]=0;
        }
        st.erase(it);
        st[pi(nx[i],C[i])]=K+i;
    }
    for(auto t:st)
        adv[t.se]=0;
    for(int&t:adv)
        WriteAdvice(t);
    return;
}
#include"assistant.h"
#include<iostream>
#include<vector>
#include<queue>
#include<set>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
void Assist(unsigned char*A,int N,int K,int R)
{
    set<int>v1;
    queue<int>v2;
    for(int i=0;i<K;i++)
    {
        if(A[i]==1)
            v1.ep(i);
        else
            v2.ep(i);
    }
    for(int i=0;i<N;i++)
    {
        int c=GetRequest();
        auto it=v1.find(c);
        if(it==v1.end())
        {
            PutBack(v2.front());
            v2.pop();
        }
        else
            v1.erase(it);
        if(A[i+K]==1)
            v1.ep(c);
        else
            v2.ep(c);
    }
    return;
}
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