Submission #1016323

#	Time	Username	Problem	Language	Result	Execution time	Memory
1016323		amirhoseinfar1385	Last supper (IOI12_supper)	C++17	100 / 100	140 ms	12212 KiB

advisor

#include "advisor.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000;
set<pair<int,int>>st;
set<int>wtf;
int n,k,m,lgk;
int allk[maxn],nxt[maxn],last[maxn],go[maxn],wh[maxn],ret[maxn*2],tof[maxn*2];

void wri(int x){
  for(int i=0;i<=lgk;i++){
    WriteAdvice((x>>i)&1);
  }
}
void ComputeAdvice(int *C, int N, int K, int M) {
  for(int i=0;i<20;i++){
    if((K>>i)&1){
      lgk=i;
    }
  }
  n=N;
  k=K;
  m=M;
  for(int i=0;i<maxn;i++){
    last[i]=n+1;
  }
  for(int i=n-1;i>=0;i--){
    nxt[i]=last[C[i]];
    last[C[i]]=i;
  }
  for(int i=0;i<k;i++){
    allk[i]=i;
    wtf.insert(i);
    go[i]=last[allk[i]];
    wh[i]=i;
    tof[i]=i;
    st.insert(make_pair(last[allk[i]],i));
  }
  for(int i=0;i<N;i++){
    if(wtf.count(C[i])==1){
      tof[wh[C[i]]]=i+k;
      st.erase(make_pair(go[wh[C[i]]],wh[C[i]]));
      go[wh[C[i]]]=nxt[i];
      st.insert(make_pair(nxt[i],wh[C[i]]));
      continue;
    }
    int z=(*st.rbegin()).second;
    //wri(z);
    st.erase((*st.rbegin()));
    wtf.erase(allk[z]);
    ret[tof[z]]=1;
    tof[z]=i+k;
    wh[C[i]]=z;
    go[z]=nxt[i];
    allk[z]=C[i];
    wtf.insert(C[i]);
    st.insert(make_pair(nxt[i],z));
  }
  for(int i=0;i<n*2;i++){
      WriteAdvice(ret[i]);
  }
}

assistant

#include "assistant.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10;
int all[maxn],lgk2,n2,k2,r2;
set<int>st2;

void Assist(unsigned char *A, int N, int K, int R) {
   //cout<<"ajab: "<<R<<endl;
   //for(int i=0;i<R;i++){
    //cout<<(int)A[i]<<" ";
   //}
   //cout<<"\n";
   for(int i=0;i<20;i++){
    if((K>>i)&1){
      lgk2=i;
    }
  }
  n2=N;
  k2=K;
  r2=R;
  vector<int>khor;
  for(int i=0;i<k2;i++){
    all[i]=i;
    st2.insert(i);
    if(A[i]==1){
      khor.push_back(i);
    }
  }
  int now=k2;
  int unnow=0;
  for(int i=0;i<n2;i++){
    int req=GetRequest();
    if(st2.count(req)==1){
      if(A[now]==0){
       //hehe
      }else{
        khor.push_back(req);
      }
      now++;
      continue;
    }
    int x=0;
    if(unnow>=R){
      assert(0);
    }
//    for(int i=0;i<=lgk2;i++){
  //    if(A[unnow]==1){
 //       x+=(1<<i);
   //   }
 //     unnow++;
   // }
   PutBack(khor.back());
   st2.erase(khor.back());
   //cout<<"gahbl: "<<(int)khor.size()<<endl;
   //cout<<"wtf: "<<khor.back()<<endl;
   khor.pop_back();
   st2.insert(req);
    if(A[now]==0){
      //hehe
    }else{
      khor.push_back(req);
    }
    now++; 
  }
}

Compilation message (stderr)

assistant.cpp: In function 'void Assist(unsigned char*, int, int, int)':
assistant.cpp:43:9: warning: unused variable 'x' [-Wunused-variable]
   43 |     int x=0;
      |         ^

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 35 / 35
• Subtask 5: 39 / 39