Submission #1022789

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022789		boyliguanhan	Last supper (IOI12_supper)	C++17	0 / 100	16 ms	4400 KiB

advisor

#include "advisor.h"
#include<bits/stdc++.h>
using namespace std;
bitset<500100>onf;
void RADV(int y,int bt){
    for(int i=0;i<bt;i++)
        WriteAdvice(y&1<<i);
}
void ComputeAdvice(int *C, int N, int K, int M) {
    vector<int>nxt(N),lst(N,N),plat(K);
    iota(plat.begin(),plat.end(),0);
    C[N]=N;
    for(int i=N;i--;)
        nxt[i]=lst[C[i]],
        lst[C[i]]=i;
    set<pair<int,int>> st;
    for(auto i:plat)onf[i]=1,
        st.insert({lst[i],i});
    int df=log2(2*K-1);
    for(int i=0;i<N;i++){
        if(onf[C[i]])continue;
        onf[C[i]]=1;
        auto[x,y]=*--st.end();
        st.erase({x,y});
        st.insert({nxt[i],y});
        onf[C[x]]=0;
        RADV(y,df);
    }
}

assistant

#include "assistant.h"
#include<bits/stdc++.h>
using namespace std;
bitset<500100>on;
void Assist(unsigned char *A, int N, int K, int R) {
    vector<int>platter(K);
    iota(platter.begin(),platter.end(),0);
    for(auto i:platter)on[i]=1;
    int C=0,yy=log2(2*K-1);
    for(int i=0;i<N;i++){
        int x=GetRequest();
        if(on[x]) continue;
        int k=0;
        for(int c=0;c<yy;c++)
            k+=A[c+C]<<c;
        C+=yy;
        PutBack(platter[k]);
        on[platter[k]]=0;
        platter[k]=x;
        on[x]=1;
    }

}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 35
• Subtask 5: 0 / 39