Submission #1310821

#	Time	Username	Problem	Language	Result	Execution time	Memory
1310821		lizi14	Data Transfer (IOI19_transfer)	C++20	60 / 100	5 ms	580 KiB

transfer

#include "transfer.h"
#include <bits/stdc++.h>
using namespace std;
vector<int>get_attachment(vector<int>source){
    int N=source.size();
    vector<int>k;
    if(N==256){
        k={0,0,0,0,0,0,0,0};
    }
    else k={0,0,0,0,0,0};
    int bati=0;
    for(int i=1; i<=N; i++){
        if(source[i-1]==1){
            bati^=i;
        }
    }
    vector<int>h;
    for(int i=0; i<=log2(bati); i++){
        if(bati&(1ULL<<i))h.push_back(1);
        else h.push_back(0);
    }
    int ixvi=0;
    for(int i=0; i<h.size(); i++){
        k[i]=h[i];
        if(h[i]==1)ixvi++;
    }
    vector<int>dataa;
    //dataa=source;
    //cout<<bati<<endl;
    for(int i=0; i<k.size(); i++){
        dataa.push_back(k[i]);
        //cout<<k[i]<<" ";
    }
    //cout<<endl;
    //data=data+(k.begin(), k.end());
    if(ixvi%2==0)dataa.push_back(0);
    else dataa.push_back(1);
    
    // for(auto a:dataa){
    //     cout<<a<<" ";
    // }
    // cout<<endl;
    return dataa;
	//return { 0, 1, 0 };
	
}

vector<int>retrieve(vector<int>data){
    // for(auto a:data){
    //     cout<<a<<" ";
    // }
    //cout<<endl;
    int bati=0;
    int ka;
    //cout<<data.size()<<endl;
    if(data.size()>=100)ka=9;
    else ka=7;
    int N=data.size()-ka;
    //cout<<N<<endl;
    for(int i=1; i<=N; i++){
        if(data[i-1]==1){
            bati^=i;
        }
    }
    int ixvi=0;
    int drnachvi=0;
    for(int i=N; i<N+ka-1; i++){
        if(data[i]==1){
            drnachvi++;
            ixvi+=(1<<(i-N));
        }
    }
    //cout<<ixvi<<endl;
    //cout<<bati<<endl;
    if(ixvi==bati){
        vector<int>v;
        for(int i=0; i<N; i++){
            v.push_back(data[i]);
        }
        return v;
    }
    int m=data.size();
    if(drnachvi%2==data[m-1]){
        int idex=ixvi^bati;
        vector<int>v;
        for(int i=0; i<N; i++){
            if(i==idex-1){
                v.push_back(1-data[i]);
                continue;
            }
            else{
                v.push_back(data[i]);
            }
        }
        return v;
    }
    else{
        vector<int>v;
        for(int i=0; i<N; i++){
            v.push_back(data[i]);
        }
        return v;
    }
	//return vector<int>(data.begin(), data.end()-3);
}

Compilation message (stderr)

grader.cpp: In instantiation of 'void shuffle(std::vector<T>&) [with T = Scenario]':
grader.cpp:200:10:   required from here
grader.cpp:28:23: warning: 'void std::random_shuffle(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<Scenario*, vector<Scenario> >]' is deprecated: use 'std::shuffle' instead [-Wdeprecated-declarations]
   28 |         random_shuffle(v.begin(), v.end());
      |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61,
                 from grader.cpp:8:
/usr/include/c++/13/bits/stl_algo.h:4581:5: note: declared here
 4581 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~~~~~~~~~~~

• Subtask 1: 60 / 60
• Subtask 2: 0 / 40