Submission #1311124

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311124		putuputu	Data Transfer (IOI19_transfer)	C++20	0 / 100	7 ms	3252 KiB

transfer

#include "transfer.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> get_attachment(vector<int> source) {
    int xr=0;
	vector<int>bit;
    for(int i=0; i<(int)source.size(); i++){
        if(source[i]==1){
            xr^=i;
        }
    }
    while(xr>0){
        if(xr%2==1){
            bit.push_back(1);
            xr=(xr-1)/2;
        }else{
            bit.push_back(0);
            xr/=2;
        }
    }
    int cnt1=0;
    for(int i=0; i<(int)bit.size(); i++){
        if(bit[i]==1){
            cnt1++;
        }
    }
    if(cnt1%2==1){
        cnt1=1;
    }else{
        cnt1=0;
    }
    vector<int> ans=source;
    for(int i=0; i<(int)bit.size(); i++){
        ans.push_back(bit[i]);
    }
    ans.push_back(cnt1);
    return ans;
}
vector<int> retrieve(vector<int> data) {
    int sz=0;
    if((int)data.size()<255){
        sz=63;
    }else{
        sz=255;
    }
    int cnt1=0;
    for(int i=sz; i<(int)data.size()-2; i++){
        if(data[i]==1){
            cnt1++;
        }
    }
    vector<int> ans;
    if((cnt1%2)!=data[(int)data.size()-1]){
        for(int i=0; i<sz;i++){
            ans.push_back(data[i]);
        }
    }
    int xr=0;
    for(int i=0; i<sz; i++){
        if(data[i]==1){
            xr^=i;
        }
    }
    int xr1=0;
    for(int i=sz; i<(int)data.size()-2; i++){
        if(data[i]){
            xr1|=(1 << i);
        }
    }
    if(xr1==xr){
        for(int i=0; i<sz; i++){
            ans.push_back(data[i]);
        }
    }else{
        xr^=xr1;
        int idx=xr;
        if(data[idx]==0){
            data[idx]=1;
        }else{
            data[idx]=0;
        }
        for(int i=0; i<sz; i++){
            ans.push_back(data[i]);
        }
    }
    return ans;
}

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: 0 / 60
• Subtask 2: 0 / 40