Submission #623464

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
623464	2022-08-05 16:08:27	lcj	Data Transfer (IOI19_transfer)	C++17	40 / 100	274 ms	2588 KiB

transfer

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#include "transfer.h"
std::vector<int> get_attachment(vector<int> source) {
    int n = source.size();
    int k;
    if (n == 63) {
        k = 6;
    }
    else {
        k = 8;
    }
    vector<int> at(k+1, 0);
    for (int i = 1; i <= n; i++)
    {
        for (int j = 0; j < k; j++)
        {
            if (i & (1 << j)) {
                at[j] ^= source[i-1];
            }
        }
    }
    for (int i = 0; i < k; i++)
 
 
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Compilation message (stderr)

transfer.cpp: In function 'std::vector<int> retrieve(std::vector<int>)':
transfer.cpp:48:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for (int i = n; i <= data.size(); i++)
      |                     ~~^~~~~~~~~~~~~~

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