oj.uz

답안 #543674

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
543674 2022-03-31T08:13:49 Z Sho10 Data Transfer (IOI19_transfer) C++17
40 / 100
 117 ms 2496 KB 
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
using ll=long long;
using ld=long double;
int const INF=1000000005;
ll const LINF=1000000000000000005;
ll const mod=1000000007;
ld const PI=3.14159265359;
ll const MAX_N=3e5+5;
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define endl '\n'
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
vector<int> get_attachment(vector<int>source){
ll xr=0,cnt=0;
for(ll i=0;i<source.size();i++)
{
    if(source[i]==1){
        xr^=(i+1);
        cnt++;
    }
}
vector<int>g;
g.pb(cnt%2);
if(source.size()==255){
for(int i=0;i<=7;i++)
{
if((1ll<<i)&xr){
    g.pb(1);
}else g.pb(0);
}
}
return g;
}
vector<int> retrieve(vector<int>data){

if(data.size()>=200){
    ll x=data[255];
    ll cnt=0;
    ll xr=0;
    for(ll i=0;i<255;i++)
    {
        if(data[i]==1){
            cnt++;
            xr^=(i+1);
        }
    }
    vector<int>res;
    if(cnt%2==x){
for(ll i=0;i<255;i++)
{
    res.pb(data[i]);
}
return res;
    }
    for(ll i=256;i<data.size();i++)
    {
        if(data[i]==1){
            xr^=(1ll<<(i-256));
        }
    }
if(xr==0){
    for(ll i=0;i<255;i++)
    {
        res.pb(data[i]);
    }
    return res;
}
for(ll i=0;i<255;i++)
{
    res.pb(data[i]);
}
res[xr-1]^=1;
return res;
}
}
/*
int32_t main(){
CODE_START;
#ifdef LOCAL
    ifstream cin("input.txt");
#endif
*/

Compilation message

transfer.cpp: In function 'std::vector<int> get_attachment(std::vector<int>)':
transfer.cpp:20:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 | for(ll i=0;i<source.size();i++)
      |            ~^~~~~~~~~~~~~~
transfer.cpp: In function 'std::vector<int> retrieve(std::vector<int>)':
transfer.cpp:60:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |     for(ll i=256;i<data.size();i++)
      |                  ~^~~~~~~~~~~~
transfer.cpp:80:1: warning: control reaches end of non-void function [-Wreturn-type]
   80 | }
      | ^

Subtask #1
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 640 KB WA in grader: wrong source retrieval
2 Halted 0 ms 0 KB -

Subtask #2
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 2492 KB Output is correct
2 Correct 80 ms 2484 KB Output is correct
3 Correct 117 ms 2488 KB Output is correct
4 Correct 107 ms 2484 KB Output is correct
5 Correct 93 ms 2484 KB Output is correct
6 Correct 93 ms 2484 KB Output is correct
7 Correct 111 ms 2492 KB Output is correct
8 Correct 87 ms 2492 KB Output is correct
9 Correct 76 ms 2496 KB Output is correct
10 Correct 77 ms 2484 KB Output is correct
11 Correct 84 ms 2496 KB Output is correct
12 Correct 79 ms 2492 KB Output is correct
13 Correct 95 ms 2484 KB Output is correct
14 Correct 82 ms 2484 KB Output is correct
15 Correct 79 ms 2492 KB Output is correct
16 Correct 84 ms 2488 KB Output is correct
17 Correct 85 ms 2492 KB Output is correct
18 Correct 84 ms 2492 KB Output is correct
19 Correct 109 ms 2484 KB Output is correct