QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#556858 | #9237. Message | zhouhuanyi | 0 | 871ms | 4324kb | C++17 | 3.9kb | 2024-09-10 21:31:27 | 2024-09-10 21:31:28 |
Judging History
answer
#include "message.h"
#include<iostream>
#include<cstdio>
#include<cstdlib>
#define N 32
using namespace std;
const __int128 mod=((__int128)(1)<<69)-19;
int r[32],sp[31],cnt[1<<16],rd[30][32],tong[N+1],length;
bool used[32],delta[1025],nprime[N+1],vis[1<<16];
unsigned long long seed;
bool get_rand()
{
seed^=(seed<<7);
seed^=(seed<<13);
seed^=(seed>>19);
return seed&1;
}
void send_message(std::vector<bool> M, std::vector<bool> C)
{
int ps=-1,rst=0,rst2=0;
vector<bool>p;
seed=998244353;
for (int i=1;i<=10;++i)
for (int j=0;j<=30;++j)
rd[i][j]=get_rand();
for (int i=0;i<=1024;++i) delta[i]=0;
for (int i=0;i<M.size();++i) delta[i]=M[i];
delta[M.size()]=1,length=0;
for (int i=1;i<=N;++i) nprime[i]=0;
for (int i=2;i<=N;++i)
if (!nprime[i])
{
for (int j=(i<<1);j<=N;j+=i) nprime[j]=1;
}
for (int i=N;i>=2;--i)
if (!nprime[i])
{
for (int j=1;j<=4;++j)
if (length+1<=31)
tong[++length]=i;
}
for (int i=0;i<=30;++i) sp[i]=i;
for (int i=1;i<30;++i) swap(sp[i],sp[seed%i]);
for (int i=0;i<=15;++i)
if (!C[sp[i]])
rst|=(1<<i);
for (int i=16;i<=30;++i)
if (!C[sp[i]])
rst2|=(1<<(i-16));
for (int i=1;i<=5;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (!C[j]) p.push_back((((rst%tong[j+1])>>(i-1))&1)^rd[i][j]);
else p.push_back(get_rand());
}
send_packet(p);
}
for (int i=1;i<=5;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (!C[j]) p.push_back((((rst2%tong[j+1])>>(i-1))&1)^rd[i+5][j]);
else p.push_back(get_rand());
}
send_packet(p);
}
for (int i=1;i<=66;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (C[j]) p.push_back(get_rand());
else if (ps+1<=1024) p.push_back(delta[++ps]);
else p.push_back(get_rand());
}
send_packet(p);
}
return;
}
std::vector<bool> receive_message(std::vector<std::vector<bool>> R)
{
int ps=-1,rst=-1,rst2=-1;
vector<bool>p;
vector<int>A;
vector<int>B;
seed=998244353;
for (int i=1;i<=10;++i)
for (int j=0;j<=30;++j)
rd[i][j]=get_rand();
for (int i=0;i<=1024;++i) delta[i]=0;
length=0;
for (int i=1;i<=N;++i) nprime[i]=0;
for (int i=2;i<=N;++i)
if (!nprime[i])
{
for (int j=(i<<1);j<=N;j+=i) nprime[j]=1;
}
for (int i=N;i>=2;--i)
if (!nprime[i])
{
for (int j=1;j<=4;++j)
if (length+1<=31)
tong[++length]=i;
}
for (int i=0;i<=1024;++i) delta[i]=0;
for (int i=1;i<=31;++i) r[i]=0;
for (int i=1;i<=5;++i)
for (int j=0;j<=30;++j)
if (R[i+4][j]^rd[i+5][j])
r[j+1]|=(1<<(i-1));
for (int i=0;i<(1<<16);++i) cnt[i]=0;
for (int i=1;i<=31;++i) r[i]=0;
for (int i=1;i<=5;++i)
for (int j=0;j<=30;++j)
if (R[i-1][j]^rd[i][j])
r[j+1]|=(1<<(i-1));
for (int i=1;i<=31;++i)
for (int j=r[i];j<(1<<16);j+=tong[i])
cnt[j]++;
for (int i=0;i<(1<<16);++i)
if (cnt[i]>=16)
A.push_back(i);
for (int i=0;i<(1<<15);++i) cnt[i]=0;
for (int i=1;i<=31;++i) r[i]=0;
for (int i=1;i<=5;++i)
for (int j=0;j<=30;++j)
if (R[i+4][j]^rd[i+5][j])
r[j+1]|=(1<<(i-1));
for (int i=1;i<=31;++i)
for (int j=r[i];j<(1<<15);j+=tong[i])
cnt[j]++;
for (int i=0;i<(1<<15);++i)
if (cnt[i]>=16)
B.push_back(i);
for (int i=0;i<A.size();++i)
for (int j=0;j<B.size();++j)
if (__builtin_popcount(A[i])+__builtin_popcount(B[j])==16)
rst=A[i],rst2=B[j];
for (int i=1;i<=31;++i) r[i]=0;
for (int i=1;i<=5;++i)
for (int j=0;j<=30;++j)
if (R[i+4][j]^rd[i+5][j])
r[j+1]|=(1<<(i-1));
for (int i=0;i<=30;++i) sp[i]=i;
for (int i=1;i<30;++i) swap(sp[i],sp[seed%i]);
for (int i=0;i<=15;++i) used[sp[i]]=(rst>>i)&1;
for (int i=16;i<=30;++i) used[sp[i]]=(rst2>>(i-16))&1;
for (int i=1;i<=66;++i)
for (int j=0;j<=30;++j)
if (used[j]&&ps+1<=1024)
delta[++ps]=R[i+9][j];
for (int i=ps;i>=0;--i)
if (delta[i])
{
for (int j=0;j<=i-1;++j) p.push_back(delta[j]);
break;
}
return p;
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 5.987
Acceptable Answer
time: 865ms
memory: 3980kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #2:
score: 5.987
Acceptable Answer
time: 858ms
memory: 4292kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #3:
score: 5.987
Acceptable Answer
time: 861ms
memory: 4132kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #4:
score: 5.987
Acceptable Answer
time: 871ms
memory: 4104kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #5:
score: 0
Wrong Answer
time: 202ms
memory: 4040kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0 ing with message 'decoded message is incorrect' Sending secret with code DIE to mgr2sol[1] Quitting with result code 1
result:
wrong output format Extra information in the output file
Subtask #2:
score: 0
Wrong Answer
Test #8:
score: 53.883
Acceptable Answer
time: 867ms
memory: 4100kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #9:
score: 53.883
Acceptable Answer
time: 857ms
memory: 4136kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #10:
score: 53.883
Acceptable Answer
time: 867ms
memory: 4040kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #11:
score: 53.883
Acceptable Answer
time: 871ms
memory: 4324kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0.5987
result:
points 0.5987
Test #12:
score: 0
Wrong Answer
time: 180ms
memory: 4324kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0 ing with message 'decoded message is incorrect' Sending secret with code DIE to mgr2sol[1] Quitting with result code 1
result:
wrong output format Extra information in the output file