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 |
---|---|---|---|---|---|---|---|---|---|
#556252 | #9237. Message | zhouhuanyi | 0 | 255ms | 4084kb | C++17 | 2.8kb | 2024-09-10 16:13:23 | 2024-09-10 16:13:24 |
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],tong[N+1],length;
bool used[32],delta[1025],nprime[N+1];
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=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<=15;++i)
if (!C[i])
rst|=(1<<i);
for (int i=16;i<=30;++i)
if (!C[i])
rst2|=(1<<(i-16));
for (int i=1;i<=6;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (!C[j]) p.push_back(((rst%tong[j+1])>>(i-1))&1);
else p.push_back(get_rand());
}
send_packet(p);
}
for (int i=1;i<=6;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (!C[j]) p.push_back(((rst2%tong[j+1])>>(i-1))&1);
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=0,rst2=0,cnt;
vector<bool>p;
seed=998244353,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<=6;++i)
for (int j=0;j<=30;++j)
if (R[i-1][j])
r[j+1]|=(1<<(i-1));
for (int i=0;i<(1<<16);++i)
{
cnt=0;
for (int j=1;j<=31;++j) cnt+=(i%tong[j]==r[j]);
if (cnt>=16) rst=i;
}
for (int i=1;i<=31;++i) r[i]=0;
for (int i=1;i<=6;++i)
for (int j=0;j<=30;++j)
if (R[i+5][j])
r[j+1]|=(1<<(i-1));
for (int i=0;i<(1<<15);++i)
{
cnt=0;
for (int j=1;j<=31;++j) cnt+=(i%tong[j]==r[j]);
if (cnt>=16) rst2=i;
}
for (int i=0;i<=15;++i) used[i]=(rst>>i)&1;
for (int i=16;i<=30;++i) used[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+11][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;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 255ms
memory: 4084kb
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: 0
Wrong Answer
time: 215ms
memory: 4008kb
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