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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 |
---|---|---|---|---|---|---|---|---|---|
#555786 | #9237. Message | zhouhuanyi# | Compile Error | / | / | C++14 | 1.6kb | 2024-09-10 09:53:44 | 2024-09-10 09:53:44 |
Judging History
answer
#include "message.h"
#include<iostream>
#include<cstdio>
#include<cstdlib>
using namespace std;
const __int128 mod=((__int128)(1)<<69)-19;
bool rd[11][31],used[31],delta[1025];
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;
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;
for (int i=1;i<=10;++i)
for (int j=0;j<=30;++j)
rd[i][j]=get_rand();
for (int i=1;i<=10;++i)
{
p.clear();
for (int j=0;j<=30;++j)
{
if (C[j]) p.push_back(get_rand());
else p.push_back(rd[i][j]);
}
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;
vector<bool>p;
seed=998244353;
for (int i=0;i<=1024;++i) delta[i]=0;
for (int i=1;i<=10;++i)
for (int j=0;j<=30;++j)
rd[i][j]=get_rand();
for (int i=0;i<=30;++i) used[i]=1;
for (int i=1;i<=10;++i)
for (int j=0;j<=30;++j)
used[j]&=(R[i-1][j]==rd[i][j]);
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;
}
详细
stub.cpp: In function ‘int {anonymous}::sz(const C&)’: stub.cpp:27:52: error: ‘size’ is not a member of ‘std’; did you mean ‘size_t’? 27 | template<class C> int sz(const C& c) { return std::size(c); } | ^~~~ | size_t stub.cpp: In function ‘void {anonymous}::write_int_array(const int*, int)’: stub.cpp:70:13: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ 70 | if (int ret = fwrite(arr, sizeof(int), len, fout); len != ret) { | ^~~ stub.cpp: In function ‘void {anonymous}::read_int_array(int*, int)’: stub.cpp:105:13: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ 105 | if (int ret = fread(arr, sizeof(int), len, fin); len != ret) { | ^~~