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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#819012 | #9237. Message | dongyc666# | 0 | 4ms | 3908kb | C++17 | 1.0kb | 2024-12-18 11:38:45 | 2024-12-18 11:38:49 |
answer
#include<bits/stdc++.h>
#include "message.h"
using namespace std;
#define pb emplace_back
void send_message(vector<bool> Ans,vector<bool> C){
mt19937 rnd(114514);
int s1=0,s2=0;
for(int i=0;i<31;i++)s1|=C[i]<<i;
while(s1!=s2){
int x=rnd();
vector<bool>arr(31,0);
for(int j=0;j<31;j++)arr[j]=x>>j&1;
vector<bool>tmp=send_packet(arr);
for(int j=0;j<31;j++)
if(tmp[j]!=(x>>j&1))s2|=1<<j;
}
Ans.push_back(1);
while(Ans.size()<1025)Ans.pb(0);
int S=Ans.size(),now=0;
for(int i=1;i<=65;i++){
vector<bool>arr(31,0);
for(int j=0;j<31;j++)
if(!C[j]&&now<S)arr[j]=Ans[now++];
send_packet(arr);
}
// puts("-----");
}
vector<bool> receive_message(vector<vector<bool> > R){
mt19937 rnd(114514);
int s=0;
for(int i=0;i<R.size()-65;i++){
int x=rnd();
for(int j=0;j<31;j++)
if(R[i][j]!=((x>>j)&1))s|=1<<j;
}
vector<bool>Ans;
for(int i=R.size()-65;i<R.size();i++)
for(int j=0;j<31;j++)
if(!((s>>j)&1))Ans.pb(R[i][j]);
while(!Ans.back())Ans.pop_back();
Ans.pop_back();
return Ans;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 4ms
memory: 3908kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0 ing with message 'Used too many days' Sending secret with code DIE to mgr2sol[0] 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: 1ms
memory: 3780kb
Manager to Aisha
Aisha to Manager
Manager to Basma
Basma to Manager
Manager to Checker
0 ing with message 'Used too many days' Sending secret with code DIE to mgr2sol[0] Sending secret with code DIE to mgr2sol[1] Quitting with result code 1
result:
wrong output format Extra information in the output file