Submission #1231709

#TimeUsernameProblemLanguageResultExecution timeMemory
1231709LeonidCukMessage (IOI24_message)C++17
100 / 100
414 ms852 KiB
#include "message.h" #include <bits/stdc++.h> using namespace std; void send_message(vector<bool> M,vector<bool> C) { vector<vector<bool>>res(66,vector<bool>(31)); vector<int>koj; for(int i=0;i<31;i++)if(!C[i])koj.push_back(i); M.push_back(1); while(M.size()<1025) { M.push_back(0); } int l=0; for(int i=0;i<16;i++) { int x,a=koj[i]; if(i!=15)x=koj[i+1]-koj[i]-1; else x=koj[0]+31-koj[i]-1; res[x][a]=1; for(int j=x+1;j<66;j++) { res[j][a]=M[l];l++; } } for(int i=0;i<66;i++) { send_packet(res[i]); } } vector<bool> receive_message(vector<vector<bool>> v) { vector<int>koj,dli(31); for(int i=0;i<31;i++) { for(int j=0;j<66;j++) { if(v[j][i]) { dli[i]=j+1;break; } } } for(int i=0;i<31;i++) { int sum=1,a=(i+dli[i])%31; while(a!=i) { if(dli[a]==0) { sum=0;break; } if(sum>16)break; sum++; a=(a+dli[a])%31; } if(sum==16) { koj.push_back(i); } } vector<bool>res; for(int i=0;i<16;i++) { int a=koj[i]; for(int j=dli[a];j<66;j++) { res.push_back(v[j][a]); } } while(res.back()==0) { res.pop_back(); } res.pop_back(); return res; }
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