Submission #1297955

#TimeUsernameProblemLanguageResultExecution timeMemory
1297955scalifrastico_098Message (IOI24_message)C++20
0 / 100
240 ms796 KiB
#include "message.h" #include <bits/stdc++.h> using namespace std; vector<bool> l; void send_message(vector<bool> s, vector<bool> c) { int ij=s.size(), ik=0; vector<bool> k(ij), v(31, 1); l.assign(31, 0); while(c[ik]==1&&ik<31){send_packet(v); ik++;} while(ik<31) { if(c[ik]==0){l[ik]=1;} for(int i=0; i<31; i++) { if(l[i]==1){v[i]=c[ik]; ik++;} } send_packet(v); } for(int i=0; i<31; i++) { if(c[i]==0){vector<bool> v(31, 0); send_packet(v);} else{vector<bool> v(31, 1); send_packet(v);} } vector<int> mi; for(int i=0; i<31; i++){if(c[i]==0)mi.push_back(i);} vector<bool> ne; int sz=s.size()+4, r1=16-(sz%16); r1%=16; for(int i=0; i<4; i++){ne.push_back((r1&1)); r1>>=1;} for(int i=0; i<s.size(); i++)ne.push_back(s[i]); r1=16-(sz%16); r1%=16; for(int i =0; i<r1; i++) { ne.push_back(0); } int to=ne.size()/16, pr=0; for(int i=0; i<to; i++) { vector<bool> ts(31, 0); for(int j=0; j<16; j++)ts[mi[j]]=ne[i*16+j]; send_packet(ts); } } vector<bool> receive_message(vector<vector<bool>> r) { vector<bool> h; int ij=r.size(),ik; vector<int> k; for(int i=0; i<31&&i<ij; i++) { for(int j=0; j<31; j++) { if(l[j]){if(!r[i][j])k.push_back(j);} } } vector<bool> a; for(int i=31; i<ij; i++) { for(auto x: k){a.push_back(r[i][x]);} } if(a.size()<4) return h; int y=0;for(int i=3; i>=0; i--){y<<=1; if(a[i])y+=1;} int ty=a.size(); for(int i=4; i<ty-y; i++)h.push_back(a[i]); return h; }
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