제출 #920406

#제출 시각아이디문제언어결과실행 시간메모리
920406Lalic앵무새 (IOI11_parrots)C++17
98 / 100
8 ms1824 KiB
#include <bits/stdc++.h> #include "encoder.h" #include "encoderlib.h" #define pb push_back using namespace std; void encode(int N, int M[]) { vector<int> mesAct, mesInact={0, 0, 0, 0}; for(int i=0;i<N;i++){ for(int j=0;j<8;j++){ int pos=i, id=j>>1; //cout << pos << " " << id << "\n"; if(!(M[i]&(1<<j))){ if(j&1) mesInact.pb(pos+(id<<6)); mesInact.pb(pos+(id<<6)); } else{ if(j&1) mesAct.pb(pos+(id<<6)); mesAct.pb(pos+(id<<6)); } } } //cout << (int)mesAct.size() << " X " << (int)mesInact.size() << "\n"; if((int)mesAct.size()<(int)mesInact.size()){ for(auto u : mesAct) send(u); } else{ for(auto u : mesInact) send(u); } }
#include <bits/stdc++.h> #include "decoder.h" #include "decoderlib.h" #define all(x) x.begin(), x.end() using namespace std; void decode(int N, int L, int X[]) { vector<int> arr; vector<int> ent(L); for(int i=0;i<L;i++) ent[i]=X[i]; sort(all(ent)); bool flag=0; int id=0; if(L>=4 && ent[3]==0) arr.assign(N, 255), id=4, flag=1; else arr.assign(N, 0); //for(int i=0;i<N;i++) cout << arr[i] << " \n"[i==N-1]; for(;id<L;id++){ int u=ent[id]; int p=u%(1<<6), val=(u/(1<<6))<<1; //cout << u << "\t" << p << "\t" << val << "\n"; if(flag) arr[p]-=(1<<val); else arr[p]+=(1<<val); } //for(int i=0;i<N;i++) cout << arr[i] << " \n"[i==N-1]; for(int i=0;i<N;i++) output(arr[i]); }
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