Submission #1236084

#TimeUsernameProblemLanguageResultExecution timeMemory
1236084guanexBroken Device (JOI17_broken_device)C++20
81 / 100
19 ms1556 KiB
#include "Annalib.h" #include<bits/stdc++.h> using namespace std; void Anna( int N, long long X, int K, int P[] ){ vector<int> vec; for(int i = 0; i < 61; ++i){ if(X & (1LL << i)){ vec.push_back(1); }else{ vec.push_back(0); } } while((int)vec.size() >= 1 && vec[(int)vec.size()-1] == 0){ vec.pop_back(); } if((int)vec.size() % 2 == 1){ vec.push_back(0); } vector<int> message(N, 1); for(int i = 0; i < K; ++i){ message[P[i]] = 0; } int j = 0; for(int i = 0; i < N; ++i){ if(j > (int)vec.size()){ Set(i, 0); continue; } if(i == N-1){ Set(i, 0); continue; } if(vec[j] == 0){ if(vec[j+1] == 1){ if(i % 2 == 0){ if(message[i] == 1 && message[i+1] == 1){ Set(i, 1); Set(i+1, 1); i++; j += 2; }else{ Set(i, 0); continue; } }else{ Set(i, 0); continue; } }else{ if(i % 2 == 0){ if(message[i] == 1){ Set(i, 1); Set(i+1, 0); i++; j+=2; }else{ Set(i, 0); continue; } }else{ Set(i, 0); continue; } } }else{ if(vec[j+1] == 1){ if(i % 2 == 1){ if(message[i] == 1 && message[i+1] == 1){ Set(i, 1); Set(i+1, 1); i++; j += 2; }else{ Set(i, 0); continue; } }else{ Set(i, 0); continue; } }else{ if(i % 2 == 1){ if(message[i] == 1){ Set(i, 1); Set(i+1, 0); i++; j+=2; }else{ Set(i, 0); continue; } }else{ Set(i, 0); continue; } } } } }
#include "Brunolib.h" #include<bits/stdc++.h> using namespace std; long long Bruno( int N, int A[] ){ long long ans = 0; long long pot = 1; for(int i = 0; i < N; ++i){ if(A[i] == 1){ if(i % 2 == 1){ if(A[i+1] == 1){ ans += (pot * 3); }else{ ans += pot; } }else{ if(A[i+1] == 1){ ans += pot*2; } } i++; pot *= 4; } } return ans; }
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