# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
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914426 | 2024-01-22T05:53:17 Z | Ghulam_Junaid | 최후의 만찬 (IOI12_supper) | C++17 | 0 ms | 0 KB |
#include <bits/stdc++.h> // #include "grader.cpp" #include "grader.h" using namespace std; void ComputeAdvice(int *C, int N, int K, int M){ int lg = 0; for (int i=0; i<20; i++){ if ((1 << i) > N){ lg = i; break; } } vector<int> g[N]; int use[N] = {0}; for (int i=0; i<N; i++) g[i].push_back(N + 1); for (int i=N-1; i>=0; i--) g[C[i]].push_back(i); for (int i=0; i<N; i++) use[i] = g[i].back(); set<pair<int, int>> st; for (int i=0; i<K; i++) st.insert({use[i], i}); for (int i=0; i<N; i++){ if (st.find({use[C[i]], C[i]}) != st.end()){ st.erase({use[C[i]], C[i]}); g[C[i]].pop_back(); use[C[i]] = g[C[i]].back(); st.insert({use[C[i]], C[i]}); continue; } auto p = *st.rbegin(); int c = p.second; g[c].pop_back(); if (g[c].size()) use[c] = g[c].back(); for (int j=0; j<lg; j++){ if ((1 << j) & c){ WriteAdvice(1); } else{ WriteAdvice(0); } } // cout << "erasing " << c << " and getting " << C[i] << endl; st.erase(p); g[C[i]].pop_back(); use[C[i]] = g[C[i]].back(); st.insert({use[C[i]], C[i]}); } } void Assist(unsigned char *A, int N, int K, int R){ int lg = 0; for (int i=0; i<20; i++){ if ((1 << i) > N){ lg = i; break; } } set<int> st; for (int i=0; i<K; i++) st.insert(i); // cout << endl; int ind = 0; for (int i=0; i<N; i++){ int x = GetRequest(); if (st.find(x) != st.end()) continue; int c = 0; for (int j=0; j<lg; j++) if ((int)A[ind + j]) c += (1 << j); PutBack(c); st.erase(c); st.insert(x); // cout << "putting back " << c << endl; ind += lg; } }