제출 #1117054

#제출 시각아이디문제언어결과실행 시간메모리
1117054gustavo_dICC (CEOI16_icc)C++17
7 / 100
215 ms760 KiB
#include "icc.h" #include <bits/stdc++.h> using namespace std; const int MAXN = 100; vector<int> adj[MAXN+1]; bool vis[MAXN+1]; void dfs(int v) { vis[v] = true; for (int viz : adj[v]) { if (!vis[viz]) dfs(viz); } } // TODO: estudar flag pra debugar interativo // void setRoad(int a, int b) { // cout << "report" << a << ' ' << b << endl; // }; int do_query(vector<int> a, vector<int> b) { int tmp[MAXN], tmp2[MAXN]; for (int i=0; i<(int)a.size(); i++) tmp[i] = a[i]; for (int i=0; i<(int)b.size(); i++) tmp2[i] = b[i]; // for (int i : a) cout << i << ' '; // cout << endl; // for (int i : b) cout << i << ' '; // cout << endl; // int v; cin >> v; // return v; return query((int)a.size(), (int)b.size(), tmp, tmp2); } void run(int N) { srand(time(0)); int n = N; for (int e=0; e<n-1; e++) { // bool found = false; // for (int a=1; a<=n and !found; a++) { // for (int b=a+1; b<=n and !found; b++) { // if (do_query(vector<int> (1, a), vector<int> (1, b))) { // setRoad(a, b); // found = true; // } // } // } vector<int> src(n); for (int i=0; i<n; i++) src[i] = i+1; random_shuffle(src.begin(), src.end()); int a = 0; vector<int> dest; for (int v : src) { dfs(v); for (int i=1; i<=n; i++) { if (!vis[i]) dest.push_back(i); } for (int i=1; i<=n; i++) vis[i] = false; a = v; if (do_query(vector<int> (1, v), dest)) break; dest.clear(); } while (dest.size() > 1) { vector<int> dest2; for (int i=0; i<(int)dest.size() / 2; i++) { dest2.push_back(dest[i]); } if (do_query(vector<int> (1, a), dest2)) { swap(dest, dest2); } else { reverse(dest.begin(), dest.end()); while(!dest2.empty()) { dest2.pop_back(); dest.pop_back(); } } } int b = dest[0]; setRoad(a, dest[0]); adj[a].push_back(b); adj[b].push_back(a); } } // int main() { // int n; cin >> n; // run(n); // return 0; // }
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