Submission #948860

#TimeUsernameProblemLanguageResultExecution timeMemory
948860phoenix0423ICC (CEOI16_icc)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> pll; #define fastio ios::sync_with_stdio(false), cin.tie(0) #define pb push_back #define eb emplace_back #define f first #define s second #define lowbit(x) x&-x // #include "icc.h" const int maxn = 105; int n; int par[maxn]; int root(int x){ return x == par[x] ? x : par[x] = root(par[x]);} vector<int> comp[maxn]; set<pair<vector<int>, vector<int>>> used; bool qry(int sa, int sb, vector<int> a, vector<int> b){ int aa[a.size()], bb[b.size()]; copy(a.begin(), a.end(), aa), copy(b.begin(), b.end(), bb); return query(sa, sb, aa, bb); } void run(int _n){ n = _n; for(int i = 1; i <= n; i++) comp[i].pb(i), par[i] = i; random_device rd; mt19937 rng(rd()); for(int rd = 0; rd < n - 1; rd++){ used.clear(); vector<int> cand; for(int i = 1; i <= n; i++) if(root(i) == i) cand.pb(i); vector<vector<int>> s(2); bool c = false; shuffle(cand.begin(), cand.end(), rng); int lg = 0; while(!c){ s[0].clear(), s[1].clear(); for(int i = 0; i < cand.size(); i++){ for(auto u : comp[cand[i]]) s[i >> lg & 1].pb(u); } if(!s[0].size() || !s[1].size()) continue; c = qry(s[0].size(), s[1].size(), s[0], s[1]); lg++; } int l = 0, r = s[0].size() - 1; while(l != r){ int m = (l + r) / 2; vector<int> ns; for(int i = l; i <= m; i++) ns.pb(s[0][i]); c = qry(ns.size(), s[1].size(), ns, s[1]); if(c) r = m; else l = m + 1; } vector<int> tmp(1, s[0][l]); swap(s[0], tmp); l = 0, r = s[1].size() - 1; while(l != r){ int m = (l + r) / 2; vector<int> ns; for(int i = l; i <= m; i++) ns.pb(s[1][i]); c = qry(1, ns.size(), s[0], ns); if(c) r = m; else l = m + 1; } setRoad(s[0][0], s[1][l]); int a = root(s[0][0]), b = root(s[1][l]); par[a] = b; for(auto x : comp[a]) comp[b].pb(x); } }

Compilation message (stderr)

icc.cpp: In function 'bool qry(int, int, std::vector<int>, std::vector<int>)':
icc.cpp:22:9: error: 'query' was not declared in this scope; did you mean 'qry'?
   22 |  return query(sa, sb, aa, bb);
      |         ^~~~~
      |         qry
icc.cpp: In function 'void run(int)':
icc.cpp:40:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |    for(int i = 0; i < cand.size(); i++){
      |                   ~~^~~~~~~~~~~~~
icc.cpp:67:3: error: 'setRoad' was not declared in this scope
   67 |   setRoad(s[0][0], s[1][l]);
      |   ^~~~~~~