답안 #347030

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
347030 2021-01-11T14:35:05 Z ACmachine 사육제 (CEOI14_carnival) C++17
0 / 100
23 ms 364 KB
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;

typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<str> vstr;

#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back 
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define rsz resize 
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)
	
const double EPS = 1e-9;
const int MOD = 1e9+7; // 998244353;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};

#ifdef DEBUG
#define DBG if(1)
#else
#define DBG if(0)
#endif

#define dbg(x) cout << "(" << #x << " : " << x << ")" << endl;
// ostreams
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "[";  REP(i, v.size()) out << v[i] << ", ";  out << "]"; return out;}
// istreams
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
template<class T, class U>
istream& operator>>(istream& in, pair<T, U> &p){ in >> p.ff >> p.ss; return in; }
//searches
template<typename T, typename U>
T bsl(T lo, T hi, U f){ hi++; T mid; while(lo < hi){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid+1; } return lo; }
template<typename U>
double bsld(double lo, double hi, U f, double p = 1e-9){ int r = 3 + (int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid; } return (lo + hi)/2; }
template<typename T, typename U>
T bsh(T lo, T hi, U f){ lo--; T mid; while(lo < hi){ mid = (lo + hi + 1)/2; f(mid) ? lo = mid : hi = mid-1; } return lo; }
template<typename U>
double bshd(double lo, double hi, U f, double p = 1e-9){ int r = 3+(int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? lo = mid : hi = mid; } return (lo + hi)/2; }
// some more utility functions
template<typename T>
pair<T, int> get_min(vector<T> &v){ typename vector<T> :: iterator it = min_element(v.begin(), v.end()); return mp(*it, it - v.begin());}
template<typename T>
pair<T, int> get_max(vector<T> &v){ typename vector<T> :: iterator it = max_element(v.begin(), v.end()); return mp(*it, it - v.begin());}        
template<typename T> bool ckmin(T& a, const T& b){return b < a ? a = b , true : false;}
template<typename T> bool ckmax(T& a, const T& b){return b > a ? a = b, true : false;}

    
int main(){
 	ios_base::sync_with_stdio(false);
 	cin.tie(NULL); cout.tie(NULL);
    srand(time(NULL));
	int n; cin >> n;
    auto ask = [&](vi &in){
        cout << in.size();
        REP(i, in.size()){
            cout << " " << in[i];
        }
        cout << endl;
        int res; cin >> res;
        return res; 
    };
    vector<set<int>> components(n);
    REP(i, n)
        components[i] = {i + 1};
    int all_num = 0;
    vi _all(n);
    REP(i, n) _all[i] = i + 1;
    all_num = ask(_all);
    REP(j, n - all_num){ 
        vector<set<int>> nc = components;
        auto half = [&](){
            while(true){
                random_shuffle(all(nc));
                int m;
                if(nc.size()%2 == 0)
                    m = (int)nc.size() / 2;
                else
                    m = (int)nc.size() / 2 + 1;
                vi qset;
                REP(i, m){
                    for(int x : nc[i]) 
                        qset.pb(x);
                }
                if(ask(qset) != m){
                    vector<set<int>> ncc;
                    REP(i, m)
                        ncc.pb(nc[i]);
                    nc = ncc;
                    return nc;
                }
            }
        };
        while(nc.size() > 2){
            half();
        }
        int i1 = 0;
        int i2 = 0;
        REP(i, components.size()){
            if(nc[0] == components[i]) 
                i1 = i;
            if(nc[1] == components[i])
                i2 = i; 
        }
        for(int x : components[i2]){
            components[i1].insert(x);
        }
        components.erase(components.begin() + i2);
    }
	vi ans(n);
    REP(i, components.size()){
        for(int x : components[i])
            ans[x] = i + 1;
    }
    cout << 0 << " ";
    REP(i, n)
        cout << ans[i] << " ";
    cout << endl;
    return 0;
}

Compilation message

carnival.cpp: In lambda function:
carnival.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
carnival.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
carnival.cpp:92:9: note: in expansion of macro 'REP'
   92 |         REP(i, in.size()){
      |         ^~~
carnival.cpp: In function 'int main()':
carnival.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
carnival.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
carnival.cpp:135:9: note: in expansion of macro 'REP'
  135 |         REP(i, components.size()){
      |         ^~~
carnival.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
carnival.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
carnival.cpp:147:5: note: in expansion of macro 'REP'
  147 |     REP(i, components.size()){
      |     ^~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 20 ms 364 KB Integer 0 violates the range [1, 11]
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 23 ms 364 KB Integer 0 violates the range [1, 5]
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 13 ms 364 KB Integer 0 violates the range [1, 1]
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 23 ms 364 KB Integer 0 violates the range [1, 4]
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 20 ms 364 KB Integer 0 violates the range [1, 2]
2 Halted 0 ms 0 KB -