Submission #616126

#	Time	Username	Problem	Language	Result	Execution time	Memory
616126		3omar_ahmed	Carnival (CEOI14_carnival)	C++17	0 / 100	3 ms	312 KiB

carnival

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std ;
using namespace __gnu_pbds;

#define int long long
#define ordered_set tree<pair < int ,int >,null_type,less<pair < int ,int >>,rb_tree_tag,tree_order_statistics_node_update>
#define all(a) a.begin() , a.end()
#define alr(a) a.rbegin() , a.rend()

signed main(){
    ios_base::sync_with_stdio(0), cin.tie(0),cout.tie(0);

    int n ; cin >> n;
    vector < int > ans(n + 1) , dis;
    int val = 1;
    for( int i = 1 ; i <= n ; i++ ){
        cout << i << ' ';
        for( int j = 1 ; j <= i ; j++ ) cout << j << ' ';
        cout << endl ;
        int x; cin >> x;
        if( x != ans[i - 1] )
            ans[i] = val++ , dis.push_back(i);
    }
    for( int i = 1 ; i <= n ; i++ ){
        if(ans[i] == 0){
            for(int j = 0 ; j < dis.size() ; j++ ){
                cout << 2 << ' ' << i << ' ' << dis[j] << endl ;
                int x ; cin >> x;
                if( x == 1 ){
                    ans[i] = ans[dis[j]] ;
                    break ;
                }
            }
        }
    }
    for( int i : ans ) cout << i << ' ';
    return 0 ;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:29:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |             for(int j = 0 ; j < dis.size() ; j++ ){
      |                             ~~^~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20