Submission #918182

#	Time	Username	Problem	Language	Result	Execution time	Memory
918182		hugsfromadicto	Carnival (CEOI14_carnival)	C++17	100 / 100	5 ms	416 KiB

carnival

#include            <bits/stdc++.h>
#define pb          push_back
#define pii         pair<int, int>
#define pll         pair<ll, ll>
#define vll         vector<ll>
#define all(v)      v.begin(), v.end()
#define whole(a)    a+1, a+1+n
#define OPT         ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define sec         second
#define fi          first
#define print(k)    cerr << "Ans : "; cout << k << endl;
#define ins         insert
#define pb          push_back 
#define bpc         __builtin_popcountll
#define skip        continue
#define endll          '\n'
#define gcd(a, b)   __gcd(a, b)
#define lcm(a, b)   a*b / (__gcd(a, b))
#define mpr         make_pair
#define rep(i,l,r)  for(ll i=l;i<=r;++i)
#define new         '\n'
typedef long long ll;
typedef unsigned long long ull;
const int mod = 998244353;
const int sz = 3e5+5;
using namespace std;
int dx[4] = {1,0,-1,0};
int dy[4] = {0,1,0,-1};

int c[150];
int p[150];

main(){
    OPT
    int n;
    cin  >> n;
    c[1] = 1;
    p[1] = 1;

    int k = 1;
    for (int i = 2; i <= n; ++i)
    {
        cout << k + 1 << ' ';
        for(int j = 1; j <= k; ++j){
            cout << p[j] << ' ';
        }
        cout << i << endl;
        int res = 0;
        cin >> res;
        if( res == k + 1)
        {
            c[i] = ++k;
            p[k] = i;
            continue;
        }
        int l = 1;
        int r = k;
        while ( l < r )
        {
            int mid = (l + r) >> 1;
            cout << mid + 1 << ' ';
            for ( int j = 1; j <= mid; ++j)
            {
                cout << p[j] << ' ';
            }
            cout << i << endl;
            int res;
            cin >> res;
            if( res == mid + 1)
            {
                l = mid + 1;
            }
            else{
                r = mid;
            }
        }
        p[l] = i;
        c[i] = l;
    }
    cout << 0 << ' ';
    for ( int i = 1; i <= n; ++i)
    {
        cout << c[i] << ' ';
    }
    cout << endl;
}

Compilation message (stderr)

carnival.cpp:33:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   33 | main(){
      | ^~~~

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