Submission #702748

#	Time	Username	Problem	Language	Result	Execution time	Memory
702748		maomao90	Carnival (CEOI14_carnival)	C++17	100 / 100	19 ms	304 KiB

carnival

// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 155;

int n;
int c[MAXN];

int main() {
    cin >> n;
    c[1] = 1;
    vi v;
    v.pb(1);
    REP (i, 2, n + 1) {
        int lo = 0, hi = SZ(v), mid;
        while (lo < hi) {
            mid = lo + hi >> 1;
            int len = SZ(v) - mid + 1;
            cout << len;
            REP (j, mid, SZ(v)) {
                cout << ' ' << v[j];
            }
            cout << ' ' << i << endl;
            int x; cin >> x;
            if (x == len) {
                hi = mid;
            } else {
                lo = mid + 1;
            }
        }
        if (hi == 0) {
            v.pb(i);
            c[i] = SZ(v);
        } else {
            c[i] = c[v[hi - 1]];
        }
    }
    cout << 0;
    REP (i, 1, n + 1) {
        cout << ' ' << c[i];
    }
    cout << endl;
    return 0;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:49:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |             mid = lo + hi >> 1;
      |                   ~~~^~~~

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