Submission #707331

#	Time	Username	Problem	Language	Result	Execution time	Memory
707331		Danilo21	Library (JOI18_library)	C++14	0 / 100	39 ms	308 KiB

library

#include <bits/stdc++.h>
#include "library.h"

#define ll long long
#define ld long double
#define pb push_back
#define fi first
#define se second
#define en '\n'
#define sp ' '
#define tb '\t'
#define ri(n) int n; cin >> n
#define rl(n) ll n; cin >> n
#define rs(s) string s; cin >> s
#define rc(c) char c; cin >> c
#define rv(v) for (auto &x : v) cin >> x
#define pven(v) for (auto x : v) cout << x << en
#define pv(v) for (auto x : v) cout << x << sp; cout << en
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define yes cout << "Yes" << en
#define no cout << "No" << en
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
#define ssort(a, b) if (a < b) swap(a, b)
#define bitcnt(a) (__builtin_popcountll(a))
#define bithigh(a) (63-__builtin_clzll(a))
#define lg bithigh
#define highpow(a) (1LL << (ll)lg(a))

using namespace std;

const ll LINF = 1e18;
const int mxN = 1e3+10, INF = 2e9;
ll n;
vector<int> g[mxN], ans;

void dfs(int s, int p = -1){

    ans.pb(s+1);
    for (int u : g[s])
        if (u^p) dfs(u, s);
}

int Get(int i, int l, int r){

    vector<int> M(n, 0);
    for (int i = l; i <= r; i++)
        M[i] = 1;
    int x = Query(M);
    M[i] = 1;
    return 1 - (Query(M) - x);
}

void BS(int i, int l, int r, int x){

    if (l == r){
        g[i].pb(l);
        g[l].pb(i);
        return;
    }
    int k = (l + r)>>1;
    int y = Get(i, l, k);
    if (y) BS(i, l, k, y);
    if (x-y) BS(i, k+1, r, x-y);
}

void Solve(int N)
{
    cerr << 1 << endl;
	n = N;
	for (int i = 1; i < n; i++){
        int x = Get(i, 0, i-1);
        if (x) BS(i, 0, i-1, x);
	}
    int s;
    for (s = 0; g[s].size() > 1; s++)
    dfs(s);
    Answer(ans);
}

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81