Submission #1286362

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286362		Lemser	ICC (CEOI16_icc)	C++20	0 / 100	3 ms	580 KiB

icc

#include <bits/stdc++.h>
#include "icc.h"
using namespace std;
 
using ll = int;
using ull = unsigned long long;
using lld = long double;
using ii = pair<int,int>;
using pll = pair<ll, ll>;
 
using vi = vector<int>;
using vll = vector<ll>;
using vii = vector<ii>;
using vpll = vector<pll>;
using vlld = vector<lld>;
 
#define all(x) x.begin(),x.end()
#define lsb(x) x&(-x)
#define gcd(a,b) __gcd(a,b)
#define sz(x) (int)x.size()
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fls cout.flush()
 
#define fore(i, l, r) for (auto i = l; i < r; i++)
#define fo(i, n) fore (i, 0, n)
#define forex(i, r, l) for (auto i = r-1; i >= l; i--)
#define ffo(i, n) forex (i, n, 0)
#define mid ((l+r)>>1)
 
bool cmin(ll &a, ll b) { if (b < a) { a=b; return 1; } return 0; }
bool cmax(ll &a, ll b) { if (b > a) { a=b; return 1; } return 0; }

const int N = 105;

ll myquery (vll a, vll b) {
    ll n = a.size(), m = b.size();
    int A[n], B[m];
    fo (i, a.size()) A[i] = a[i];
    fo (i, b.size()) B[i] = b[i];
    return query(n, m, A, B);
}

vll graph[N];
ll vis[N];

void dfs (ll u, ll p, ll d, vector<vll> &pth) {
    pth[d].pb(u);
    vis[u] = 1;
    for (ll v: graph[u]) {
        if (v == p) continue;
        dfs(v, u, d^1, pth);
    }
}

ll binaria (vll A, vll B) {
    ll l = 0, r = A.size() - 1;
    while (l < r) {
        ll m = (l+r)/2;
        vll okpth;
        fo (i, m+1) okpth.pb(A[i]);
        if (myquery(okpth, B)) r = m;
        else l = m+1;
    }
    return A[l];
}

array<ll, 2> find (vll pth) {
    vll c(7, 0ll);
    vll foundA, foundB;
    fo (bt, 7) {
        if ((1ll<<bt) >= pth.size()) break;
        vll A, B;
        fo (i, pth.size()) {
            if (i&(1ll<<bt)) A.pb(pth[i]);
            else B.pb(pth[i]);
        }
        if (myquery(A, B)) {
            c[bt] = 1;
            foundA = A;
            foundB = B;
        } else {
            c[bt] = 0;
        }
    }
    if (foundA.size() != 0) {
        ll a = binaria(foundA, foundB);
        ll b = a;
        fo (bt, 7) if (c[bt]) b ^= 1ll<<bt;
        return {a, b};
    }
    return {-1, -1};
}

void run (int n) {
    fo (i, n+1) {
        graph[i].clear();
    }
    fo (_, n-1) {
        fo (i, n+1) vis[i] = 0;
        vector<vll> pth(2);
        fore (a, 1, n+1) {
            if (vis[a]) continue;
            dfs(a, -1, 0, pth);
        }
        if (myquery(pth[0], pth[1])) {
            ll a = binaria(pth[0], pth[1]);
            ll b = binaria(pth[1], pth[0]);
            setRoad(a, b);
            graph[a].pb(b);
            graph[b].pb(a);
            continue;
        }
        auto ans = find(pth[0]);
        if (ans != array<ll, 2>{-1, -1}) {
            graph[ans[0]].pb(ans[1]);
            graph[ans[1]].pb(ans[0]);
            setRoad(ans[0], ans[1]);
            continue;
        }
        ans = find(pth[1]);
        graph[ans[0]].pb(ans[1]);
        graph[ans[1]].pb(ans[0]);
        setRoad(ans[0], ans[1]);

    }
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 21
• Subtask 5: 0 / 29
• Subtask 6: 0 / 10