제출 #1331892

#제출 시각아이디문제언어결과실행 시간메모리
1331892sigmaligmaGrid Coloring (JOI25_ho_t1)C++20
25 / 100
203 ms28620 KiB
#include <bits/stdc++.h>
using namespace std;

#define fastio                   \
    ios::sync_with_stdio(false); \
    cin.tie(nullptr);
#define s(x) x.size()
#define sort(x) sort(x.begin(), x.end())
#define rsort(x) sort(x.rbegin(), x.rend())
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define fi first
#define se second
#define INF 1e9
#define INFL 1e18
#define rep(a, b) for (int a = 0; a < b; a++)

using ll = long long;
using pii = pair<int, int>;

void solve()
{
    ll n;
    cin >> n;
    vector<ll> v1(n), v2(n);
    pair<ll, ll> maks;

    map<ll, ll> mapa;
    for (ll i = 0; i < n; i++)
    {
        cin >> v1[i];
        if (i == 0)
            maks = {v1[i], 1};
        if (i > 1){
            if(v1[i]<v1[i-1]) {
                mapa[v1[i]]++;
                mapa[v1[i-1]]--;
                if (maks.second < mapa[v1[i]])
                    maks = {v1[i], mapa[v1[i]]};
                else if (maks.second == mapa[v1[i]])
                    maks.first = max(maks.first, v1[i]);
            }
            v1[i] = max(v1[i], v1[i - 1]);
        }
            
    }
    for (ll i = 0; i < n; i++)
    {
        cin >> v2[i];
        if (i > 1){
            v2[i] = max(v2[i], v2[i - 1]);
            if(v2[i]<v2[i-1]) {
                mapa[v2[i]]++;
                mapa[v2[i-1]]--;
                if (maks.second < mapa[v2[i]])
                    maks = {v2[i], mapa[v2[i]]};
                else if (maks.second == mapa[v2[i]])
                    maks.first = max(maks.first, v2[i]);
            }
        }
    }
    mapa[v1[0]]++;
    for (ll i = 1; i < n; i++)
    {
        ll l = 0, p = n - 1;
        while (l < p)
        {
            ll sr = (l + p + 1) / 2;
            if (v2[sr] <= v1[i])
                l = sr;
            else
                p = sr - 1;
        }
        // if(v2[l]>v1[i]) l--;
        // cout << l+1 << endl;
        mapa[v1[i]] += l + 1;
        if (maks.second < mapa[v1[i]])
            maks = {v1[i], mapa[v1[i]]};
        else if (maks.second == mapa[v1[i]])
            maks.first = max(maks.first, v1[i]);

        // cout << l << endl;
    }
    // cout << "-----" << endl;
    for (ll i = 1; i < n; i++)
    {
        ll l = 0, p = n - 1;
        while (l < p)
        {
            ll sr = (l + p + 1) / 2;
            if (v1[sr] < v2[i])
                l = sr;
            else
                p = sr - 1;
        }
        // cout << l+1 << endl;
        mapa[v2[i]] += l + 1;
        if (maks.second < mapa[v2[i]])
            maks = {v2[i], mapa[v2[i]]};
        else if (maks.second == mapa[v2[i]])
            maks.first = max(maks.first, v2[i]);

        // cout << l << endl;
    }   
    // for (ll i = 0; i < n; i++) {
    //     cout << v1[i] << ' ';
    // }
    // cout << endl;
    cout << maks.first << ' ' << maks.second << endl;
}

int main()
{
    fastio;
    int t = 1;
    // cin >> t;
    while (t--)
        solve();
    return 0;
}
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