Submission #1356085

#TimeUsernameProblemLanguageResultExecution timeMemory
1356085gayGrid Coloring (JOI25_ho_t1)C++20
100 / 100
219 ms28616 KiB
#include <bits/stdc++.h>
#include <experimental/random>
#include <random>

//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;

using namespace std;

using ld = long double;
using ll = long long;

const ll INF = 1e18, MOD = 1e9 + 7;

void solve();

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    int q = 1;
    //cin >> q;
    while (q--) {
        solve();
    }
}

void solve() {
    ll n;
    cin >> n;
    vector<ll> a(n);
    map<ll, ll> cnt;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        cnt[a[i]]++;
    }
    vector<ll> b(n);
    for (int i = 0; i < n; i++) {
        cin >> b[i];
        cnt[b[i]]++;
    }
    for (int i = 2; i < n; i++) {
        b[i] = max(b[i], b[i - 1]);
    }
    cnt[a[0]]--;
    for (int i = 2; i < n; i++) {
        a[i] = max(a[i], a[i - 1]);
    }
    ll l = 1;
    ll idx = 1;
    while (l < n) {
        ll r = l;
        while (r < n && a[r] == a[l]) {
            r++;
        }
        ll c = r - l;
        while (idx < n && b[idx] <= a[l]) {
            idx++;
        }
        cnt[a[l]] += c * (idx - 1);
        l = r;
    }
    l = 1, idx = 1;
    while (l < n) {
        ll r = l;
        while (r < n && b[r] == b[l]) {
            r++;
        }
        ll c = r - l;
        while (idx < n && a[idx] < b[l]) {
            idx++;
        }
        cnt[b[l]] += c * (idx - 1);
        l = r;
    }
    ll val = a[0];
    for (auto [key, c]: cnt) {
        if (c >= cnt[val]) {
            val = key;
        }
    }
    cout << val << ' ' << cnt[val];
}
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