Submission #1127679

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127679		Chal1shkan	trapezoid (balkan11_trapezoid)	C++20	55 / 100	144 ms	131072 KiB

trapezoid

# include <bits/stdc++.h>
using namespace std;
 
# define ll long long
# define ld long double
# define pii pair <int, int>
# define pll pair <ll, ll>
# define nl '\n'
# define sz(x) (int)(x).size()
# define all(x) (x).begin(), (x).end()
# define deb(x) cerr << #x << " = " << x << endl;
 
const int maxn = (int)1e5 + 3;
const ll inf = (ll)1e18 + 0;
const int mod = (int)30013;
const bool T = 0;

int add (int x, int y) {
    int res = x + y;
    if (res >= mod) res -= mod;
    return res;
}

int n;
vector<array<int, 4> > arr;
vector <int> zh;

int get (int x) {
    return lower_bound(all(zh), x) - zh.begin();
}

pii combine (pii L, pii R) {
    if (L.first > R.first) {
        return L;
    }
    if (L.first < R.first) {
        return R;
    }
    return {L.first, add(L.second, R.second)};
}

int N;

struct segtree {
    pii t[maxn * 4];
    void build (int v = 1, int tl = 0, int tr = N - 1) {
        t[v].first = 0;
        t[v].second = 0;
        if (tl == tr) return;
        int tm = (tl + tr) >> 1;
        build(v * 2, tl, tm);
        build(v * 2 + 1, tm + 1, tr);
    }
    void update (int pos, pii x, int v = 1, int tl = 0, int tr = N - 1) {
        if (tl == tr) {
            t[v] = combine(t[v], x);
            return;
        }
        int tm = (tl + tr) >> 1;
        if (pos <= tm) update(pos, x, v * 2, tl, tm);
        else update(pos, x, v * 2 + 1, tm + 1, tr);
        t[v] = combine(t[v * 2], t[v * 2 + 1]);
    }
    pii get (int l, int r, int v = 1, int tl = 0, int tr = N - 1) {
        if (tr < l || r < tl) return {0, 0};
        if (l <= tl && tr <= r) return t[v];
        int tm = (tl + tr) >> 1;
        return combine(get(l, r, v * 2, tl, tm), get(l, r, v * 2 + 1, tm + 1, tr));
    }
} st;

pii dp[maxn];

void ma1n () {
    cin >> n;
    arr.resize(n);
    for (auto &it : arr) {
        cin >> it[0] >> it[1] >> it[2] >> it[3];
        for (int j = 0; j < 4; ++j) zh.push_back(it[j]);
    }
    sort(all(zh));
    zh.erase(unique(all(zh)), zh.end());
    vector <array<int, 3> > e;
    for (int i = 0; i < n; ++i) {
        auto &it = arr[i];
        for (int j = 0; j < 4; ++j) {
            it[j] = get(it[j]);
        }
        e.push_back({it[0], 1, i});
        e.push_back({it[1], 0, i});
    }
    N = sz(zh);
    st.build();
    sort(all(e));
    for (auto it : e) {
        int i = it[2];
        if (it[1] == 0) {
            st.update(arr[i][3], dp[i]);
        }
        else {
            pii p = st.get(0, arr[i][2] - 1);
            dp[i] = {p.first + 1, p.second};
            if (dp[i].first == 1) dp[i].second = 1;
        }
    }
    int mx = 0, var = 0;
    for (int i = 1; i <= n; ++i) {
        if (dp[i].first == mx) {
            var = add(var, dp[i].second);
        }
        else if (dp[i].first > mx) {
            mx = dp[i].first;
            var = dp[i].second;
        }
    }
    cout << mx << ' ' << var << nl;

}

signed main () {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int ttt = 1;
    if (T) cin >> ttt;
    while (ttt--) {
        ma1n();
    }
    return 0;
}

• Subtask 1: 55 / 100