oj.uz

Submission #309528

# Submission time Handle Problem Language Result Execution time Memory
309528 2020-10-03T17:59:08 Z caoash trapezoid (balkan11_trapezoid) C++14
100 / 100
 415 ms 43536 KB 
#include <bits/stdc++.h> 
using namespace std;
 
using ll = long long;
 
using vi = vector<int>;
using vl = vector<ll>;
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
 
using pi = pair<int,int>;
#define f first
#define s second
#define mp make_pair
 
const int MX = 200005;
const int MOD = (int) (1e9 + 7);
const ll INF = (ll) 1e18;

unordered_map<int, int> cx, cy;
map<pi, pi> st;
map<pi, pi> dp;
 
template<int SZ> struct Seg {
    pi tree[4*SZ];
 
    pi merge(pi a, pi b){
        if (a.f > b.f) return a;
        else if (b.f > a.f) return b;
        else {
            int ad = a.s + b.s;
            if (ad > 30013) ad -= 30013;
            return mp(a.f, ad);
        }
    }
    
    void update(int v, int l, int r, int i, pi x) {
        if (i > r || i < l) {
            return;
        } else if (l == r) {
            tree[v] = merge(tree[v], x);
            return;
        } else {
            int m = (l + r) / 2;
            update(2 * v + 1, l, m, i, x);
            update(2 * v + 2, m + 1, r, i, x);
            tree[v] = merge(tree[2 * v + 1], tree[2 * v + 2]);
        }
    }
 
    pi query(int v, int l, int r, int ql, int qr, int db) {
        if (l > qr || r < ql) {
            return mp(-1, -1);
        } else if (l >= ql && r <= qr) {
            return tree[v];
        } else {
            int m = (l + r) / 2;
            pi a = query(2 * v + 1, l, m, ql, qr, db);
            pi b = query(2 * v + 2, m + 1, r, ql, qr, db);
            return merge(a, b);
        }
    }
};
 
Seg<MX> orz;
 
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n; cin >> n;
    vi xs, ys;
    vector<pair<pi, int>> evts;
    for (int i = 0; i < n; i++) {
        int x1, x2, y1, y2;
        cin >> x1 >> x2 >> y1 >> y2;
        pi lf = mp(x1, y1);
        pi sf = mp(x2, y2);
        st[sf] = lf;
        xs.pb(x1), ys.pb(y1);
        xs.pb(x2), ys.pb(y2);
        evts.pb(mp(lf, 0));
        evts.pb(mp(sf, 1));
    }
 
    sort(all(xs));
    sort(all(ys));
 
    int pt = 0;
    for (auto v : xs) cx[v] = pt++;
    pt = 0;
    for (auto v : ys) cy[v] = pt++;
    
    sort(all(evts));
 
    for (auto curr : evts) {
        pi rd = mp(cx[curr.f.f], cy[curr.f.s]);
        if (curr.s) {
            pi prev = st[curr.f];
            dp[rd] = dp[mp(cx[prev.f], cy[prev.s])];
            orz.update(0, 0, 2 * n, rd.s, dp[rd]);
        } else {
            pi gans = orz.query(0, 0, 2 * n, 0, rd.s, 0);
            dp[rd].f = gans.f + 1;
            dp[rd].s = max(1, gans.s);
        }
    }
 
    pi ans = orz.query(0, 0, 2 * n, 0, 2 * n, 1);
    cout << ans.f << " " << ans.s << '\n'; 
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 768 KB Output is correct
5 Correct 6 ms 1280 KB Output is correct
6 Correct 8 ms 1664 KB Output is correct
7 Correct 11 ms 2048 KB Output is correct
8 Correct 15 ms 2560 KB Output is correct
9 Correct 31 ms 4916 KB Output is correct
10 Correct 65 ms 9384 KB Output is correct
11 Correct 86 ms 11048 KB Output is correct
12 Correct 197 ms 22044 KB Output is correct
13 Correct 225 ms 25496 KB Output is correct
14 Correct 305 ms 33040 KB Output is correct
15 Correct 323 ms 34932 KB Output is correct
16 Correct 357 ms 36620 KB Output is correct
17 Correct 377 ms 38376 KB Output is correct
18 Correct 314 ms 40028 KB Output is correct
19 Correct 392 ms 41348 KB Output is correct
20 Correct 415 ms 43536 KB Output is correct