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답안 #1109674

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1109674 2024-11-07T09:25:37 Z farica 사다리꼴 (balkan11_trapezoid) C++14
73 / 100
 176 ms 40264 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

const int MOD = 30013;

struct Node {
    int ans,ways;
};

vector<Node>segm;

Node comb(Node x, Node y) {
    Node fin;
    if(x.ans == y.ans) {
        fin.ans = x.ans;
        fin.ways = (x.ways + y.ways) % MOD;
        return fin;
    } else if(x.ans > y.ans) return x;
    else return y;
}

void update(int pos, int l, int r, int x, Node val) {
    if(l==r) {
        segm[pos] = val;
        return;
    }
    int m = (l+r)/2;
    if(x <= m) update(2*pos+1, l, m, x, val);
    else update(2*pos+2, m+1, r, x, val);
    segm[pos] = comb(segm[2*pos+1], segm[2*pos+2]);
}

Node query(int pos, int l, int r, int L) {
    if(l >= L) return segm[pos];
    int m = (l+r)/2;
    if(m >= L) return comb(query(2*pos+1, l, m, L), segm[2*pos+2]);
    else return query(2*pos+2, m+1, r, L);
}

void solve() {
    int n;
    cin >> n;
    Node tmp;
    tmp.ans = tmp.ways = 0;
    segm.assign(8*n, tmp);
    tmp.ans = tmp.ways = 1;
    map<int,vector<int>>upd, que;
    vector<array<int,4>>V(n);
    vector<int>c(n);
    vector<Node>ans(n, tmp);
    for(int i=0; i<n; ++i) {
        cin >> V[i][1] >> V[i][2] >> V[i][0] >> V[i][3];
        c[i] = V[i][0];
    }
    sort(V.begin(), V.end());
    sort(c.begin(), c.end());
    for(int i=0; i<n; ++i) {
        que[V[i][2]].push_back(i);
        upd[V[i][1]].push_back(i);
    }
    auto it = upd.end(), it2 = que.end();
    --it, --it2;
    bool finish = 0;
    while(true) {
        while(!finish && it->first <= it2->first) {
            for(int x: it2->second) {
                int lb = upper_bound(c.begin(), c.end(), V[x][3]) - c.begin();
                if(lb != n) {
                    ans[x] = query(1, 0, n-1, lb);
                    ++ans[x].ans;
                }
            }
            if(it2 == que.begin()) {
                finish = 1;
                break;
            }
            --it2;
        }
        for(int x: it->second) {
            update(1, 0, n-1, x, ans[x]);
        }
        if(it == upd.begin()) break;
        --it;
    }
    while(!finish) {
        for(int x: it2->second) {
            int lb = upper_bound(c.begin(), c.end(), V[x][3]) - c.begin();
            if(lb != n) {
                ans[x] = query(1, 0, n-1, lb);
                ++ans[x].ans;
            }
        }
        if(it2 == que.begin()) break;
        --it2;
    }
    Node fin = ans[0];
    for(int i=1; i<n; ++i) {
        if(ans[i].ans == fin.ans) {
            fin.ways = (fin.ways + ans[i].ways) % MOD;
        } else if(ans[i].ans > fin.ans) fin = ans[i];
    }
    cout << fin.ans << " " << fin.ways << endl;
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    int t = 1;
    while(t--)
        solve();
    return 0;
}

Subtask #1
73.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 2 ms 848 KB Output is correct
5 Correct 3 ms 1104 KB Output is correct
6 Partially correct 4 ms 1784 KB Partially correct
7 Correct 5 ms 1872 KB Output is correct
8 Correct 7 ms 2384 KB Output is correct
9 Partially correct 15 ms 4432 KB Partially correct
10 Correct 22 ms 8440 KB Output is correct
11 Partially correct 30 ms 10320 KB Partially correct
12 Partially correct 76 ms 20296 KB Partially correct
13 Partially correct 91 ms 24392 KB Partially correct
14 Partially correct 98 ms 28236 KB Partially correct
15 Partially correct 112 ms 30292 KB Partially correct
16 Partially correct 128 ms 32328 KB Partially correct
17 Partially correct 134 ms 34388 KB Partially correct
18 Correct 110 ms 36380 KB Output is correct
19 Correct 152 ms 38216 KB Output is correct
20 Correct 176 ms 40264 KB Output is correct