oj.uz

답안 #1109669

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1109669 2024-11-07T09:19:04 Z farica 사다리꼴 (balkan11_trapezoid) C++14
73 / 100
 165 ms 31516 KB 
#include <bits/stdc++.h>
#define long long int

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 592 KB Output is correct
5 Correct 3 ms 848 KB Output is correct
6 Partially correct 4 ms 1160 KB Partially correct
7 Correct 5 ms 1616 KB Output is correct
8 Correct 6 ms 1872 KB Output is correct
9 Partially correct 14 ms 3408 KB Partially correct
10 Correct 30 ms 6480 KB Output is correct
11 Partially correct 32 ms 8016 KB Partially correct
12 Partially correct 72 ms 15944 KB Partially correct
13 Partially correct 96 ms 18760 KB Partially correct
14 Partially correct 107 ms 22044 KB Partially correct
15 Partially correct 147 ms 23624 KB Partially correct
16 Partially correct 126 ms 25076 KB Partially correct
17 Partially correct 139 ms 27424 KB Partially correct
18 Correct 109 ms 28236 KB Output is correct
19 Correct 138 ms 29772 KB Output is correct
20 Correct 165 ms 31516 KB Output is correct