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Submission #931196

# Submission time Handle Problem Language Result Execution time Memory
931196 2024-02-21T11:15:32 Z 12345678 trapezoid (balkan11_trapezoid) C++17
100 / 100
 133 ms 16440 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=2e5+5, mod=30013;

int n, a[nx], b[nx], c[nx], d[nx], t, p;
vector<pair<int, int>> A, B;
map<int, int> mp;

struct value
{
    int mx, f;
    value(): mx(0), f(0) {}
    value(int mx, int f): mx(mx), f(f) {}
    friend value operator+(const value &lhs, const value &rhs) {
        if (lhs.mx>rhs.mx) return lhs;
        if (lhs.mx<rhs.mx) return rhs;
        return value(lhs.mx, (lhs.f+rhs.f)%mod);
    }
} dp[nx], ans;

struct fenwick 
{
    value d[nx];
    void add(int i, value x) 
    {
        while (i<nx) d[i]=(d[i]+x), i+=(i&-i);
    }
    value query(int i)
    {
        value res=value(0, 0);
        while (i>0) res=(res+d[i]), i-=(i&-i);
        return res; 
    }
} f;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=0; i<n; i++) cin>>a[i]>>b[i]>>c[i]>>d[i], A.push_back({a[i], i}), B.push_back({b[i], i}), mp[c[i]]=0, mp[d[i]]=0;
    sort(A.begin(), A.end());
    sort(B.begin(), B.end());
    for (auto &[x, y]:mp) y=++t;
    for (int i=0; i<n; i++)
    {
        while (B[p].first<A[i].first) f.add(mp[d[B[p].second]], dp[B[p].second]), p++;
        dp[A[i].second]=f.query(mp[c[A[i].second]]-1);
        dp[A[i].second].mx++;
        if (dp[A[i].second].f==0) dp[A[i].second].f=1;
        ans=ans+dp[A[i].second];
    }
    cout<<ans.mx<<' '<<ans.f;
}

/*
3
1 2 1 2
3 4 3 4
5 6 5 6
*/

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 2 ms 4696 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4952 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 6 ms 5212 KB Output is correct
9 Correct 11 ms 5724 KB Output is correct
10 Correct 18 ms 6992 KB Output is correct
11 Correct 24 ms 7508 KB Output is correct
12 Correct 58 ms 10536 KB Output is correct
13 Correct 67 ms 11588 KB Output is correct
14 Correct 76 ms 12968 KB Output is correct
15 Correct 93 ms 13376 KB Output is correct
16 Correct 111 ms 14136 KB Output is correct
17 Correct 111 ms 14632 KB Output is correct
18 Correct 87 ms 15160 KB Output is correct
19 Correct 109 ms 15676 KB Output is correct
20 Correct 133 ms 16440 KB Output is correct