Submission #1033219

# Submission time Handle Problem Language Result Execution time Memory
1033219 2024-07-24T14:25:42 Z raphaelp trapezoid (balkan11_trapezoid) C++14
100 / 100
334 ms 50792 KB
#include <bits/stdc++.h>
using namespace std;
class SegTree
{
private:
    vector<long long> st, count;
    long long N;
    long long l(long long x) { return (x << 1); }
    long long r(long long x) { return (x << 1) + 1; }
    void update(long long L, long long R, long long a, long long val, long long c, long long x)
    {
        if (L > a || R < a)
            return;
        if (L == a && R == a)
        {
            st[x] = val;
            count[x] = c;
        }
        else
        {
            long long m = (L + R) / 2;
            update(L, m, a, val, c, l(x));
            update(m + 1, R, a, val, c, r(x));
            st[x] = max(st[l(x)], st[r(x)]);
            count[x] = ((st[l(x)] == st[x]) ? count[l(x)] : 0) + ((st[r(x)] == st[x]) ? count[r(x)] : 0);
        }
    }
    pair<long long, long long> RSQ(long long L, long long R, long long a, long long b, long long x)
    {
        if (L > b || R < a)
            return {0, 0};
        if (L >= a && R <= b)
            return {st[x], count[x]};
        long long m = (L + R) / 2;
        pair<long long, long long> temp1 = RSQ(L, m, a, b, l(x)), temp2 = RSQ(m + 1, R, a, b, r(x));
        if (temp1.first < temp2.first)
            swap(temp1, temp2);
        if (temp1.first == temp2.first)
            temp1.second += temp2.second;
        return temp1;
    }

public:
    SegTree(long long x)
    {
        N = pow(2, ceil(log2(x)));
        st.assign(2 * N, 0);
        count.assign(2 * N, 0);
    }
    void update(long long x, long long val, long long c) { update(0, N - 1, x, val, c, 1); }
    pair<long long, long long> RSQ(long long a, long long b) { return RSQ(0, N - 1, a, b, 1); }
};
int main()
{
    long long N;
    cin >> N;
    vector<vector<long long>> Tab;
    vector<long long> vals;
    for (long long i = 0; i < N; i++)
    {
        long long a, b, c, d;
        cin >> a >> b >> c >> d;
        vals.push_back(a), vals.push_back(b), vals.push_back(c), vals.push_back(d);
        Tab.push_back({a, c, b, d});
    }
    sort(vals.begin(), vals.end());
    sort(Tab.begin(), Tab.end());
    map<long long, long long> M;
    for (long long i = 0; i < vals.size(); i++)
    {
        M[vals[i]] = i;
    }
    for (long long i = 0; i < N; i++)
    {
        for (long long j = 0; j < 4; j++)
            Tab[i][j] = M[Tab[i][j]];
    }
    SegTree ST(4 * N);
    priority_queue<vector<long long>> PQ;
    vector<pair<long long, long long>> ans(N);
    pair<long long, long long> ans2 = {0, 0};
    for (long long i = 0; i < N; i++)
    {
        while (!PQ.empty() && -PQ.top()[0] < Tab[i][0])
        {
            ST.update(PQ.top()[1], PQ.top()[2], PQ.top()[3]);
            PQ.pop();
        }
        ans[i] = ST.RSQ(0, Tab[i][1]);
        ans[i].first++;
        if (ans[i].first == 1)
            ans[i].second++;
        ans[i].second = ans[i].second % 30013;
        PQ.push({-Tab[i][2], Tab[i][3], ans[i].first, ans[i].second});
        if (ans[i].first > ans2.first)
            ans2 = {ans[i].first, 0};
        if (ans[i].first == ans2.first)
            ans2.second += ans[i].second;
        ans2.second = ans2.second % 30013;
    }
    cout << ans2.first << ' ' << ans2.second;
}

Compilation message

trapezoid.cpp: In function 'int main()':
trapezoid.cpp:69:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     for (long long i = 0; i < vals.size(); i++)
      |                           ~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 4 ms 1372 KB Output is correct
6 Correct 7 ms 2068 KB Output is correct
7 Correct 7 ms 1884 KB Output is correct
8 Correct 12 ms 3032 KB Output is correct
9 Correct 26 ms 6152 KB Output is correct
10 Correct 42 ms 10116 KB Output is correct
11 Correct 67 ms 13696 KB Output is correct
12 Correct 147 ms 27644 KB Output is correct
13 Correct 188 ms 30076 KB Output is correct
14 Correct 257 ms 43320 KB Output is correct
15 Correct 259 ms 41664 KB Output is correct
16 Correct 321 ms 42844 KB Output is correct
17 Correct 297 ms 47844 KB Output is correct
18 Correct 216 ms 38908 KB Output is correct
19 Correct 316 ms 48744 KB Output is correct
20 Correct 334 ms 50792 KB Output is correct