oj.uz

답안 #680818

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
680818 2023-01-11T20:28:29 Z stevancv 사다리꼴 (balkan11_trapezoid) C++14
100 / 100
 197 ms 21412 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e5 + 2;
const int mod = 30013;
int Add(int a, int b) {
    a += b;
    if (a >= mod) a -= mod;
    return a;
}
struct Node {
    int x, y;
    Node() {
        x = y = 0;
    }
    Node(int a, int b) {
        x = a; y = b;
    }
};
Node Merge(Node a, Node b) {
    Node c;
    if (a.x > b.x) c = a;
    else if (a.x < b.x) c = b;
    else c = Node(a.x, Add(a.y, b.y));
    return c;
}
Node st[8 * N];
void Set(int node, int l, int r, int p, int x, int y) {
    if (l == r) {
        st[node] = Node(x, y);
        return;
    }
    int mid = l + r >> 1;
    if (p <= mid) Set(2 * node, l, mid, p, x, y);
    else Set(2 * node + 1, mid + 1, r, p, x, y);
    st[node] = Merge(st[2 * node], st[2 * node + 1]);
}
Node Get(int node, int l, int r, int ql, int qr) {
    if (r < ql || qr < l) return Node();
    if (ql <= l && r <= qr) return st[node];
    int mid = l + r >> 1;
    return Merge(Get(2 * node, l, mid, ql, qr), Get(2 * node + 1, mid + 1, r, ql, qr));
}
Node ans[N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n; cin >> n;
    vector<int> a(n), b(n), c(n), d(n);
    vector<array<int, 3>> all;
    vector<int> v;
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        all.push_back({a[i], i, 0});
        all.push_back({b[i], i, 1});
        v.push_back(c[i]); v.push_back(d[i]);
    }
    sort(v.begin(), v.end());
    sort(all.begin(), all.end());
    map<int, int> mp;
    int x = 0;
    for (int i : v) mp[i] = x++;
    for (auto u : all) {
        if (u[2] == 0) {
            ans[u[1]] = Get(1, 0, x - 1, 0, mp[c[u[1]]]);
            ans[u[1]].x += 1;
            if (ans[u[1]].x == 1) ans[u[1]].y += 1;
        }
        else Set(1, 0, x - 1, mp[d[u[1]]], ans[u[1]].x, ans[u[1]].y);
    }
    int mx = 0;
    for (int i = 0; i < n; i++) smax(mx, ans[i].x);
    int sol = 0;
    for (int i = 0; i < n; i++) if (ans[i].x == mx) sol = Add(sol, ans[i].y);
    cout << mx << sp << sol << en;
    return 0;
}

Compilation message

trapezoid.cpp: In function 'void Set(int, int, int, int, int, int)':
trapezoid.cpp:38:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |     int mid = l + r >> 1;
      |               ~~^~~
trapezoid.cpp: In function 'Node Get(int, int, int, int, int)':
trapezoid.cpp:46:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   46 |     int mid = l + r >> 1;
      |               ~~^~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7508 KB Output is correct
5 Correct 6 ms 7636 KB Output is correct
6 Correct 9 ms 7804 KB Output is correct
7 Correct 8 ms 7892 KB Output is correct
8 Correct 10 ms 8020 KB Output is correct
9 Correct 23 ms 8720 KB Output is correct
10 Correct 28 ms 10124 KB Output is correct
11 Correct 40 ms 10860 KB Output is correct
12 Correct 84 ms 14396 KB Output is correct
13 Correct 107 ms 15752 KB Output is correct
14 Correct 125 ms 17144 KB Output is correct
15 Correct 168 ms 17900 KB Output is correct
16 Correct 169 ms 18576 KB Output is correct
17 Correct 161 ms 19316 KB Output is correct
18 Correct 129 ms 20048 KB Output is correct
19 Correct 172 ms 20684 KB Output is correct
20 Correct 197 ms 21412 KB Output is correct