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답안 #825112

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
825112 2023-08-14T14:28:55 Z Koyote Pinball (JOI14_pinball) C++14
100 / 100
 455 ms 81996 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename S, S (*op)(S, S), S (*e)()> struct dynamic_segtree {
  public:
    dynamic_segtree() : left(nullptr), right(nullptr) {}
    dynamic_segtree(int64_t _lt, int64_t _rt, S _val = e()) :
        lt_idx(_lt), rt_idx(_rt), mid_idx((_lt + _rt) >> 1), val(_val) {
            if (_lt != _rt) {
                left = new dynamic_segtree<S, op, e>(_lt, mid_idx);
                right = new dynamic_segtree<S, op, e>(mid_idx + 1, _rt);
            }
        }
    void update(int64_t p, S new_val) {
        if (lt_idx == rt_idx) return void(val = op(val, new_val));
        if (p <= mid_idx) left->update(p, new_val);
        else right->update(p, new_val);
        val = op(left->val, right->val);
    }
    S prod(int64_t ql, int64_t qr) {
        if (qr < lt_idx || rt_idx < ql) return e();
        if (ql <= lt_idx && rt_idx <= qr) return val;
        auto left_val = left->prod(ql, qr);
        auto right_val = right->prod(ql, qr);
        return op(left_val, right_val);
    }
  private:
    dynamic_segtree<S, op, e> *left, *right;
    int64_t lt_idx, rt_idx, mid_idx;
    S val;
};

int64_t op(int64_t a, int64_t b) { return min(a, b); }
int64_t e() { return int64_t(1e18); }

const int N = 1e5 + 2;
int m, n, a[N], b[N], c[N], d[N];

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> m >> n;
    for (int i = 0; i < m; i++) cin >> a[i] >> b[i] >> c[i] >> d[i];

    vector<int> compr({1, n}); compr.reserve(m * 3 + 2);
    for (int i = 0; i < m; i++)
        compr.push_back(a[i]), compr.push_back(b[i]), compr.push_back(c[i]);
    sort(compr.begin(), compr.end());
    compr.erase(unique(compr.begin(), compr.end()), compr.end());
    auto get_compress_value = [&compr](int x) {
        return lower_bound(compr.begin(), compr.end(), x) - compr.begin() + 1;
    };
    n = get_compress_value(n);
    for (int i = 0; i < m; i++) {
        a[i] = get_compress_value(a[i]);
        b[i] = get_compress_value(b[i]);
        c[i] = get_compress_value(c[i]);
    }

    auto *Ltree = new dynamic_segtree<int64_t, op, e>(1, n);
    auto *Rtree = new dynamic_segtree<int64_t, op, e>(1, n);
    Ltree->update(1, 0), Rtree->update(n, 0);
    
    int64_t ans = e();
    for (int i = 0; i < m; i++) {
        auto min_val_left = Ltree->prod(a[i], b[i]);
        auto min_val_right = Rtree->prod(a[i], b[i]);
        ans = min(ans, min_val_left + min_val_right + d[i]);
        Ltree->update(c[i], d[i] + min_val_left);
        Rtree->update(c[i], d[i] + min_val_right);
    }
    cout << (ans == e() ? -1 : ans) << '\n';
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 724 KB Output is correct
22 Correct 2 ms 1108 KB Output is correct
23 Correct 2 ms 1108 KB Output is correct
24 Correct 2 ms 1104 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 724 KB Output is correct
22 Correct 2 ms 1108 KB Output is correct
23 Correct 2 ms 1108 KB Output is correct
24 Correct 2 ms 1104 KB Output is correct
25 Correct 19 ms 5160 KB Output is correct
26 Correct 64 ms 15836 KB Output is correct
27 Correct 224 ms 30108 KB Output is correct
28 Correct 108 ms 7112 KB Output is correct
29 Correct 171 ms 26384 KB Output is correct
30 Correct 161 ms 11300 KB Output is correct
31 Correct 411 ms 48932 KB Output is correct
32 Correct 343 ms 37104 KB Output is correct
33 Correct 36 ms 16144 KB Output is correct
34 Correct 196 ms 41168 KB Output is correct
35 Correct 210 ms 81956 KB Output is correct
36 Correct 455 ms 81984 KB Output is correct
37 Correct 366 ms 81996 KB Output is correct
38 Correct 331 ms 81924 KB Output is correct