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답안 #152782

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
152782 2019-09-09T13:40:15 Z dolphingarlic Pinball (JOI14_pinball) C++14
51 / 100
 909 ms 77176 KB 
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

struct Barrier {
    int a, b, c, d;
} brs[100000];
set<int> xs;
map<int, int> compressed;
ll segtree[808080], dp1[100000], dp2[100000];
int m, n;

void update(int pos, ll val, int node = 1, int l = 1, int r = xs.size()) {
    if (l == r) segtree[node] = min(segtree[node], val);
    else {
        int mid = (l + r) / 2;
        if (pos > mid) update(pos, val, node * 2 + 1, mid + 1, r);
        else update(pos, val, node * 2, l, mid);
        segtree[node] = min(segtree[node * 2], segtree[node * 2 + 1]);
    }
}
ll query(int x, int y, int node = 1, int l = 1, int r = xs.size()) {
    if (x > r || y < l) return LLONG_MAX / m;
    else if (x <= l && y >= r) return segtree[node];
    else {
        int mid = (l + r) / 2;
        return min(query(x, y, node * 2, l, mid), query(x, y, node * 2 + 1, mid + 1, r));
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> m >> n;
    xs.insert(1);
    xs.insert(n);
    FOR(i, 0, m) {
        cin >> brs[i].a >> brs[i].b >> brs[i].c >> brs[i].d;
        xs.insert(brs[i].a); xs.insert(brs[i].b); xs.insert(brs[i].c);
    }
    int indx = 1;
    for (int i : xs) {
        compressed[i] = indx++;
    }

    fill(segtree, segtree + 808080, LLONG_MAX / m);
    update(1, 0);
    FOR(i, 0, m) {
        dp1[i] = query(compressed[brs[i].a], compressed[brs[i].b]) + brs[i].d;
        update(compressed[brs[i].c], dp1[i]);
    }

    fill(segtree, segtree + 808080, LLONG_MAX / m);
    update(xs.size(), 0);
    FOR(i, 0, m) {
        dp2[i] = query(compressed[brs[i].a], compressed[brs[i].b]) + brs[i].d;
        update(compressed[brs[i].c], dp2[i]);
    }

    ll ans = LLONG_MAX;
    FOR(i, 0, m) ans = min(ans, dp1[i] + dp2[i] - brs[i].d);
    if (ans < LLONG_MAX / m) cout << ans;
    else cout << -1;
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 8 ms 6648 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6676 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 8 ms 6648 KB Output is correct
8 Correct 9 ms 6648 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 8 ms 6648 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6676 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 8 ms 6648 KB Output is correct
8 Correct 9 ms 6648 KB Output is correct
9 Correct 8 ms 6776 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6776 KB Output is correct
13 Correct 9 ms 6776 KB Output is correct
14 Correct 8 ms 6776 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 8 ms 6648 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6676 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 8 ms 6648 KB Output is correct
8 Correct 9 ms 6648 KB Output is correct
9 Correct 8 ms 6776 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6776 KB Output is correct
13 Correct 9 ms 6776 KB Output is correct
14 Correct 8 ms 6776 KB Output is correct
15 Correct 8 ms 6776 KB Output is correct
16 Correct 9 ms 6776 KB Output is correct
17 Correct 11 ms 6904 KB Output is correct
18 Correct 9 ms 6776 KB Output is correct
19 Correct 11 ms 7032 KB Output is correct
20 Correct 11 ms 6904 KB Output is correct
21 Correct 10 ms 6876 KB Output is correct
22 Correct 12 ms 7032 KB Output is correct
23 Correct 11 ms 7032 KB Output is correct
24 Correct 11 ms 7032 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 8 ms 6648 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6676 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 8 ms 6648 KB Output is correct
8 Correct 9 ms 6648 KB Output is correct
9 Correct 8 ms 6776 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6776 KB Output is correct
13 Correct 9 ms 6776 KB Output is correct
14 Correct 8 ms 6776 KB Output is correct
15 Correct 8 ms 6776 KB Output is correct
16 Correct 9 ms 6776 KB Output is correct
17 Correct 11 ms 6904 KB Output is correct
18 Correct 9 ms 6776 KB Output is correct
19 Correct 11 ms 7032 KB Output is correct
20 Correct 11 ms 6904 KB Output is correct
21 Correct 10 ms 6876 KB Output is correct
22 Correct 12 ms 7032 KB Output is correct
23 Correct 11 ms 7032 KB Output is correct
24 Correct 11 ms 7032 KB Output is correct
25 Correct 58 ms 8888 KB Output is correct
26 Correct 187 ms 13612 KB Output is correct
27 Correct 576 ms 21116 KB Output is correct
28 Correct 240 ms 13848 KB Output is correct
29 Correct 359 ms 18680 KB Output is correct
30 Correct 412 ms 15480 KB Output is correct
31 Correct 909 ms 29612 KB Output is correct
32 Correct 798 ms 25052 KB Output is correct
33 Correct 108 ms 13432 KB Output is correct
34 Correct 440 ms 24248 KB Output is correct
35 Runtime error 283 ms 77176 KB Execution killed with signal 11 (could be triggered by violating memory limits)
36 Halted 0 ms 0 KB -