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Submission #859347

# Submission time Handle Problem Language Result Execution time Memory
859347 2023-10-10T04:31:29 Z sleepntsheep Pinball (JOI14_pinball) C++17
100 / 100
 154 ms 18136 KB 
#include <cstdio>
#include <cstring>
#include <cassert>
#include <string>
#include <deque>
#include <vector>
#include <map>
#include <queue>
#include <algorithm>
#include <iostream>
#include <utility>
using namespace std;
using ll=long long;

#define N 200005
#define ALL(x) x.begin(), x.end()

int m, n;
struct pinball { ll a, b, c, d; } a[N];

int compress()
{
    vector<ll> crd = {1,n};
    for (int i = 1; i <= m; ++i) crd.push_back(a[i].a), crd.push_back(a[i].b), crd.push_back(a[i].c);
    sort(ALL(crd));
    crd.erase(unique(ALL(crd)), crd.end());
    for (int i = 1; i <= m; ++i) a[i].a = lower_bound(ALL(crd), a[i].a) - crd.begin(),
        a[i].b = lower_bound(ALL(crd), a[i].b) - crd.begin(),
        a[i].c = lower_bound(ALL(crd), a[i].c) - crd.begin();
    return crd.size();
}

struct min_segtree
{
    vector<ll> t;
    min_segtree(int n) : t(n<<1, 1e18) {};
    ll qry(int l, int r)
    {
        ll z = 1e18;
        for (l += n, r += n + 1; l < r; l/=2,r/=2)
        {
            if(l&1)z=min(z,t[l++]);
            if(r&1)z=min(t[--r],z);
        }
        return z;
    }
    void set(int p, ll k) { for (p+=n,t[p]=min(t[p],k);p/=2;)t[p]=min(t[p*2], t[p*2+1]); }
};

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    cin >> m >> n;
    for (int i = 1; i <= m; ++i) cin >> a[i].a >> a[i].b >> a[i].c >> a[i].d;
    n = compress();

    min_segtree tl(n), tr(n);

    ll z = 1e18;

    tl.set(0, 0);
    tr.set(n-1, 0);

    for (int i = 1; i <= m; ++i)
    {
        z = min(z, tl.qry(a[i].a, a[i].b) + tr.qry(a[i].a, a[i].b) + a[i].d);
        tl.set(a[i].c, tl.qry(a[i].a, a[i].b) + a[i].d);
        tr.set(a[i].c, tr.qry(a[i].a, a[i].b) + a[i].d);
    }

    cout << (z < 1e18? z:-1);

    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 472 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 472 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 472 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 604 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 472 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 12 ms 3572 KB Output is correct
26 Correct 36 ms 5312 KB Output is correct
27 Correct 97 ms 8284 KB Output is correct
28 Correct 93 ms 13032 KB Output is correct
29 Correct 70 ms 7488 KB Output is correct
30 Correct 116 ms 14284 KB Output is correct
31 Correct 154 ms 14540 KB Output is correct
32 Correct 141 ms 13516 KB Output is correct
33 Correct 16 ms 5376 KB Output is correct
34 Correct 63 ms 9448 KB Output is correct
35 Correct 87 ms 18136 KB Output is correct
36 Correct 150 ms 17944 KB Output is correct
37 Correct 110 ms 17968 KB Output is correct
38 Correct 104 ms 17944 KB Output is correct