oj.uz

Submission #612423

# Submission time Handle Problem Language Result Execution time Memory
612423 2022-07-29T14:39:10 Z Loki_Nguyen Treatment Project (JOI20_treatment) C++14
100 / 100
 377 ms 15060 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push back
#define pii pair<int, int>
#define pll pair<ll, int>
using namespace std;
const int N = 1e6 + 6;
const int mod = 1e9 + 7;
const int inf = 2e9 + 7;
struct node
{
    int t, l, r, v;
    bool operator<(const node &u) const
    {
        return t < u.t;
    }
} d[N];
struct IT
{
    int n;
    vector<pii> st;
    IT(int _n)
    {
        n = _n;
        st.resize(n * 4 + 4, make_pair(inf, 0));
    }
    void build(int id, int l, int r, int pos, pii v)
    {
        if (l == r)
        {
            st[id] = v;
            return;
        }
        int mid = (l + r) >> 1;
        if (pos <= mid)
            build(id << 1, l, mid, pos, v);
        else
            build(id << 1 | 1, mid + 1, r, pos, v);
        st[id] = min(st[id << 1], st[id << 1 | 1]);
    }
    void build(int pos, pii v)
    {
        build(1, 1, n, pos, v);
    }
    pii get(int id, int l, int r, int u, int v)
    {
        if (u <= l && r <= v)
            return st[id];
        if (u > r || l > v)
            return make_pair(inf, 0);
        int mid = (l + r) >> 1;
        return min(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
    }
    pii get(int l, int r)
    {
        if (l > r)
            return make_pair(inf, 0);
        return get(1, 1, n, l, r);
    }
};
int n, m, k, t, a[N], b[N], l[N], r[N];
ll ans;
int main()
{
    cin.tie(0);
    cin >> n >> m;
    ans = -1;
    priority_queue<pll, vector<pll>, greater<pll>> pq;
    for (int i = 1; i <= m; i++)
        cin >> d[i].t >> d[i].l >> d[i].r >> d[i].v;
    sort(d + 1, d + 1 + m);
    IT L(m), R(m);
    for (int i = 1; i <= m; i++)
    {
        --d[i].l;
        //cout << d[i].t << " " << d[i].l << " " << d[i].r << " " << d[i].v << '\n';
        if (i > 1 && d[i].t == d[i - 1].t)
            l[i] = l[i - 1];
        else
            l[i] = i;        
        if (d[i].l == 0)
        {
            pq.push({d[i].v, i});
            continue;
        }

        L.build(i, make_pair(d[i].l - d[i].t, i));
        R.build(i, make_pair(d[i].l + d[i].t, i));
    }
    r[m] = m;
    for (int i = m - 1; i > 0; i--)
    {
        if (d[i].t == d[i + 1].t)
            r[i] = r[i + 1];
        else
            r[i] = i;
    }
    while (!pq.empty())
    {
        pll u = pq.top();
        pq.pop();
        //cout << u.se << " " << u.fi << '\n';
        if (d[u.se].r == n)
        {
            if (ans == -1 || ans > u.fi)
                ans = u.fi;
        }
        k = d[u.se].r - d[u.se].t;
        while (true)
        {
            pii v = L.get(1, r[u.se]);
            if (v.fi <= k)
            {
                L.build(v.se, make_pair(inf, 0));
                R.build(v.se, make_pair(inf, 0));
                pq.push({u.fi+d[v.se].v, v.se});
            }
            else
                break;
        }
        k = d[u.se].r + d[u.se].t;
        while (true)
        {
            pii v = R.get(l[u.se], m);
            if (v.fi <= k)
            {
                R.build(v.se, make_pair(inf, 0));
                L.build(v.se, make_pair(inf, 0));
                pq.push({u.fi+d[v.se].v, v.se});
            }
            else
                break;
        }
    }
    cout << ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 213 ms 12184 KB Output is correct
2 Correct 159 ms 12120 KB Output is correct
3 Correct 159 ms 11680 KB Output is correct
4 Correct 154 ms 12244 KB Output is correct
5 Correct 195 ms 14148 KB Output is correct
6 Correct 180 ms 12268 KB Output is correct
7 Correct 167 ms 11944 KB Output is correct
8 Correct 146 ms 12020 KB Output is correct
9 Correct 139 ms 11976 KB Output is correct
10 Correct 137 ms 11960 KB Output is correct
11 Correct 213 ms 14272 KB Output is correct
12 Correct 241 ms 14228 KB Output is correct
13 Correct 211 ms 14180 KB Output is correct
14 Correct 203 ms 14184 KB Output is correct
15 Correct 222 ms 12096 KB Output is correct
16 Correct 202 ms 12096 KB Output is correct
17 Correct 178 ms 11372 KB Output is correct
18 Correct 195 ms 13448 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 11 ms 852 KB Output is correct
21 Correct 9 ms 820 KB Output is correct
22 Correct 11 ms 948 KB Output is correct
23 Correct 10 ms 936 KB Output is correct
24 Correct 12 ms 1092 KB Output is correct
25 Correct 12 ms 948 KB Output is correct
26 Correct 12 ms 972 KB Output is correct
27 Correct 11 ms 960 KB Output is correct
28 Correct 11 ms 1068 KB Output is correct
29 Correct 11 ms 956 KB Output is correct
30 Correct 8 ms 852 KB Output is correct
31 Correct 9 ms 852 KB Output is correct
32 Correct 12 ms 1108 KB Output is correct
33 Correct 12 ms 1108 KB Output is correct
34 Correct 19 ms 956 KB Output is correct
35 Correct 12 ms 1108 KB Output is correct
36 Correct 12 ms 1032 KB Output is correct
37 Correct 12 ms 852 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 213 ms 12184 KB Output is correct
2 Correct 159 ms 12120 KB Output is correct
3 Correct 159 ms 11680 KB Output is correct
4 Correct 154 ms 12244 KB Output is correct
5 Correct 195 ms 14148 KB Output is correct
6 Correct 180 ms 12268 KB Output is correct
7 Correct 167 ms 11944 KB Output is correct
8 Correct 146 ms 12020 KB Output is correct
9 Correct 139 ms 11976 KB Output is correct
10 Correct 137 ms 11960 KB Output is correct
11 Correct 213 ms 14272 KB Output is correct
12 Correct 241 ms 14228 KB Output is correct
13 Correct 211 ms 14180 KB Output is correct
14 Correct 203 ms 14184 KB Output is correct
15 Correct 222 ms 12096 KB Output is correct
16 Correct 202 ms 12096 KB Output is correct
17 Correct 178 ms 11372 KB Output is correct
18 Correct 195 ms 13448 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 308 KB Output is correct
38 Correct 11 ms 852 KB Output is correct
39 Correct 9 ms 820 KB Output is correct
40 Correct 11 ms 948 KB Output is correct
41 Correct 10 ms 936 KB Output is correct
42 Correct 12 ms 1092 KB Output is correct
43 Correct 12 ms 948 KB Output is correct
44 Correct 12 ms 972 KB Output is correct
45 Correct 11 ms 960 KB Output is correct
46 Correct 11 ms 1068 KB Output is correct
47 Correct 11 ms 956 KB Output is correct
48 Correct 8 ms 852 KB Output is correct
49 Correct 9 ms 852 KB Output is correct
50 Correct 12 ms 1108 KB Output is correct
51 Correct 12 ms 1108 KB Output is correct
52 Correct 19 ms 956 KB Output is correct
53 Correct 12 ms 1108 KB Output is correct
54 Correct 12 ms 1032 KB Output is correct
55 Correct 12 ms 852 KB Output is correct
56 Correct 176 ms 11904 KB Output is correct
57 Correct 202 ms 13180 KB Output is correct
58 Correct 220 ms 11188 KB Output is correct
59 Correct 201 ms 11632 KB Output is correct
60 Correct 214 ms 12536 KB Output is correct
61 Correct 184 ms 11376 KB Output is correct
62 Correct 184 ms 12072 KB Output is correct
63 Correct 196 ms 12160 KB Output is correct
64 Correct 197 ms 12072 KB Output is correct
65 Correct 197 ms 12232 KB Output is correct
66 Correct 201 ms 12356 KB Output is correct
67 Correct 266 ms 12912 KB Output is correct
68 Correct 278 ms 12872 KB Output is correct
69 Correct 254 ms 12884 KB Output is correct
70 Correct 279 ms 13132 KB Output is correct
71 Correct 267 ms 12824 KB Output is correct
72 Correct 263 ms 12880 KB Output is correct
73 Correct 322 ms 12936 KB Output is correct
74 Correct 180 ms 12812 KB Output is correct
75 Correct 181 ms 12764 KB Output is correct
76 Correct 285 ms 14656 KB Output is correct
77 Correct 377 ms 15060 KB Output is correct
78 Correct 311 ms 14588 KB Output is correct
79 Correct 284 ms 12868 KB Output is correct
80 Correct 284 ms 12408 KB Output is correct
81 Correct 171 ms 12764 KB Output is correct
82 Correct 264 ms 11892 KB Output is correct
83 Correct 261 ms 12012 KB Output is correct
84 Correct 261 ms 12008 KB Output is correct
85 Correct 221 ms 12892 KB Output is correct
86 Correct 236 ms 12776 KB Output is correct
87 Correct 291 ms 12820 KB Output is correct
88 Correct 246 ms 12828 KB Output is correct
89 Correct 272 ms 12716 KB Output is correct
90 Correct 310 ms 14912 KB Output is correct
91 Correct 268 ms 13988 KB Output is correct
92 Correct 228 ms 12748 KB Output is correct
93 Correct 280 ms 12868 KB Output is correct
94 Correct 289 ms 13076 KB Output is correct
95 Correct 272 ms 12852 KB Output is correct
96 Correct 308 ms 14964 KB Output is correct
97 Correct 276 ms 14968 KB Output is correct
98 Correct 290 ms 15036 KB Output is correct
99 Correct 273 ms 15000 KB Output is correct
100 Correct 259 ms 14928 KB Output is correct
101 Correct 274 ms 14952 KB Output is correct
102 Correct 298 ms 14956 KB Output is correct
103 Correct 259 ms 13184 KB Output is correct