oj.uz

Submission #583022

# Submission time Handle Problem Language Result Execution time Memory
583022 2022-06-24T17:38:15 Z elkernos Treatment Project (JOI20_treatment) C++17
100 / 100
 180 ms 11884 KB 
#include <bits/stdc++.h>

using namespace std;

const int oo = 2e9;

struct Tree {
    typedef pair<int, int> T;
    static constexpr T unit = {-oo, -oo};
    T f(T a, T b) { return max(a, b); }
    vector<T> s;
    int n;
    Tree(int nn) : s(2 * nn, unit), n(nn) {}
    void update(int pos, T val)
    {
        for(s[pos += n] = val; pos /= 2;) {
            s[pos] = f(s[pos * 2], s[pos * 2 + 1]);
        }
    }
    T query(int b, int e)
    {
        T ra = unit, rb = unit;
        for(b += n, e += n + 1; b < e; b /= 2, e /= 2) {
            if(b % 2) ra = f(ra, s[b++]);
            if(e % 2) rb = f(s[--e], rb);
        }
        return f(ra, rb);
    }
};

struct treatment {
    int t, l, r, c;
    pair<int, int> pocz, kon;
    void read()
    {
        cin >> t >> l >> r >> c;
        r++;
        pocz.first = l + t;
        pocz.second = t - l;
        kon.first = r + t;
        kon.second = t - r;
    }
    bool operator<(const treatment &he) const
    {
        return pocz.first < he.pocz.first;
    }
};

int main()
{
    cin.tie(nullptr)->sync_with_stdio(0);
    int n, m;
    cin >> n >> m;
    vector<treatment> they(m + 1);
    for(int i = 1; i <= m; i++) {
        they[i].read();
    }
    sort(they.begin() + 1, they.end());
    Tree tree(m + 123);
#define T pair<long long, int>
    priority_queue<T, vector<T>, greater<T>> q;
    const long long ool = 1e18 + 5;
    vector<long long> d(m + 1);
    for(int i = 1; i <= m; i++) {
        if(they[i].l == 1) {
            d[i] = they[i].c;
            q.push({d[i], i});
        }
        else {
            d[i] = ool;
            tree.update(i, {they[i].pocz.second, i});
        }
    }
    while(!q.empty()) {
        pair<long long, int> t = q.top();
        q.pop();
        assert(t.first == d[t.second]);
        while(true) {
            int lo = 1, hi = m, ans = 0;
            while(lo <= hi) {
                int mid = (lo + hi) / 2;
                if(they[t.second].kon.first < they[mid].pocz.first) {
                    hi = mid - 1;
                }
                else {
                    lo = mid + 1;
                    ans = mid;
                }
            }
            pair<int, int> maybe = tree.query(1, ans);
            if(maybe.first < they[t.second].kon.second) {
                break;
            }
            assert(d[maybe.second] > they[maybe.second].c + t.first);
            q.emplace(d[maybe.second] = they[maybe.second].c + t.first, maybe.second);
            tree.update(maybe.second, {-oo, -oo});
        }
    }
    long long ans = ool;
    for(int i = 1; i <= m; i++) {
        if(they[i].r == n + 1) {
            ans = min(ans, d[i]);
        }
    }
    cout << (ans == ool ? -1 : ans) << '\n';
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 5748 KB Output is correct
2 Correct 78 ms 8944 KB Output is correct
3 Correct 94 ms 8564 KB Output is correct
4 Correct 90 ms 8604 KB Output is correct
5 Correct 114 ms 11076 KB Output is correct
6 Correct 105 ms 9160 KB Output is correct
7 Correct 99 ms 8780 KB Output is correct
8 Correct 63 ms 8896 KB Output is correct
9 Correct 57 ms 8812 KB Output is correct
10 Correct 62 ms 8812 KB Output is correct
11 Correct 127 ms 11088 KB Output is correct
12 Correct 128 ms 11148 KB Output is correct
13 Correct 132 ms 10988 KB Output is correct
14 Correct 134 ms 11068 KB Output is correct
15 Correct 106 ms 8964 KB Output is correct
16 Correct 107 ms 8948 KB Output is correct
17 Correct 101 ms 8148 KB Output is correct
18 Correct 113 ms 10356 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 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 252 KB Output is correct
12 Correct 0 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 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 252 KB Output is correct
12 Correct 0 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 4 ms 596 KB Output is correct
21 Correct 4 ms 596 KB Output is correct
22 Correct 5 ms 596 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 6 ms 724 KB Output is correct
25 Correct 6 ms 596 KB Output is correct
26 Correct 6 ms 596 KB Output is correct
27 Correct 5 ms 596 KB Output is correct
28 Correct 6 ms 724 KB Output is correct
29 Correct 6 ms 596 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 6 ms 724 KB Output is correct
33 Correct 5 ms 724 KB Output is correct
34 Correct 6 ms 596 KB Output is correct
35 Correct 6 ms 724 KB Output is correct
36 Correct 5 ms 724 KB Output is correct
37 Correct 5 ms 596 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 5748 KB Output is correct
2 Correct 78 ms 8944 KB Output is correct
3 Correct 94 ms 8564 KB Output is correct
4 Correct 90 ms 8604 KB Output is correct
5 Correct 114 ms 11076 KB Output is correct
6 Correct 105 ms 9160 KB Output is correct
7 Correct 99 ms 8780 KB Output is correct
8 Correct 63 ms 8896 KB Output is correct
9 Correct 57 ms 8812 KB Output is correct
10 Correct 62 ms 8812 KB Output is correct
11 Correct 127 ms 11088 KB Output is correct
12 Correct 128 ms 11148 KB Output is correct
13 Correct 132 ms 10988 KB Output is correct
14 Correct 134 ms 11068 KB Output is correct
15 Correct 106 ms 8964 KB Output is correct
16 Correct 107 ms 8948 KB Output is correct
17 Correct 101 ms 8148 KB Output is correct
18 Correct 113 ms 10356 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 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 252 KB Output is correct
30 Correct 0 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 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 4 ms 596 KB Output is correct
39 Correct 4 ms 596 KB Output is correct
40 Correct 5 ms 596 KB Output is correct
41 Correct 5 ms 596 KB Output is correct
42 Correct 6 ms 724 KB Output is correct
43 Correct 6 ms 596 KB Output is correct
44 Correct 6 ms 596 KB Output is correct
45 Correct 5 ms 596 KB Output is correct
46 Correct 6 ms 724 KB Output is correct
47 Correct 6 ms 596 KB Output is correct
48 Correct 3 ms 596 KB Output is correct
49 Correct 4 ms 596 KB Output is correct
50 Correct 6 ms 724 KB Output is correct
51 Correct 5 ms 724 KB Output is correct
52 Correct 6 ms 596 KB Output is correct
53 Correct 6 ms 724 KB Output is correct
54 Correct 5 ms 724 KB Output is correct
55 Correct 5 ms 596 KB Output is correct
56 Correct 101 ms 8948 KB Output is correct
57 Correct 112 ms 9880 KB Output is correct
58 Correct 108 ms 8052 KB Output is correct
59 Correct 114 ms 8524 KB Output is correct
60 Correct 114 ms 9156 KB Output is correct
61 Correct 110 ms 8012 KB Output is correct
62 Correct 98 ms 8944 KB Output is correct
63 Correct 110 ms 8940 KB Output is correct
64 Correct 119 ms 8948 KB Output is correct
65 Correct 106 ms 9200 KB Output is correct
66 Correct 113 ms 9204 KB Output is correct
67 Correct 147 ms 9708 KB Output is correct
68 Correct 146 ms 9584 KB Output is correct
69 Correct 138 ms 9632 KB Output is correct
70 Correct 180 ms 9820 KB Output is correct
71 Correct 154 ms 9680 KB Output is correct
72 Correct 128 ms 9580 KB Output is correct
73 Correct 151 ms 9876 KB Output is correct
74 Correct 75 ms 9628 KB Output is correct
75 Correct 65 ms 9584 KB Output is correct
76 Correct 145 ms 11512 KB Output is correct
77 Correct 152 ms 11880 KB Output is correct
78 Correct 156 ms 11404 KB Output is correct
79 Correct 164 ms 9708 KB Output is correct
80 Correct 126 ms 9320 KB Output is correct
81 Correct 76 ms 9712 KB Output is correct
82 Correct 114 ms 8740 KB Output is correct
83 Correct 125 ms 8920 KB Output is correct
84 Correct 144 ms 8908 KB Output is correct
85 Correct 103 ms 9580 KB Output is correct
86 Correct 117 ms 9580 KB Output is correct
87 Correct 105 ms 9584 KB Output is correct
88 Correct 108 ms 9692 KB Output is correct
89 Correct 106 ms 9580 KB Output is correct
90 Correct 151 ms 11784 KB Output is correct
91 Correct 118 ms 10740 KB Output is correct
92 Correct 121 ms 9580 KB Output is correct
93 Correct 135 ms 9580 KB Output is correct
94 Correct 124 ms 9844 KB Output is correct
95 Correct 125 ms 9584 KB Output is correct
96 Correct 149 ms 11760 KB Output is correct
97 Correct 154 ms 11848 KB Output is correct
98 Correct 154 ms 11884 KB Output is correct
99 Correct 144 ms 11796 KB Output is correct
100 Correct 132 ms 11768 KB Output is correct
101 Correct 143 ms 11764 KB Output is correct
102 Correct 140 ms 11824 KB Output is correct
103 Correct 104 ms 9972 KB Output is correct