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답안 #708792

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
708792 2023-03-12T10:00:25 Z LittleCube Bitaro, who Leaps through Time (JOI19_timeleap) C++14
100 / 100
 1184 ms 141928 KB 
#include <bits/stdc++.h>
#define int long long
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

const int T = 1'000'000'000;

struct node
{
    ll pL = 0, pR = 2 * T, ansR = 0, w = 0, posL = 0, sz = 0;
    bool non = 1;
    ll pos(ll k)
    {
        if (k <= pL)
            return posL;
        else if (k >= pR)
            return posL + (pR - pL);
        return posL + (k - pL);
    }
    ll weight(ll k)
    {
        assert(ansR <= pR);
        if (k >= ansR)
            return k - ansR + w;
        return w;
    }
    void increase(int t)
    {
        posL -= t, pL -= t, pR -= t, ansR -= t;
    }
};

node merge(node n1, node n2)
{
    node res;
    if (n1.non)
        return n2;
    if (n2.non)
        return n1;
    n2.increase(n1.sz);
    if (n1.posL + n1.pR - n1.pL < n2.pL)
        res = node{n1.ansR, n1.ansR, n1.ansR};
    else if (n2.pR < n1.posL)
        res = node{n1.ansR, n1.ansR, n1.ansR};
    else
    {
        if (n1.posL <= n2.pL)
            res.pL = n1.pL + n2.pL - n1.posL;
        else
            res.pL = n1.pL;

        if (n1.posL + n1.pR - n1.pL >= n2.pR)
            res.pR = n1.pL + n2.pR - n1.posL;
        else
            res.pR = n1.pR;
    }

    if (n2.ansR <= n1.posL + (n1.pR - n1.pL))
        res.ansR = min(n1.ansR, max(0LL, n2.ansR - n1.posL) + n1.pL);
    else
        res.ansR = n1.ansR;

    res.w = n1.weight(res.ansR) + n2.weight(n1.pos(res.ansR));
    res.posL = n2.pos(n1.pos(res.pL));
    res.sz = n1.sz + n2.sz;
    res.non = 0;
    return res;
}

int N, Q, pre[300005];

struct segTree
{
    vector<node> seg;
    // i: [L, R)
    void modify(int pos, node n, int i = 1, int L = 0, int R = N)
    {
        if (R - L == 1)
            seg[i] = n;
        else
        {
            int mid = (L + R) / 2;
            if (pos < mid)
                modify(pos, n, i << 1, L, mid);
            else
                modify(pos, n, i << 1 | 1, mid, R);
            seg[i] = merge(seg[i << 1], seg[i << 1 | 1]);
        }
    }

    node query(int qL, int qR, int i = 1, int L = 0, int R = N)
    {
        if (qL <= L && R <= qR)
            return seg[i];
        else if (qR <= L || R <= qL)
            return node{};
        else
        {
            int mid = (L + R) / 2;
            return merge(query(qL, qR, i << 1, L, mid),
                         query(qL, qR, i << 1 | 1, mid, R));
        }
    }
} Rseg, Lseg;

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> N >> Q;
    Rseg.seg.resize(1200005);
    Lseg.seg.resize(1200005);
    for (int i = 1; i < N; i++)
    {
        int L, R;
        cin >> L >> R;
        Rseg.modify(i, node{L, R - 1, R - 1, 0, L, 1, 0});
        Lseg.modify(N - i, node{L, R - 1, R - 1, 0, L, 1, 0});
    }
    for (int i = 1; i <= Q; i++)
    {
        int T, A, B, C, D;
        cin >> T;
        if (T == 1)
        {
            cin >> A >> B >> C;
            Rseg.modify(A, node{B, C - 1, C - 1, 0, B, 1, 0});
            Lseg.modify(N - A, node{B, C - 1, C - 1, 0, B, 1, 0});
        }
        else
        {
            cin >> A >> B >> C >> D;
            if (A < C)
            {
                // Rseg.query(A, C).debug();
                // merge(node{B, B, B, 0, B, 0}, Rseg.query(A, C)).debug();
                // merge(merge(node{B, B, B, 0, B, 0}, Rseg.query(A, C)), node{D, D, D, 0, D, 0}).debug();
                cout << merge(merge(node{B, B, B, 0, B, 0, 0}, Rseg.query(A, C)), node{D, D, D, 0, D, 0, 0}).w << '\n';
            }
            else if (C < A)
                cout << merge(merge(node{B, B, B, 0, B, 0, 0}, Lseg.query(N - A + 1, N - C + 1)), node{D, D, D, 0, D, 0, 0}).w << '\n';
            else
                cout << max(0LL, B - D) << '\n';
        }
    }
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 131788 KB Output is correct
2 Correct 56 ms 131816 KB Output is correct
3 Correct 51 ms 131748 KB Output is correct
4 Correct 54 ms 131804 KB Output is correct
5 Correct 54 ms 131788 KB Output is correct
6 Correct 55 ms 131716 KB Output is correct
7 Correct 56 ms 131732 KB Output is correct
8 Correct 55 ms 131848 KB Output is correct
9 Correct 53 ms 131732 KB Output is correct
10 Correct 54 ms 131852 KB Output is correct
11 Correct 59 ms 131824 KB Output is correct
12 Correct 59 ms 131884 KB Output is correct
13 Correct 64 ms 131800 KB Output is correct
14 Correct 56 ms 131796 KB Output is correct
15 Correct 56 ms 131776 KB Output is correct
16 Correct 56 ms 131772 KB Output is correct
17 Correct 57 ms 131872 KB Output is correct
18 Correct 64 ms 131880 KB Output is correct
19 Correct 59 ms 131780 KB Output is correct
20 Correct 62 ms 131792 KB Output is correct
21 Correct 56 ms 131836 KB Output is correct
22 Correct 55 ms 131812 KB Output is correct
23 Correct 60 ms 131756 KB Output is correct
24 Correct 55 ms 131916 KB Output is correct
25 Correct 57 ms 131840 KB Output is correct
26 Correct 52 ms 131792 KB Output is correct
27 Correct 54 ms 131788 KB Output is correct
28 Correct 57 ms 131764 KB Output is correct
29 Correct 53 ms 131832 KB Output is correct
30 Correct 57 ms 131824 KB Output is correct
31 Correct 72 ms 131820 KB Output is correct
32 Correct 62 ms 131820 KB Output is correct
33 Correct 61 ms 131784 KB Output is correct
34 Correct 54 ms 131816 KB Output is correct
35 Correct 54 ms 131848 KB Output is correct
36 Correct 61 ms 131816 KB Output is correct
37 Correct 69 ms 131780 KB Output is correct
38 Correct 60 ms 131876 KB Output is correct
39 Correct 59 ms 131844 KB Output is correct
40 Correct 58 ms 131792 KB Output is correct
41 Correct 53 ms 131708 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1126 ms 139556 KB Output is correct
2 Correct 939 ms 138340 KB Output is correct
3 Correct 928 ms 138344 KB Output is correct
4 Correct 896 ms 138344 KB Output is correct
5 Correct 1031 ms 138256 KB Output is correct
6 Correct 947 ms 138180 KB Output is correct
7 Correct 967 ms 138228 KB Output is correct
8 Correct 979 ms 138240 KB Output is correct
9 Correct 932 ms 138184 KB Output is correct
10 Correct 971 ms 138216 KB Output is correct
11 Correct 973 ms 137900 KB Output is correct
12 Correct 988 ms 137756 KB Output is correct
13 Correct 956 ms 137504 KB Output is correct
14 Correct 62 ms 131792 KB Output is correct

Subtask #3
66.0 / 66.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 131788 KB Output is correct
2 Correct 56 ms 131816 KB Output is correct
3 Correct 51 ms 131748 KB Output is correct
4 Correct 54 ms 131804 KB Output is correct
5 Correct 54 ms 131788 KB Output is correct
6 Correct 55 ms 131716 KB Output is correct
7 Correct 56 ms 131732 KB Output is correct
8 Correct 55 ms 131848 KB Output is correct
9 Correct 53 ms 131732 KB Output is correct
10 Correct 54 ms 131852 KB Output is correct
11 Correct 59 ms 131824 KB Output is correct
12 Correct 59 ms 131884 KB Output is correct
13 Correct 64 ms 131800 KB Output is correct
14 Correct 56 ms 131796 KB Output is correct
15 Correct 56 ms 131776 KB Output is correct
16 Correct 56 ms 131772 KB Output is correct
17 Correct 57 ms 131872 KB Output is correct
18 Correct 64 ms 131880 KB Output is correct
19 Correct 59 ms 131780 KB Output is correct
20 Correct 62 ms 131792 KB Output is correct
21 Correct 56 ms 131836 KB Output is correct
22 Correct 55 ms 131812 KB Output is correct
23 Correct 60 ms 131756 KB Output is correct
24 Correct 55 ms 131916 KB Output is correct
25 Correct 57 ms 131840 KB Output is correct
26 Correct 52 ms 131792 KB Output is correct
27 Correct 54 ms 131788 KB Output is correct
28 Correct 57 ms 131764 KB Output is correct
29 Correct 53 ms 131832 KB Output is correct
30 Correct 57 ms 131824 KB Output is correct
31 Correct 72 ms 131820 KB Output is correct
32 Correct 62 ms 131820 KB Output is correct
33 Correct 61 ms 131784 KB Output is correct
34 Correct 54 ms 131816 KB Output is correct
35 Correct 54 ms 131848 KB Output is correct
36 Correct 61 ms 131816 KB Output is correct
37 Correct 69 ms 131780 KB Output is correct
38 Correct 60 ms 131876 KB Output is correct
39 Correct 59 ms 131844 KB Output is correct
40 Correct 58 ms 131792 KB Output is correct
41 Correct 53 ms 131708 KB Output is correct
42 Correct 1126 ms 139556 KB Output is correct
43 Correct 939 ms 138340 KB Output is correct
44 Correct 928 ms 138344 KB Output is correct
45 Correct 896 ms 138344 KB Output is correct
46 Correct 1031 ms 138256 KB Output is correct
47 Correct 947 ms 138180 KB Output is correct
48 Correct 967 ms 138228 KB Output is correct
49 Correct 979 ms 138240 KB Output is correct
50 Correct 932 ms 138184 KB Output is correct
51 Correct 971 ms 138216 KB Output is correct
52 Correct 973 ms 137900 KB Output is correct
53 Correct 988 ms 137756 KB Output is correct
54 Correct 956 ms 137504 KB Output is correct
55 Correct 62 ms 131792 KB Output is correct
56 Correct 1093 ms 141644 KB Output is correct
57 Correct 1034 ms 141928 KB Output is correct
58 Correct 1128 ms 141504 KB Output is correct
59 Correct 1091 ms 141504 KB Output is correct
60 Correct 1043 ms 141504 KB Output is correct
61 Correct 1134 ms 141556 KB Output is correct
62 Correct 1129 ms 141084 KB Output is correct
63 Correct 1155 ms 141108 KB Output is correct
64 Correct 1086 ms 140772 KB Output is correct
65 Correct 1062 ms 140748 KB Output is correct
66 Correct 1093 ms 140864 KB Output is correct
67 Correct 1163 ms 140568 KB Output is correct
68 Correct 1059 ms 140924 KB Output is correct
69 Correct 1095 ms 140768 KB Output is correct
70 Correct 1113 ms 140444 KB Output is correct
71 Correct 1031 ms 140440 KB Output is correct
72 Correct 1126 ms 140204 KB Output is correct
73 Correct 1115 ms 140148 KB Output is correct
74 Correct 1184 ms 140080 KB Output is correct
75 Correct 1174 ms 139864 KB Output is correct
76 Correct 1179 ms 139724 KB Output is correct
77 Correct 65 ms 131804 KB Output is correct