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답안 #1032420

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1032420 2024-07-23T17:39:09 Z Blagoj 푸드 코트 (JOI21_foodcourt) C++17
24 / 100
 298 ms 74068 KB 
#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define ll long long
#define all(x) (x).begin(), (x).end()

const int mxn = 3e5 + 100;

struct Node {
    ll sum = 0, suf = 0, total = 0;
} null;

struct SGT {
    vector<Node> sgt;

    SGT(int sz) {
        sgt.resize(4 * sz);
    }

    void merge(Node &k, Node k1, Node k2) {
        k.sum = k1.sum + k2.sum;
        k.suf = max(k2.suf, k1.suf + k2.sum);
    }

    void fix(int k, int l, int r, int i, ll val) {
        if (l > i || r < i) return;
        if (l == r) {
            sgt[k].sum = val;
            sgt[k].suf = max(val, 0LL);
            return;
        }
        int mid = (l + r) / 2;
        fix(k * 2, l, mid, i, val);
        fix(k * 2 + 1, mid + 1, r, i, val);
        merge(sgt[k], sgt[k * 2], sgt[k * 2 + 1]);
    }

    void update(int k, int l, int r, int i, ll val) {
        if (l > i || r < i) return;
        if (l == r) {
            sgt[k].total = val;
            return;
        }
        int mid = (l + r) / 2;
        update(k * 2, l, mid, i, val);
        update(k * 2 + 1, mid + 1, r, i, val);
        sgt[k].total = sgt[k * 2].total + sgt[k * 2 + 1].total;
    }

    Node mx(int k, int l, int r, int i, int j) {
        if (l > j || r < i) return null;
        if (i <= l && r <= j) return sgt[k];
        int mid = (l + r) / 2;
        Node ansL = mx(k * 2, l, mid, i, j), ansR = mx(k * 2 + 1, mid + 1, r, i, j);
        Node ans;
        merge(ans, ansL, ansR);
        return ans;
    }

    ll get(int k, int l, int r, int i, int j) {
        if (l > j || r < i) return 0;
        if (i <= l && r <= j) return sgt[k].total;
        int mid = (l + r) / 2;
        return get(k * 2, l, mid, i, j) + get(k * 2 + 1, mid + 1, r, i, j);
    }

    ll walk(int k, int l, int r, int i) {
        if (l == r) return sgt[k].total > i ? l : l + 1;
        int mid = (l + r) / 2;
        if (sgt[k * 2].total > i) return walk(k * 2, l, mid, i);
        return walk(k * 2 + 1, mid + 1, r, i - sgt[k * 2].total);
    }
} sgt(mxn);

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m, q;
    cin >> n >> m >> q;
    vector<pair<int, int>> qs[n + 10], fs[n + 10], xs[n + 10]; 
    ll l[q + 10], r[q + 10], c[q + 10], k[q + 10], a[q + 10], b[q + 10];
    for (int i = 0; i < q; i++) {
        int type;
        cin >> type;
        if (type == 1) {
            cin >> l[i] >> r[i] >> c[i] >> k[i];
            qs[l[i]].push_back({i, k[i]});
            qs[r[i] + 1].push_back({i, 0});
            fs[l[i]].push_back({i, k[i]});
            fs[r[i] + 1].push_back({i, 0});
        }
        if (type == 2) {
            cin >> l[i] >> r[i] >> k[i];
            qs[l[i]].push_back({i, -k[i]});
            qs[r[i] + 1].push_back({i, 0});
        }
        if (type == 3) {
            cin >> a[i] >> b[i];
            xs[a[i]].push_back({i, b[i]});
        }
    }
    ll ans[q + 10];
    memset(ans, -1, sizeof(ans));
    for (int i = 1; i <= n; i++) {
        for (auto x : qs[i]) sgt.fix(1, 0, q - 1, x.first, x.second);
        for (auto x : fs[i]) sgt.update(1, 0, q - 1, x.first, x.second);
        for (auto x : xs[i]) {
            Node val = sgt.mx(1, 0, q - 1, 0, x.first);
            if (val.suf < x.second) {
                ans[x.first] = 0;
                continue; 
            }
            ll ind = sgt.get(1, 0, q - 1, 0, x.first) - val.suf + x.second;
            ans[x.first] = c[sgt.walk(1, 0, q - 1, ind - 1)]; 
        }
    }
    for (int i = 0; i < q; i++) {
        if (ans[i] != -1) cout << ans[i] << endl;
    }
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 28764 KB Output is correct
2 Correct 12 ms 29020 KB Output is correct
3 Correct 12 ms 28764 KB Output is correct
4 Correct 12 ms 28932 KB Output is correct
5 Correct 11 ms 28764 KB Output is correct
6 Correct 11 ms 28764 KB Output is correct
7 Correct 11 ms 28852 KB Output is correct
8 Correct 11 ms 28924 KB Output is correct
9 Correct 12 ms 29020 KB Output is correct
10 Correct 12 ms 29020 KB Output is correct
11 Correct 12 ms 28884 KB Output is correct
12 Correct 15 ms 29016 KB Output is correct
13 Correct 12 ms 28764 KB Output is correct
14 Correct 12 ms 28952 KB Output is correct
15 Correct 11 ms 28764 KB Output is correct
16 Correct 11 ms 28764 KB Output is correct
17 Correct 13 ms 28764 KB Output is correct
18 Correct 12 ms 28932 KB Output is correct
19 Correct 12 ms 28760 KB Output is correct
20 Correct 12 ms 28816 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 28764 KB Output is correct
2 Correct 12 ms 29020 KB Output is correct
3 Correct 12 ms 28764 KB Output is correct
4 Correct 12 ms 28932 KB Output is correct
5 Correct 11 ms 28764 KB Output is correct
6 Correct 11 ms 28764 KB Output is correct
7 Correct 11 ms 28852 KB Output is correct
8 Correct 11 ms 28924 KB Output is correct
9 Correct 12 ms 29020 KB Output is correct
10 Correct 12 ms 29020 KB Output is correct
11 Correct 12 ms 28884 KB Output is correct
12 Correct 15 ms 29016 KB Output is correct
13 Correct 12 ms 28764 KB Output is correct
14 Correct 12 ms 28952 KB Output is correct
15 Correct 11 ms 28764 KB Output is correct
16 Correct 11 ms 28764 KB Output is correct
17 Correct 13 ms 28764 KB Output is correct
18 Correct 12 ms 28932 KB Output is correct
19 Correct 12 ms 28760 KB Output is correct
20 Correct 12 ms 28816 KB Output is correct
21 Incorrect 11 ms 28824 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 41044 KB Output is correct
2 Correct 69 ms 41664 KB Output is correct
3 Correct 63 ms 41248 KB Output is correct
4 Correct 58 ms 41092 KB Output is correct
5 Correct 80 ms 41552 KB Output is correct
6 Correct 72 ms 41552 KB Output is correct
7 Correct 37 ms 33876 KB Output is correct
8 Correct 33 ms 34444 KB Output is correct
9 Correct 70 ms 41404 KB Output is correct
10 Correct 64 ms 41296 KB Output is correct
11 Correct 63 ms 41296 KB Output is correct
12 Correct 63 ms 41308 KB Output is correct
13 Correct 57 ms 38736 KB Output is correct
14 Correct 65 ms 41520 KB Output is correct
15 Correct 71 ms 40348 KB Output is correct
16 Correct 71 ms 42068 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 298 ms 74068 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 28764 KB Output is correct
2 Correct 12 ms 29020 KB Output is correct
3 Correct 12 ms 28764 KB Output is correct
4 Correct 12 ms 28932 KB Output is correct
5 Correct 11 ms 28764 KB Output is correct
6 Correct 11 ms 28764 KB Output is correct
7 Correct 11 ms 28852 KB Output is correct
8 Correct 11 ms 28924 KB Output is correct
9 Correct 12 ms 29020 KB Output is correct
10 Correct 12 ms 29020 KB Output is correct
11 Correct 12 ms 28884 KB Output is correct
12 Correct 15 ms 29016 KB Output is correct
13 Correct 12 ms 28764 KB Output is correct
14 Correct 12 ms 28952 KB Output is correct
15 Correct 11 ms 28764 KB Output is correct
16 Correct 11 ms 28764 KB Output is correct
17 Correct 13 ms 28764 KB Output is correct
18 Correct 12 ms 28932 KB Output is correct
19 Correct 12 ms 28760 KB Output is correct
20 Correct 12 ms 28816 KB Output is correct
21 Correct 61 ms 41044 KB Output is correct
22 Correct 69 ms 41664 KB Output is correct
23 Correct 63 ms 41248 KB Output is correct
24 Correct 58 ms 41092 KB Output is correct
25 Correct 80 ms 41552 KB Output is correct
26 Correct 72 ms 41552 KB Output is correct
27 Correct 37 ms 33876 KB Output is correct
28 Correct 33 ms 34444 KB Output is correct
29 Correct 70 ms 41404 KB Output is correct
30 Correct 64 ms 41296 KB Output is correct
31 Correct 63 ms 41296 KB Output is correct
32 Correct 63 ms 41308 KB Output is correct
33 Correct 57 ms 38736 KB Output is correct
34 Correct 65 ms 41520 KB Output is correct
35 Correct 71 ms 40348 KB Output is correct
36 Correct 71 ms 42068 KB Output is correct
37 Correct 64 ms 39836 KB Output is correct
38 Correct 58 ms 39416 KB Output is correct
39 Correct 32 ms 33264 KB Output is correct
40 Correct 39 ms 33988 KB Output is correct
41 Correct 76 ms 41196 KB Output is correct
42 Correct 74 ms 41200 KB Output is correct
43 Correct 69 ms 41176 KB Output is correct
44 Correct 70 ms 41044 KB Output is correct
45 Correct 80 ms 41276 KB Output is correct
46 Correct 75 ms 41168 KB Output is correct
47 Correct 41 ms 39492 KB Output is correct
48 Correct 58 ms 40016 KB Output is correct
49 Correct 53 ms 37468 KB Output is correct
50 Correct 59 ms 40016 KB Output is correct
51 Correct 79 ms 41396 KB Output is correct
52 Correct 72 ms 41296 KB Output is correct
53 Correct 59 ms 39760 KB Output is correct
54 Correct 79 ms 42040 KB Output is correct

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 73 ms 40928 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 28764 KB Output is correct
2 Correct 12 ms 29020 KB Output is correct
3 Correct 12 ms 28764 KB Output is correct
4 Correct 12 ms 28932 KB Output is correct
5 Correct 11 ms 28764 KB Output is correct
6 Correct 11 ms 28764 KB Output is correct
7 Correct 11 ms 28852 KB Output is correct
8 Correct 11 ms 28924 KB Output is correct
9 Correct 12 ms 29020 KB Output is correct
10 Correct 12 ms 29020 KB Output is correct
11 Correct 12 ms 28884 KB Output is correct
12 Correct 15 ms 29016 KB Output is correct
13 Correct 12 ms 28764 KB Output is correct
14 Correct 12 ms 28952 KB Output is correct
15 Correct 11 ms 28764 KB Output is correct
16 Correct 11 ms 28764 KB Output is correct
17 Correct 13 ms 28764 KB Output is correct
18 Correct 12 ms 28932 KB Output is correct
19 Correct 12 ms 28760 KB Output is correct
20 Correct 12 ms 28816 KB Output is correct
21 Incorrect 11 ms 28824 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 28764 KB Output is correct
2 Correct 12 ms 29020 KB Output is correct
3 Correct 12 ms 28764 KB Output is correct
4 Correct 12 ms 28932 KB Output is correct
5 Correct 11 ms 28764 KB Output is correct
6 Correct 11 ms 28764 KB Output is correct
7 Correct 11 ms 28852 KB Output is correct
8 Correct 11 ms 28924 KB Output is correct
9 Correct 12 ms 29020 KB Output is correct
10 Correct 12 ms 29020 KB Output is correct
11 Correct 12 ms 28884 KB Output is correct
12 Correct 15 ms 29016 KB Output is correct
13 Correct 12 ms 28764 KB Output is correct
14 Correct 12 ms 28952 KB Output is correct
15 Correct 11 ms 28764 KB Output is correct
16 Correct 11 ms 28764 KB Output is correct
17 Correct 13 ms 28764 KB Output is correct
18 Correct 12 ms 28932 KB Output is correct
19 Correct 12 ms 28760 KB Output is correct
20 Correct 12 ms 28816 KB Output is correct
21 Incorrect 11 ms 28824 KB Output isn't correct
22 Halted 0 ms 0 KB -