oj.uz

Submission #780876

# Submission time Handle Problem Language Result Execution time Memory
780876 2023-07-12T14:11:39 Z TeaTime Two Antennas (JOI19_antennas) C++17
100 / 100
 714 ms 88040 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <cmath>

using namespace std;

typedef long long ll;
typedef long double ld;

#define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);

const ll SZ = 200'100, INF = 2'000'000'000;
struct tow {
    ll h, a, b;
};

struct qs{
    ll l, r, ind;
};

vector<tow> vec;
vector<qs> queries[SZ];
ll n, q;

ll pushmx[SZ * 8], pushmn[SZ * 8], opt[SZ * 4], mx[SZ * 4], mn[SZ * 4];

void push(int v) {
    opt[v] = max(opt[v], pushmx[v] - mn[v]);
    opt[v] = max(opt[v], mx[v] - pushmn[v]);

    pushmx[v * 2 + 1] = max(pushmx[v * 2 + 1], pushmx[v]);
    pushmx[v * 2 + 2] = max(pushmx[v * 2 + 2], pushmx[v]);

    pushmn[v * 2 + 1] = min(pushmn[v * 2 + 1], pushmn[v]);
    pushmn[v * 2 + 2] = min(pushmn[v * 2 + 2], pushmn[v]);

    pushmx[v] = -INF;
    pushmn[v] = INF;
}

void toggle(int v, int l, int r, int pos) {
    push(v);
    if (l == r - 1) {
        if (mx[v] == -INF) {
            mx[v] = mn[v] = vec[l].h;
        } else {
            mx[v] = -INF;
            mn[v] =  INF;
        }
    } else {
        push(v * 2 + 1);
        push(v * 2 + 2);
        int mid = (l + r) / 2;
        if (pos < mid) {
            toggle(v * 2 + 1, l, mid, pos);
        } else {
            toggle(v * 2 + 2, mid, r, pos);
        }

        mx[v] = max(mx[v * 2 + 1], mx[v * 2 + 2]);
        mn[v] = min(mn[v * 2 + 1], mn[v * 2 + 2]);
        opt[v] = max(opt[v * 2 + 1], opt[v * 2 + 2]);
    }
}

ll ask(int v, int l, int r, int askl, int askr) {
    push(v);
    if (l >= askr || r <= askl) return -1;

    if (askl <= l && r <= askr) {
        return opt[v];
    }

    int mid = (l + r) / 2;
    return max(ask(v * 2 + 1, l, mid, askl, askr), ask(v * 2 + 2, mid, r, askl, askr));
}

void upd(int v, int l, int r, int askl, int askr, ll val) {
    push(v);
    if (l >= askr || r <= askl) return;

    if (askl <= l && r <= askr) {
        pushmn[v] = min(pushmn[v], val);
        pushmx[v] = max(pushmx[v], val);
        push(v);
        return;
    }

    int mid = (l + r) / 2;
    upd(v * 2 + 1, l, mid, askl, askr, val);
    upd(v * 2 + 2, mid, r, askl, askr, val);
    push(v * 2 + 1);
    push(v * 2 + 2);

    mx[v] = max(mx[v * 2 + 1], mx[v * 2 + 2]);
    mn[v] = min(mn[v * 2 + 1], mn[v * 2 + 2]);
    opt[v] = max(opt[v * 2 + 1], opt[v * 2 + 2]);
}

vector<ll> togler[SZ * 2 + 100];

int main() {
    fastInp;

    cin >> n;

    vec.resize(n);
    for (auto &c : vec) cin >> c.h >> c.a >> c.b;

    cin >> q;

    for (int i = 0; i < q; i++) {
        ll l, r;
        cin >> l >> r;
        l--; r--;
        queries[r].push_back({l, r, i});
    }

    for (int i = 0; i < SZ * 8; i++) {
        pushmx[i] = -INF;
        pushmn[i] = INF;
    }

    for (int i = 0; i < SZ * 4; i++) {
        opt[i] = -1;
        mx[i] = -INF;
        mn[i] = INF;
    }

    
    vector<ll> ans(q);
    for (int i = 0; i < n; i++) {
        for (auto c : togler[i]) {
            toggle(0, 0, n, c);
        }

        ll l = i - vec[i].b, r = i - vec[i].a;
        l = max(l, 0ll);

        upd(0, 0, n, l, r + 1, vec[i].h);

        for (auto c : queries[i]) {
            ans[c.ind] = ask(0, 0, n, c.l, c.r + 1);
        }

        togler[i + vec[i].a].push_back(i);
        togler[i + vec[i].b + 1].push_back(i);
    }

    for (auto c : ans) cout << c << "\n";

    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 58224 KB Output is correct
2 Correct 28 ms 58188 KB Output is correct
3 Correct 30 ms 58180 KB Output is correct
4 Correct 29 ms 58236 KB Output is correct
5 Correct 28 ms 58264 KB Output is correct
6 Correct 26 ms 58196 KB Output is correct
7 Correct 28 ms 58324 KB Output is correct
8 Correct 29 ms 58248 KB Output is correct
9 Correct 36 ms 58272 KB Output is correct
10 Correct 31 ms 58292 KB Output is correct
11 Correct 30 ms 58196 KB Output is correct
12 Correct 28 ms 58296 KB Output is correct
13 Correct 28 ms 58212 KB Output is correct
14 Correct 29 ms 58228 KB Output is correct
15 Correct 28 ms 58208 KB Output is correct
16 Correct 28 ms 58284 KB Output is correct
17 Correct 28 ms 58292 KB Output is correct
18 Correct 33 ms 58268 KB Output is correct
19 Correct 26 ms 58260 KB Output is correct
20 Correct 35 ms 58276 KB Output is correct
21 Correct 29 ms 58240 KB Output is correct
22 Correct 28 ms 58296 KB Output is correct
23 Correct 35 ms 58264 KB Output is correct
24 Correct 28 ms 58188 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 58224 KB Output is correct
2 Correct 28 ms 58188 KB Output is correct
3 Correct 30 ms 58180 KB Output is correct
4 Correct 29 ms 58236 KB Output is correct
5 Correct 28 ms 58264 KB Output is correct
6 Correct 26 ms 58196 KB Output is correct
7 Correct 28 ms 58324 KB Output is correct
8 Correct 29 ms 58248 KB Output is correct
9 Correct 36 ms 58272 KB Output is correct
10 Correct 31 ms 58292 KB Output is correct
11 Correct 30 ms 58196 KB Output is correct
12 Correct 28 ms 58296 KB Output is correct
13 Correct 28 ms 58212 KB Output is correct
14 Correct 29 ms 58228 KB Output is correct
15 Correct 28 ms 58208 KB Output is correct
16 Correct 28 ms 58284 KB Output is correct
17 Correct 28 ms 58292 KB Output is correct
18 Correct 33 ms 58268 KB Output is correct
19 Correct 26 ms 58260 KB Output is correct
20 Correct 35 ms 58276 KB Output is correct
21 Correct 29 ms 58240 KB Output is correct
22 Correct 28 ms 58296 KB Output is correct
23 Correct 35 ms 58264 KB Output is correct
24 Correct 28 ms 58188 KB Output is correct
25 Correct 94 ms 66828 KB Output is correct
26 Correct 40 ms 59252 KB Output is correct
27 Correct 128 ms 70504 KB Output is correct
28 Correct 128 ms 70588 KB Output is correct
29 Correct 92 ms 66908 KB Output is correct
30 Correct 96 ms 66424 KB Output is correct
31 Correct 103 ms 69084 KB Output is correct
32 Correct 126 ms 70492 KB Output is correct
33 Correct 116 ms 69600 KB Output is correct
34 Correct 93 ms 64320 KB Output is correct
35 Correct 123 ms 70292 KB Output is correct
36 Correct 125 ms 70592 KB Output is correct
37 Correct 84 ms 64864 KB Output is correct
38 Correct 133 ms 69588 KB Output is correct
39 Correct 42 ms 59832 KB Output is correct
40 Correct 125 ms 69580 KB Output is correct
41 Correct 100 ms 66548 KB Output is correct
42 Correct 125 ms 69628 KB Output is correct
43 Correct 66 ms 62124 KB Output is correct
44 Correct 125 ms 69592 KB Output is correct
45 Correct 45 ms 60236 KB Output is correct
46 Correct 125 ms 69596 KB Output is correct
47 Correct 55 ms 61188 KB Output is correct
48 Correct 131 ms 69764 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 73596 KB Output is correct
2 Correct 437 ms 75452 KB Output is correct
3 Correct 276 ms 70192 KB Output is correct
4 Correct 421 ms 75296 KB Output is correct
5 Correct 163 ms 66000 KB Output is correct
6 Correct 413 ms 75316 KB Output is correct
7 Correct 374 ms 72996 KB Output is correct
8 Correct 426 ms 75296 KB Output is correct
9 Correct 66 ms 60892 KB Output is correct
10 Correct 429 ms 75292 KB Output is correct
11 Correct 239 ms 68844 KB Output is correct
12 Correct 422 ms 75292 KB Output is correct
13 Correct 256 ms 72756 KB Output is correct
14 Correct 240 ms 72660 KB Output is correct
15 Correct 233 ms 73284 KB Output is correct
16 Correct 194 ms 73880 KB Output is correct
17 Correct 256 ms 72680 KB Output is correct
18 Correct 225 ms 72976 KB Output is correct
19 Correct 242 ms 72556 KB Output is correct
20 Correct 230 ms 72664 KB Output is correct
21 Correct 225 ms 72728 KB Output is correct
22 Correct 234 ms 72916 KB Output is correct
23 Correct 236 ms 72760 KB Output is correct
24 Correct 222 ms 73508 KB Output is correct

Subtask #4
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 58224 KB Output is correct
2 Correct 28 ms 58188 KB Output is correct
3 Correct 30 ms 58180 KB Output is correct
4 Correct 29 ms 58236 KB Output is correct
5 Correct 28 ms 58264 KB Output is correct
6 Correct 26 ms 58196 KB Output is correct
7 Correct 28 ms 58324 KB Output is correct
8 Correct 29 ms 58248 KB Output is correct
9 Correct 36 ms 58272 KB Output is correct
10 Correct 31 ms 58292 KB Output is correct
11 Correct 30 ms 58196 KB Output is correct
12 Correct 28 ms 58296 KB Output is correct
13 Correct 28 ms 58212 KB Output is correct
14 Correct 29 ms 58228 KB Output is correct
15 Correct 28 ms 58208 KB Output is correct
16 Correct 28 ms 58284 KB Output is correct
17 Correct 28 ms 58292 KB Output is correct
18 Correct 33 ms 58268 KB Output is correct
19 Correct 26 ms 58260 KB Output is correct
20 Correct 35 ms 58276 KB Output is correct
21 Correct 29 ms 58240 KB Output is correct
22 Correct 28 ms 58296 KB Output is correct
23 Correct 35 ms 58264 KB Output is correct
24 Correct 28 ms 58188 KB Output is correct
25 Correct 94 ms 66828 KB Output is correct
26 Correct 40 ms 59252 KB Output is correct
27 Correct 128 ms 70504 KB Output is correct
28 Correct 128 ms 70588 KB Output is correct
29 Correct 92 ms 66908 KB Output is correct
30 Correct 96 ms 66424 KB Output is correct
31 Correct 103 ms 69084 KB Output is correct
32 Correct 126 ms 70492 KB Output is correct
33 Correct 116 ms 69600 KB Output is correct
34 Correct 93 ms 64320 KB Output is correct
35 Correct 123 ms 70292 KB Output is correct
36 Correct 125 ms 70592 KB Output is correct
37 Correct 84 ms 64864 KB Output is correct
38 Correct 133 ms 69588 KB Output is correct
39 Correct 42 ms 59832 KB Output is correct
40 Correct 125 ms 69580 KB Output is correct
41 Correct 100 ms 66548 KB Output is correct
42 Correct 125 ms 69628 KB Output is correct
43 Correct 66 ms 62124 KB Output is correct
44 Correct 125 ms 69592 KB Output is correct
45 Correct 45 ms 60236 KB Output is correct
46 Correct 125 ms 69596 KB Output is correct
47 Correct 55 ms 61188 KB Output is correct
48 Correct 131 ms 69764 KB Output is correct
49 Correct 374 ms 73596 KB Output is correct
50 Correct 437 ms 75452 KB Output is correct
51 Correct 276 ms 70192 KB Output is correct
52 Correct 421 ms 75296 KB Output is correct
53 Correct 163 ms 66000 KB Output is correct
54 Correct 413 ms 75316 KB Output is correct
55 Correct 374 ms 72996 KB Output is correct
56 Correct 426 ms 75296 KB Output is correct
57 Correct 66 ms 60892 KB Output is correct
58 Correct 429 ms 75292 KB Output is correct
59 Correct 239 ms 68844 KB Output is correct
60 Correct 422 ms 75292 KB Output is correct
61 Correct 256 ms 72756 KB Output is correct
62 Correct 240 ms 72660 KB Output is correct
63 Correct 233 ms 73284 KB Output is correct
64 Correct 194 ms 73880 KB Output is correct
65 Correct 256 ms 72680 KB Output is correct
66 Correct 225 ms 72976 KB Output is correct
67 Correct 242 ms 72556 KB Output is correct
68 Correct 230 ms 72664 KB Output is correct
69 Correct 225 ms 72728 KB Output is correct
70 Correct 234 ms 72916 KB Output is correct
71 Correct 236 ms 72760 KB Output is correct
72 Correct 222 ms 73508 KB Output is correct
73 Correct 597 ms 83144 KB Output is correct
74 Correct 527 ms 76300 KB Output is correct
75 Correct 560 ms 82776 KB Output is correct
76 Correct 714 ms 87956 KB Output is correct
77 Correct 351 ms 75208 KB Output is correct
78 Correct 651 ms 83668 KB Output is correct
79 Correct 687 ms 85660 KB Output is correct
80 Correct 691 ms 88040 KB Output is correct
81 Correct 203 ms 72916 KB Output is correct
82 Correct 540 ms 81328 KB Output is correct
83 Correct 441 ms 81528 KB Output is correct
84 Correct 695 ms 87992 KB Output is correct
85 Correct 424 ms 79264 KB Output is correct
86 Correct 483 ms 84068 KB Output is correct
87 Correct 276 ms 74896 KB Output is correct
88 Correct 464 ms 85276 KB Output is correct
89 Correct 454 ms 81060 KB Output is correct
90 Correct 499 ms 84472 KB Output is correct
91 Correct 335 ms 76248 KB Output is correct
92 Correct 492 ms 84116 KB Output is correct
93 Correct 268 ms 74624 KB Output is correct
94 Correct 502 ms 84476 KB Output is correct
95 Correct 322 ms 75636 KB Output is correct
96 Correct 476 ms 84936 KB Output is correct