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Submission #154497

# Submission time Handle Problem Language Result Execution time Memory
154497 2019-09-22T09:13:33 Z Pankin Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1841 ms 79012 KB 
#include <bits/stdc++.h>

/*
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("-O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
*/

#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define fs first
#define sc second
#define getfiles ifstream cin("input.txt"); ofstream cout("output.txt");
#define endl '\n'
#define con continue
#define pii pair<int, int>
#define all(x) x.begin(), x.end()

const int INF = 2000000005;
const ll BIG_INF = 2000000000000000005;
const int mod = 1000000007;
const int P = 31;
const ld PI = 3.141592653589793238462643;
const double eps = 1e-9;

using namespace std;

vector< pair<int, int> > dir = {
    {
        -1, 0
    },
    {
        0, 1
    },
    {
        1, 0
    },
    {
        0, -1
    }
};

bool valid(int x, int y, int n, int m) {
    return x >= 0 && y >= 0 && x < n && y < m;
}

mt19937 rng(1999999973);

const int N = 1000000 + 5;
int order[N], l[N], r[N], k[N], t[4 * N], a[N], ans[N], nxt[N], n, m;
stack<int> st;

inline void init() {
    for (int i = 0; i < 4 * N; i++)
        t[i] = -1;
    for (int i = 0; i < N; i++)
        nxt[i] = -1;
}

void add(int v, int tl, int tr, int pos, int val) {
    if (!(pos >= tl && pos <= tr))
        return;
    t[v] = max(t[v], val);
    if (tl == tr)
        return;
    int tm = (tl + tr) / 2;
    add(v * 2, tl, tm, pos, val);
    add(v * 2 + 1, tm + 1, tr, pos, val);
}

int getMax(int v, int tl, int tr, int l, int r) {
    if (tl >= l && tr <= r)
        return t[v];
    if (tl > r || tr < l)
        return -1;
    int tm = (tl + tr) / 2;
    return max(getMax(v * 2, tl, tm, l, r), getMax(v * 2 + 1, tm + 1, tr, l, r));
}

bool comp(int x, int y) {
    return r[x] < r[y];
}

signed main() {
    fast_io;

    init();

    cin >> n >> m;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    for (int i = 0; i < m; i++) {
        cin >> l[i] >> r[i] >> k[i];
        l[i]--, r[i]--;
        order[i] = i;
    }
    sort(order, order + m, comp);

    for (int i = 0; i < n; i++) {
        while(!st.empty() && a[st.top()] <= a[i])
            st.pop();
        if (!st.empty())
            nxt[i] = st.top();
        st.push(i);
    }

    int pointer = -1;

    for (int v = 0; v < m; v++) {
        int i = order[v];
        while(pointer < r[i]) {
            pointer++;
            if (nxt[pointer] != -1)
                add(1, 0, n - 1, nxt[pointer], a[nxt[pointer]] + a[pointer]);
        }
        ans[i] = (getMax(1, 0, n - 1, l[i], r[i]) <= k[i]);
    }
    for (int i = 0; i < m; i++)
        cout << ans[i] << endl;

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19960 KB Output is correct
2 Correct 19 ms 19960 KB Output is correct
3 Correct 20 ms 19960 KB Output is correct
4 Correct 19 ms 19960 KB Output is correct
5 Correct 19 ms 19932 KB Output is correct
6 Correct 20 ms 19960 KB Output is correct
7 Correct 23 ms 19960 KB Output is correct
8 Correct 20 ms 19932 KB Output is correct
9 Correct 23 ms 19960 KB Output is correct
10 Correct 23 ms 19976 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19960 KB Output is correct
2 Correct 19 ms 19960 KB Output is correct
3 Correct 20 ms 19960 KB Output is correct
4 Correct 19 ms 19960 KB Output is correct
5 Correct 19 ms 19932 KB Output is correct
6 Correct 20 ms 19960 KB Output is correct
7 Correct 23 ms 19960 KB Output is correct
8 Correct 20 ms 19932 KB Output is correct
9 Correct 23 ms 19960 KB Output is correct
10 Correct 23 ms 19976 KB Output is correct
11 Correct 22 ms 20088 KB Output is correct
12 Correct 22 ms 20172 KB Output is correct
13 Correct 41 ms 20188 KB Output is correct
14 Correct 25 ms 20216 KB Output is correct
15 Correct 25 ms 20216 KB Output is correct
16 Correct 23 ms 20180 KB Output is correct
17 Correct 23 ms 20188 KB Output is correct
18 Correct 23 ms 20216 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1841 ms 76988 KB Output is correct
2 Correct 1762 ms 78300 KB Output is correct
3 Correct 1752 ms 78088 KB Output is correct
4 Correct 1739 ms 78356 KB Output is correct
5 Correct 1519 ms 78268 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 24540 KB Output is correct
2 Correct 128 ms 24444 KB Output is correct
3 Correct 120 ms 24440 KB Output is correct
4 Correct 123 ms 24568 KB Output is correct
5 Correct 124 ms 24504 KB Output is correct
6 Correct 106 ms 24312 KB Output is correct
7 Correct 107 ms 24312 KB Output is correct
8 Correct 111 ms 24184 KB Output is correct
9 Correct 72 ms 23416 KB Output is correct
10 Correct 111 ms 24188 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19960 KB Output is correct
2 Correct 19 ms 19960 KB Output is correct
3 Correct 20 ms 19960 KB Output is correct
4 Correct 19 ms 19960 KB Output is correct
5 Correct 19 ms 19932 KB Output is correct
6 Correct 20 ms 19960 KB Output is correct
7 Correct 23 ms 19960 KB Output is correct
8 Correct 20 ms 19932 KB Output is correct
9 Correct 23 ms 19960 KB Output is correct
10 Correct 23 ms 19976 KB Output is correct
11 Correct 22 ms 20088 KB Output is correct
12 Correct 22 ms 20172 KB Output is correct
13 Correct 41 ms 20188 KB Output is correct
14 Correct 25 ms 20216 KB Output is correct
15 Correct 25 ms 20216 KB Output is correct
16 Correct 23 ms 20180 KB Output is correct
17 Correct 23 ms 20188 KB Output is correct
18 Correct 23 ms 20216 KB Output is correct
19 Correct 318 ms 31736 KB Output is correct
20 Correct 323 ms 31676 KB Output is correct
21 Correct 273 ms 31480 KB Output is correct
22 Correct 279 ms 31608 KB Output is correct
23 Correct 288 ms 31584 KB Output is correct
24 Correct 242 ms 31344 KB Output is correct
25 Correct 237 ms 31480 KB Output is correct
26 Correct 259 ms 31560 KB Output is correct
27 Correct 279 ms 31704 KB Output is correct
28 Correct 308 ms 31736 KB Output is correct
29 Correct 274 ms 31676 KB Output is correct
30 Correct 269 ms 31716 KB Output is correct
31 Correct 270 ms 31676 KB Output is correct
32 Correct 292 ms 31720 KB Output is correct
33 Correct 269 ms 31736 KB Output is correct
34 Correct 236 ms 31276 KB Output is correct
35 Correct 252 ms 31312 KB Output is correct
36 Correct 238 ms 31248 KB Output is correct
37 Correct 229 ms 31096 KB Output is correct
38 Correct 230 ms 31224 KB Output is correct
39 Correct 255 ms 30344 KB Output is correct
40 Correct 200 ms 29284 KB Output is correct
41 Correct 235 ms 29788 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19960 KB Output is correct
2 Correct 19 ms 19960 KB Output is correct
3 Correct 20 ms 19960 KB Output is correct
4 Correct 19 ms 19960 KB Output is correct
5 Correct 19 ms 19932 KB Output is correct
6 Correct 20 ms 19960 KB Output is correct
7 Correct 23 ms 19960 KB Output is correct
8 Correct 20 ms 19932 KB Output is correct
9 Correct 23 ms 19960 KB Output is correct
10 Correct 23 ms 19976 KB Output is correct
11 Correct 22 ms 20088 KB Output is correct
12 Correct 22 ms 20172 KB Output is correct
13 Correct 41 ms 20188 KB Output is correct
14 Correct 25 ms 20216 KB Output is correct
15 Correct 25 ms 20216 KB Output is correct
16 Correct 23 ms 20180 KB Output is correct
17 Correct 23 ms 20188 KB Output is correct
18 Correct 23 ms 20216 KB Output is correct
19 Correct 1841 ms 76988 KB Output is correct
20 Correct 1762 ms 78300 KB Output is correct
21 Correct 1752 ms 78088 KB Output is correct
22 Correct 1739 ms 78356 KB Output is correct
23 Correct 1519 ms 78268 KB Output is correct
24 Correct 144 ms 24540 KB Output is correct
25 Correct 128 ms 24444 KB Output is correct
26 Correct 120 ms 24440 KB Output is correct
27 Correct 123 ms 24568 KB Output is correct
28 Correct 124 ms 24504 KB Output is correct
29 Correct 106 ms 24312 KB Output is correct
30 Correct 107 ms 24312 KB Output is correct
31 Correct 111 ms 24184 KB Output is correct
32 Correct 72 ms 23416 KB Output is correct
33 Correct 111 ms 24188 KB Output is correct
34 Correct 318 ms 31736 KB Output is correct
35 Correct 323 ms 31676 KB Output is correct
36 Correct 273 ms 31480 KB Output is correct
37 Correct 279 ms 31608 KB Output is correct
38 Correct 288 ms 31584 KB Output is correct
39 Correct 242 ms 31344 KB Output is correct
40 Correct 237 ms 31480 KB Output is correct
41 Correct 259 ms 31560 KB Output is correct
42 Correct 279 ms 31704 KB Output is correct
43 Correct 308 ms 31736 KB Output is correct
44 Correct 274 ms 31676 KB Output is correct
45 Correct 269 ms 31716 KB Output is correct
46 Correct 270 ms 31676 KB Output is correct
47 Correct 292 ms 31720 KB Output is correct
48 Correct 269 ms 31736 KB Output is correct
49 Correct 236 ms 31276 KB Output is correct
50 Correct 252 ms 31312 KB Output is correct
51 Correct 238 ms 31248 KB Output is correct
52 Correct 229 ms 31096 KB Output is correct
53 Correct 230 ms 31224 KB Output is correct
54 Correct 255 ms 30344 KB Output is correct
55 Correct 200 ms 29284 KB Output is correct
56 Correct 235 ms 29788 KB Output is correct
57 Correct 1720 ms 78940 KB Output is correct
58 Correct 1828 ms 78984 KB Output is correct
59 Correct 1703 ms 78912 KB Output is correct
60 Correct 1690 ms 78860 KB Output is correct
61 Correct 1670 ms 78856 KB Output is correct
62 Correct 1688 ms 78784 KB Output is correct
63 Correct 1301 ms 77072 KB Output is correct
64 Correct 1339 ms 77048 KB Output is correct
65 Correct 1508 ms 78904 KB Output is correct
66 Correct 1681 ms 78892 KB Output is correct
67 Correct 1506 ms 78796 KB Output is correct
68 Correct 1518 ms 79012 KB Output is correct
69 Correct 1651 ms 78872 KB Output is correct
70 Correct 1508 ms 78880 KB Output is correct
71 Correct 1525 ms 79008 KB Output is correct
72 Correct 1584 ms 78888 KB Output is correct
73 Correct 1257 ms 75468 KB Output is correct
74 Correct 1269 ms 76444 KB Output is correct
75 Correct 1259 ms 75420 KB Output is correct
76 Correct 1253 ms 75512 KB Output is correct
77 Correct 1349 ms 75420 KB Output is correct
78 Correct 1394 ms 72812 KB Output is correct
79 Correct 1024 ms 66168 KB Output is correct
80 Correct 1378 ms 70044 KB Output is correct