oj.uz

Submission #947505

# Submission time Handle Problem Language Result Execution time Memory
947505 2024-03-16T10:06:54 Z dilanyan Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
30 / 100
 2064 ms 42856 KB 
//-------------dilanyan------------\\ 
 
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
 
//------------------KarginDefines--------------------\\ 
 
#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define umap unordered_map
#define uset unordered_set
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);
 
 
//-------------------KarginConstants------------------\\ 
 
const ll mod = 1000000007;
const ll inf = 1e9 + 10;
 
//-------------------KarginCode------------------------\\ 
 
const int N = 1000005;
int w[N];

int n, m;

struct query {
    int l, r, k;
};

query q[N];

struct segtree_sort {

    int size = 1;

    struct node {
        bool sorted = true, valid = false;
        int l = 0, r = 0;
    };

    node z;

    vector<node> tree;

    void init() {
        while (size < n) size <<= 1;
        tree.resize(2 * size);
        build(0, 0, size);
    }

    node merge(node b, node c) {
        node a;
        if (!b.valid && !c.valid) {
            a.valid = false;
            return a;
        }
        if (!c.valid) a = b;
        else {
            a.valid = true;
            if (!b.sorted || !c.sorted) {
                a.sorted = false;
                return a;
            }
            if (b.r <= c.l) { 
                a.sorted = true;
                a.l = b.l, a.r = c.r;
            }
            else a.sorted = false;
        }
        return a;
    }

    void build(int x, int lx, int rx) {
        if (rx - lx == 1) {
            tree[x].valid = false;
            if (lx < n) {
                tree[x].valid = tree[x].sorted = true;
                tree[x].l = tree[x].r = w[lx];
            }
            return;
        }
        int m = (lx + rx) / 2;
        build(2 * x + 1, lx, m);
        build(2 * x + 2, m, rx);
        tree[x] = merge(tree[2 * x + 1], tree[2 * x + 2]);
    }

    node get(int l, int r, int x, int lx, int rx) {
        if (lx >= r || rx <= l) return z;
        if (lx >= l && rx <= r) return tree[x];
        int m = (lx + rx) / 2;
        node getl = get(l, r, 2 * x + 1, lx, m),
            getr = get(l, r, 2 * x + 2, m, rx);
        node get0 = merge(getl, getr);
        return get0;
    }

    bool get(int l, int r) {
        return get(l, r, 0, 0, size).sorted;
    }

};

void KarginSolve() {
    cin >> n >> m;
    int mn = inf;
    for (int i = 0;i < n;i++) cin >> w[i], mn = min(mn, w[i]);
    bool case3 = true;
    for (int i = 0;i < m;i++) {
        cin >> q[i].l >> q[i].r >> q[i].k;
        q[i].l--;
        if (q[i].k >= mn) case3 = false;
    }
    if (n <= 5000 && m <= 5000) {
        for (int i = 0;i < m;i++) {
            int ans = 1, cur = w[q[i].l];
            for (int j = q[i].l;j < q[i].r - 1;j++) {
                if (cur > w[j + 1]) {
                    if (cur + w[j + 1] > q[i].k) {
                        ans = 0;
                        break;
                    }
                }
                else cur = w[j + 1];
            }
            cout << ans << '\n';
        }
    }
    else if (case3) {
        segtree_sort st;
        st.init();
        for (int i = 0;i < m;i++) {
            if (st.get(q[i].l, q[i].r)) cout << 1 << endl;
            else cout << 0 << endl;
        }
    }
}
 
int main() {
    //Usaco
    Kargin;
    int test = 1;
    //cin >> test;
    while (test--) {
        KarginSolve();
    }
    return 0;
}

Compilation message

sortbooks.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
sortbooks.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
sortbooks.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
sortbooks.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 2 ms 2396 KB Output is correct
12 Correct 2 ms 2524 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 3 ms 2652 KB Output is correct
15 Correct 3 ms 2652 KB Output is correct
16 Correct 7 ms 2652 KB Output is correct
17 Correct 6 ms 2652 KB Output is correct
18 Correct 7 ms 2596 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2016 ms 42540 KB Output is correct
2 Correct 1988 ms 42672 KB Output is correct
3 Correct 2015 ms 42848 KB Output is correct
4 Correct 2064 ms 42856 KB Output is correct
5 Correct 1952 ms 42568 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 4696 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 2 ms 2396 KB Output is correct
12 Correct 2 ms 2524 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 3 ms 2652 KB Output is correct
15 Correct 3 ms 2652 KB Output is correct
16 Correct 7 ms 2652 KB Output is correct
17 Correct 6 ms 2652 KB Output is correct
18 Correct 7 ms 2596 KB Output is correct
19 Incorrect 59 ms 12480 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 2 ms 2396 KB Output is correct
12 Correct 2 ms 2524 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 3 ms 2652 KB Output is correct
15 Correct 3 ms 2652 KB Output is correct
16 Correct 7 ms 2652 KB Output is correct
17 Correct 6 ms 2652 KB Output is correct
18 Correct 7 ms 2596 KB Output is correct
19 Correct 2016 ms 42540 KB Output is correct
20 Correct 1988 ms 42672 KB Output is correct
21 Correct 2015 ms 42848 KB Output is correct
22 Correct 2064 ms 42856 KB Output is correct
23 Correct 1952 ms 42568 KB Output is correct
24 Incorrect 21 ms 4696 KB Output isn't correct
25 Halted 0 ms 0 KB -