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Submission #624340

# Submission time Handle Problem Language Result Execution time Memory
624340 2022-08-08T01:20:39 Z dqhungdl Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 889 ms 121496 KB 
#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
#include "debug.hpp"
#define debug(x...) cerr << "[" << #x << "] = [", _print(x)
#else
#define debug(x...)
#endif

#define int long long
struct Query {
    int l, w, id;
};

const int MAX = 1e6 + 5;
int n, Q, a[MAX], L[MAX], rs[MAX], tree[MAX];
vector<Query> g[MAX];

void update(int idx, int val) {
    for (int i = idx; i; i -= i & -i)
        tree[idx] = max(tree[idx], val);
}

int query(int idx) {
    int rs = 0;
    for (int i = idx; i <= n; i += i & -i)
        rs = max(rs, tree[i]);
    return rs;
}

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef DEBUG
    freopen("../_input", "r", stdin);
#endif
    cin >> n >> Q;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        L[i] = i - 1;
        int tmp = i - 1;
        while (tmp && a[i] >= a[tmp])
            L[i] = tmp = L[tmp];
    }
    int l, r, w;
    for (int i = 1; i <= Q; i++) {
        cin >> l >> r >> w;
        g[r].push_back({l, w, i});
    }
    for (int i = 1; i <= n; i++) {
        if (L[i])
            update(L[i], a[L[i]] + a[i]);
        for (auto q: g[i])
            rs[q.id] = query(q.l) <= q.w;
    }
    for (int i = 1; i <= Q; i++)
        cout << rs[i] << '\n';
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23812 KB Output is correct
3 Incorrect 12 ms 23764 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23812 KB Output is correct
3 Incorrect 12 ms 23764 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 889 ms 121496 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 84 ms 32416 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23812 KB Output is correct
3 Incorrect 12 ms 23764 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23812 KB Output is correct
3 Incorrect 12 ms 23764 KB Output isn't correct
4 Halted 0 ms 0 KB -