제출 #1210799

#제출 시각아이디문제언어결과실행 시간메모리
1210799vaneaHedgehog Daniyar and Algorithms (IZhO19_sortbooks)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int mxN = 4e6+10;

ll st[mxN], n;
vector<ll> st1[mxN];

void build(int node, int l, int r, vector<ll> &v) {
    if(l == r) {
        st[node] = v[l];
        st1[node].push_back(v[l]);
        return ;
    }
    int mid = (l+r)/2;
    build(node*2, l, mid, v);
    build(node*2+1, mid+1, r, v);
    st[node] = max(st[node*2], st[node*2+1]);
    int i = 0, j = 0;
    while(i < st1[node*2].size() && j < st1[node*2+1][size]) {
        if(st1[node*2][i] <= st1[node*2+1][j]) {
            st1[node].push_back(st1[node*2][i++]);
        }
        else {
            st1[node].push_back(st1[node*2+1][j++]);
        }
    }
    while(i < st1[node*2].size()) {
        st1[node].push_back(st1[node*2][i++]);
    }
    while(j < st1[node*2+1].size()) {
        st1[node].push_back(st1[node*2+1][j++]);
    }
}

ll qry1(int node, int l, int r, int l1, int r1) {
    if(l1 <= l && r <= r1) return st[node];
    if(l1 > r || r1 < l) return -1;
    int mid = (l+r)/2;
    return max(qry1(node*2, l, mid, l1, r1),
               qry1(node*2+1, mid+1, r, l1, r1));
}

bool qry(int node, int l, int r, int l1, int r1, ll k) {
    if(l1 <= l && r <= r1) {
        ll x = qry1(1, 0, n-1, l1, l-1);
        if(x == -1) return false;
        if(k-x >= x) return false;
        auto it = lower_bound(st1[node].begin(), st1[node].end(), k-x);
        if(it == st1[node].end()) return false;
        if(*it >= x) return false;
        return true;
    }
    if(l1 > r || r1 < l) return false;
    int mid = (l+r)/2;
    return (qry(node*2, l, mid, l1, r1, k) || qry(node*2+1, mid+1, r, l1, r1, k));
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int q;
    cin >> n >> q;
    vector<ll> v(n);
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }
    build(1, 0, n-1, v);
    while(q--) {
        int l, r; ll k;
        cin >> l >> r >> k;
        --l; --r; ++k;
        bool ans = qry(1, 0, n-1, l, r, k);
        cout << 1-(int)ans << '\n';
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp: In function 'void build(int, int, int, std::vector<long long int>&)':
sortbooks.cpp:21:54: error: no match for 'operator[]' (operand types are 'std::vector<long long int>' and '<unresolved overloaded function type>')
   21 |     while(i < st1[node*2].size() && j < st1[node*2+1][size]) {
      |                                                      ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from sortbooks.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::reference = long long int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<long long int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = long long int; _Alloc = std::allocator<long long int>; std::vector<_Tp, _Alloc>::const_reference = const long long int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<long long int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~