제출 #1128923

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1128923		pcheloveks	Toll (BOI17_toll)	C++17	컴파일 에러	0 ms	0 KiB

toll

#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,tune=native")
#include <iostream>
#include <vector>
#include <map>
#include <sstream>
#include <string>
#include <set>
#include <fstream>
#include <algorithm>
#include <cstring> // Для memset

#define endl '\n'
using namespace std;

typedef long long LL;
typedef pair<LL, LL> pii;

const LL DIM = 50007;
const LL INF = 999999999999;

LL n, k, o, m;

class edge {
public:
    LL to, w;
};

vector < edge > v[DIM];

class tran {
public:
    LL mat[5][5];
    void init() {
        for (int i = 0; i < k; i++) {
            for (int j = 0; j < k; j++) {
                mat[i][j] = INF;
            }
        }
    }
};

tran solve(LL L, LL R) {
    tran ans;
    ans.init();
    if (R - L == 1) {
        for (int i = 0; i < k; i++) {
            LL val = L * k + i;
            for (auto to : v[val]) {
                ans.mat[i][to.to - (R * k)] = to.w;
            }
        }
        return ans;
    }

    LL mid = (L + R) / 2;

    tran m1 = solve(L, mid);
    tran m2 = solve(mid, R);

    for (int l = 0; l < k; l++) {
        for (int r = 0; r < k; r++) {
            for (int m = 0; m < k; m++) {
                ans.mat[l][r] = min(ans.mat[l][r], m1.mat[l][m] + m2.mat[m][r]);
            }
        }
    }

    return ans;
}

LL a, b, res, b1, b2;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    LL k, n, m, o;
    string line;

    getline(cin, line);
    stringstream ss(line);

    ss >> k >> n >> m >> o;
    for (int i = 1; i <= m; i++) {
        getline(cin, line);
        stringstream edge_ss(line);
        LL a, b, t;
        edge_ss >> a >> b >> t;
        v[a].emplace_back(b, t);
    }

    vector<LL> out;

    for (int i = 1; i <= o; i++) {
        getline(cin, line);
        stringstream query_ss(line);
        LL a, b;
        query_ss >> a >> b;

        int b1 = a / k;
        int b2 = b / k;
        if (b1 >= b2 || m == 0) {
            out.push_back(-1);
        }
        else {
            LL res = solve(b1, b2).mat[a - b1 * k][b - b2 * k];
            if (res >= INF) out.push_back(-1);
            else out.push_back(res);
        }
    }

    for (LL x : out) {
        cout << x << '\n';
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/c++allocator.h:33,
                 from /usr/include/c++/11/bits/allocator.h:46,
                 from /usr/include/c++/11/string:41,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from toll.cpp:5:
/usr/include/c++/11/ext/new_allocator.h: In instantiation of 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = edge; _Args = {long long int&, long long int&}; _Tp = edge]':
/usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = edge; _Args = {long long int&, long long int&}; _Tp = edge; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<edge>]'
/usr/include/c++/11/bits/vector.tcc:115:30:   required from 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {long long int&, long long int&}; _Tp = edge; _Alloc = std::allocator<edge>; std::vector<_Tp, _Alloc>::reference = edge&]'
toll.cpp:92:26:   required from here
/usr/include/c++/11/ext/new_allocator.h:162:11: error: new initializer expression list treated as compound expression [-fpermissive]
  162 |         { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/ext/new_allocator.h:162:11: error: no matching function for call to 'edge::edge(long long int&)'
toll.cpp:26:7: note: candidate: 'edge::edge()'
   26 | class edge {
      |       ^~~~
toll.cpp:26:7: note:   candidate expects 0 arguments, 1 provided
toll.cpp:26:7: note: candidate: 'constexpr edge::edge(const edge&)'
toll.cpp:26:7: note:   no known conversion for argument 1 from 'long long int' to 'const edge&'
toll.cpp:26:7: note: candidate: 'constexpr edge::edge(edge&&)'
toll.cpp:26:7: note:   no known conversion for argument 1 from 'long long int' to 'edge&&'