Submission #1012269

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012269		codefox	Robot (JOI21_ho_t4)	C++14	Compilation error	0 ms	0 KiB

Main

#include<bits/stdc++.h>

using namespace std;

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")

#define int long long
#define arr array<int, 4>
#define pii pair<int, int>

vector<vector<arr>> graph;

int lim = 1e18;

int32_t main()
{
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int n, m;
    cin >> n >> m;

    graph.assign(n, vector<arr>());
    vector<map<int, int>> cost(n);
    vector<map<int, int>> dist(n);
    vector<map<int, vector<int>>> colour(n);
    vector<int> mn(n, lim);

    for (int j = 0; j < m; j++)
    {
        int a, b, c, d;
        cin >> a >> b >> c >> d;
        a--; b--; c--;
        graph[a].push_back({b, c, d, 0});
        graph[b].push_back({a, c, d, 0});
    }

    for (int i = 0; i < n; i++)
    {
        for (arr ele:graph[i])
        {
            cost[i][ele[1]] += ele[2];
            dist[ele[0]][ele[1]] = lim;
            colour[i][ele[1]].push_back(ele[0]);
        }
    }

    priority_queue<arr, vector<arr>, greater<arr>> pq;

    pq.push({0, 0, 0, 0});
    while (pq.size())
    {
        arr a = pq.top();
        pq.pop();
        int d = a[0];
        int c = a[1];
        int i = a[2];
        int cc = a[3];

        if (dist[i][c]<=d) continue;
        dist[i][c] = d;

        if (mn[i]==lim)
        {
            for (arr ele:graph[i])
            {
                pq.push({d+ele[2], 0, ele[0], ele[2]});
            }
            mn[i] = d;
        }

        if (c==0)
        {
            for (arr ele:graph[i])
            {
                pq.push({d+cost[i][ele[1]]-ele[2], ele[1], ele[0], ele[2]});
            }
        }
        else
        {
            for (int ele:colour[i][c])
            {
                pq.push({d+cost[i][c]-cc, c, ele, ele[2]});
            }
        }
    }
    if (mn[n-1]>=lim) cout << -1;
    else cout << mn[n-1];
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int32_t main()':
Main.cpp:88:54: error: invalid types 'long long int[int]' for array subscript
   88 |                 pq.push({d+cost[i][c]-cc, c, ele, ele[2]});
      |                                                      ^
Main.cpp:88:58: error: no matching function for call to 'std::priority_queue<std::array<long long int, 4>, std::vector<std::array<long long int, 4> >, std::greater<std::array<long long int, 4> > >::push(<brace-enclosed initializer list>)'
   88 |                 pq.push({d+cost[i][c]-cc, c, ele, ele[2]});
      |                                                          ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from Main.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::array<long long int, 4>; _Sequence = std::vector<std::array<long long int, 4> >; _Compare = std::greater<std::array<long long int, 4> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long long int, 4>]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::array<long long int, 4>&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::array<long long int, 4>; _Sequence = std::vector<std::array<long long int, 4> >; _Compare = std::greater<std::array<long long int, 4> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long long int, 4>]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::array<long long int, 4>, std::vector<std::array<long long int, 4> >, std::greater<std::array<long long int, 4> > >::value_type&&' {aka 'std::array<long long int, 4>&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~