Submission #286636

#TimeUsernameProblemLanguageResultExecution timeMemory
286636valerikkOlympic Bus (JOI20_ho_t4)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h>
using namespace std;
//#define int long long

const int N = 205, M = 5e4 + 7;
const long long INF = 1e18 + 39;
struct Edge{
    int v, u;
    long long c, d;
    Edge() {}
    Edge(int v, int u, long long c, long long d) : v(v), u(u), c(c), d(d) {}
};

int n ,m;
Edge edg[M];

void dijks(int st, long long d[], int p[], bool rev, vector<int> g[], int ign) {
    for (int i = 0; i < n; ++i) {
        d[i] = INF;
        p[i] = -1;
    }
    d[st] = 0;
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> q;
    q.push({d[st], st});
    while (!q.empty()) {
        auto cur = q.top();
        q.pop();
        int v = cur.second;
        if (d[v] != cur.first)
            continue;
        for (auto id : g[v]) {
            if (id == ign) continue;
            int w = edg[id].c, u = rev ? edg[id].v : edg[id].u;
            if (d[v] + w < d[u]) {
                d[u] = d[v] + w;
                p[u] = id;
                q.push({d[u], u});
            }
        }
    }
}

vector<int> g[N], gr[N];
long long d1[N], dn[N];
long long d1r[N], dnr[N];
int p1[N], pn[N];
int p1r[N], pnr[N];
bool bad1[M], badn[M];
bool bad1r[M], badnr[M];
long long tmp_d[N], tmp_p[N];

int get_d1(int v, int ign) {
    if (bad1[ign]) {
        dijks(0, tmp_d, tmp_p, 0, g, ign);
        return tmp_d[v];
    }
    return d1[v];
}

int get_dn(int v, int ign) {
    if (badn[ign]) {
        dijks(n - 1, tmp_d, tmp_p, 0, g, ign);
        return tmp_d[v];
    }
    return dn[v];
}

int get_d1r(int v, int ign) {
    if (bad1r[ign]) {
        dijks(0, tmp_d, tmp_p, 1, gr, ign);
        return tmp_d[v];
    }
    return d1r[v];
}

int get_dnr(int v, int ign) {
    if (badnr[ign]) {
        dijks(n - 1, tmp_d, tmp_p, 1, gr, ign);
        return tmp_d[v];
    }
    return dnr[v];
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    for (int i = 0; i < m; ++i) {
        cin >> edg[i].v >> edg[i].u >> edg[i].c >> edg[i].d;
        edg[i].v--;
        edg[i].u--;
        g[edg[i].v].push_back(i);
        gr[edg[i].u].push_back(i);
    }
    dijks(0, d1, p1, 0, g, -1);
    dijks(0, d1r, p1r, 1, gr, -1);
    dijks(n - 1, dn, pn, 0, g, -1);
    dijks(n - 1, dnr, pnr, 1, gr, -1);
    for (int i = 0; i < n; ++i) {
        if (~p1[i])
            bad1[p1[i]] = 1;
        if (~pn[i])
            badn[pn[i]] = 1;
        if (~p1r[i])
            bad1r[p1r[i]] = 1;
        if (~pnr[i])
            badnr[pnr[i]] = 1;
    }
    int ans = min(INF, d1[n - 1] + dn[0]);
    for (int i = 0; i < m; ++i) {
        int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
        int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
        ans = min(ans, dist1 + distn + edg[i].d);
    }
    if (ans == INF)
        cout << "-1\n";
    else
        cout << ans << '\n';
    return 0;
}

Compilation message (stderr)

ho_t4.cpp: In function 'int get_d1(int, int)':
ho_t4.cpp:54:25: error: cannot convert 'long long int*' to 'int*'
   54 |         dijks(0, tmp_d, tmp_p, 0, g, ign);
      |                         ^~~~~
      |                         |
      |                         long long int*
ho_t4.cpp:17:39: note:   initializing argument 3 of 'void dijks(int, long long int*, int*, bool, std::vector<int>*, int)'
   17 | void dijks(int st, long long d[], int p[], bool rev, vector<int> g[], int ign) {
      |                                   ~~~~^~~
ho_t4.cpp: In function 'int get_dn(int, int)':
ho_t4.cpp:62:29: error: cannot convert 'long long int*' to 'int*'
   62 |         dijks(n - 1, tmp_d, tmp_p, 0, g, ign);
      |                             ^~~~~
      |                             |
      |                             long long int*
ho_t4.cpp:17:39: note:   initializing argument 3 of 'void dijks(int, long long int*, int*, bool, std::vector<int>*, int)'
   17 | void dijks(int st, long long d[], int p[], bool rev, vector<int> g[], int ign) {
      |                                   ~~~~^~~
ho_t4.cpp: In function 'int get_d1r(int, int)':
ho_t4.cpp:70:25: error: cannot convert 'long long int*' to 'int*'
   70 |         dijks(0, tmp_d, tmp_p, 1, gr, ign);
      |                         ^~~~~
      |                         |
      |                         long long int*
ho_t4.cpp:17:39: note:   initializing argument 3 of 'void dijks(int, long long int*, int*, bool, std::vector<int>*, int)'
   17 | void dijks(int st, long long d[], int p[], bool rev, vector<int> g[], int ign) {
      |                                   ~~~~^~~
ho_t4.cpp: In function 'int get_dnr(int, int)':
ho_t4.cpp:78:29: error: cannot convert 'long long int*' to 'int*'
   78 |         dijks(n - 1, tmp_d, tmp_p, 1, gr, ign);
      |                             ^~~~~
      |                             |
      |                             long long int*
ho_t4.cpp:17:39: note:   initializing argument 3 of 'void dijks(int, long long int*, int*, bool, std::vector<int>*, int)'
   17 | void dijks(int st, long long d[], int p[], bool rev, vector<int> g[], int ign) {
      |                                   ~~~~^~~
ho_t4.cpp: In function 'int main()':
ho_t4.cpp:111:96: error: no matching function for call to 'min(int, long long int)'
  111 |         int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
      |                                                                                                ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:111:96: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  111 |         int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
      |                                                                                                ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:111:96: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  111 |         int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
      |                                                                                                ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:111:96: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  111 |         int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
      |                                                                                                ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:111:96: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  111 |         int dist1 = min(get_d1(n - 1, i), get_d1(edg[i].u, i) + get_dnr(edg[i].v, i) + edg[i].c);
      |                                                                                                ^
ho_t4.cpp:112:92: error: no matching function for call to 'min(int, long long int)'
  112 |         int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
      |                                                                                            ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:112:92: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  112 |         int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
      |                                                                                            ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:112:92: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  112 |         int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
      |                                                                                            ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:112:92: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  112 |         int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
      |                                                                                            ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:112:92: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  112 |         int distn = min(get_dn(0, i), get_dn(edg[i].u, i) + get_d1r(edg[i].v, i) + edg[i].c);
      |                                                                                            ^
ho_t4.cpp:113:48: error: no matching function for call to 'min(int&, long long int)'
  113 |         ans = min(ans, dist1 + distn + edg[i].d);
      |                                                ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:113:48: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  113 |         ans = min(ans, dist1 + distn + edg[i].d);
      |                                                ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
                 from /usr/include/c++/9/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:113:48: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
  113 |         ans = min(ans, dist1 + distn + edg[i].d);
      |                                                ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:113:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  113 |         ans = min(ans, dist1 + distn + edg[i].d);
      |                                                ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from ho_t4.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
ho_t4.cpp:113:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
  113 |         ans = min(ans, dist1 + distn + edg[i].d);
      |                                                ^