Submission #984908

#	Time	Username	Problem	Language	Result	Execution time	Memory
984908		54skyxenon	Crocodile's Underground City (IOI11_crocodile)	C++17	Compilation error	0 ms	0 KiB

crocodile

// https://oj.uz/problem/view/IOI11_crocodile

/** Needed for linking!!! */
#include "crocodile.h"

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define INF 2000000000

vector<map<int, int>> graph;
vector<bool> is_exit;
vector<bool> visited;

int dfs(int curr) {
    if (is_exit[curr]) {
        return 0;
    }

    vector<ll> distances;
    for (auto [nei, weight] : graph[curr]) {
        if (!visited[nei]) {
            visited[nei] = true;
            distances.push_back(min(INF, (ll)(weight + dfs(nei))));
        }
        else {
            distances.push_back(INF);
        }
    }

    sort(distances.begin(), distances.end());
    assert(distances.size() > 1);
    return distances[1];
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
    graph.resize(N);
    is_exit.resize(N);
    visited.resize(N);

    for (int i = 0; i < M; i++) {
        graph[R[i][0]][R[i][1]] = graph[R[i][1]][R[i][0]] = L[i];
    }

    for (int i = 0; i < K; i++) {
        is_exit[P[i]] = true;
    }

    visited[0] = true;
    return dfs(0); 
}

Compilation message (stderr)

crocodile.cpp: In function 'int dfs(int)':
crocodile.cpp:25:65: error: no matching function for call to 'min(int, long long int)'
   25 |             distances.push_back(min(INF, (ll)(weight + dfs(nei))));
      |                                                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from crocodile.cpp:6:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
crocodile.cpp:25:65: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   25 |             distances.push_back(min(INF, (ll)(weight + dfs(nei))));
      |                                                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from crocodile.cpp:6:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
crocodile.cpp:25:65: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   25 |             distances.push_back(min(INF, (ll)(weight + dfs(nei))));
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from crocodile.cpp:6:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
crocodile.cpp:25:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |             distances.push_back(min(INF, (ll)(weight + dfs(nei))));
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from crocodile.cpp:6:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
crocodile.cpp:25:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |             distances.push_back(min(INF, (ll)(weight + dfs(nei))));
      |                                                                 ^