답안 #557200

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
557200	2022-05-04T21:01:39 Z	Olympia	꿈 (IOI13_dreaming)	C++17	컴파일 오류	0 ms	0 KB

dreaming

#include <iostream>
#include <vector>
#include "dreaming.h"
#include <climits>
#include <queue>
#include <map>
#include <algorithm>
using namespace std;
vector<int> a, b, w;
vector<vector<int> > adj;
map<pair<int,int>,int64_t> myMap;
vector<bool> hasVisited;
vector<int> parent;
pair<int,int> find_farthest_node (int x, bool undo) {
    queue<pair<int,int64_t> > q;
    q.push(make_pair(x, 0));
    hasVisited[x] = true;
    parent[x] = -1;
    vector<int> nodes;
    vector<pair<int,int> > vec;
    while (!q.empty()) {
        pair<int,int64_t> p = q.front();
        nodes.push_back(p.first);
        vec.push_back(make_pair(p.second, p.first));
        q.pop();
        for (int j: adj[p.first]) {
            if (!hasVisited[j]) {
                q.push(make_pair(j, p.second + myMap[make_pair(j, p.first)]));
                parent[j] = p.first;
                hasVisited[j] = true;
            }
        }
    }
 
    if (undo) {
        for (int j: nodes) {
            hasVisited[j] = false;
        }
    }
    sort(vec.begin(), vec.end());
    return vec.back(); //first distance, then node
}
int travelTime (int N, int M, int L, int A[], int B[], int W[]) {
    a.resize(M), b.resize(M), w.resize(M), adj.resize(N), parent.resize(N);
    for (int i = 0; i < M; i++) {
        a[i] = A[i], b[i] = B[i], w[i] = W[i];
        myMap[make_pair(a[i], b[i])] = w[i];
        myMap[make_pair(b[i], a[i])] = w[i];
        adj[a[i]].push_back(b[i]), adj[b[i]].push_back(a[i]);
    }
    hasVisited.assign(N, false);
    vector<int> paths;
    int64_t ans = 0;
    for (int i = 0; i < N; i++) {
        if (!hasVisited[i]) {
            int x = find_farthest_node(i, true).second;
            int y = find_farthest_node(x, true).second;
            vector<int> nodes;
            int val = y;
            while (val != -1) {
                nodes.push_back(val);
                val = parent[val];
            }
            int64_t sum = 0;
            for (int j = 1; j < (int) nodes.size(); j++) {
                sum += myMap[make_pair(nodes[j], nodes[j - 1])];
            }
            ans = max(ans, sum);
            int64_t c = 0;
            int64_t myMin = LLONG_MAX;
            int best = 0;
            for (int j = 1; j < (int)nodes.size(); j++) {
                c += myMap[make_pair(nodes[j], nodes[j - 1])];
                if (max(c, sum - c) < myMin) {
                    myMin = max(c, sum - c);
                    best = nodes[j];
                }
            }
            if (nodes.size() == 1) {
                myMin = 0;
            }
            paths.push_back(find_farthest_node(best, false).first);
        }
    }
    sort(paths.begin(), paths.end());
    //cout << paths.size() << '\n';
    if (paths.size() == 1) {
        ans = max(ans, paths[0]);
    } else if (paths.size() == 2) {
        ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
    } else {
        ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
    }
    return ans;
}
 
/*
int main() {
   int N = 12;
   int M = 8;
   int L = 2;
   int A[M], B[M], T[M];
   A[0] = 0, A[1] = 8, A[2] = 2, A[3] = 5, A[4] = 5, A[5] = 1, A[6] = 1, A[7] = 10;
   B[0] = 8, B[1] = 2, B[2] = 7, B[3] = 11, B[4] = 1, B[5] = 3, B[6] = 9, B[7] = 6;
   T[0] = 4, T[1] = 2, T[2] = 4, T[3] = 3, T[4] = 7, T[5] = 1, T[6] = 5, T[7] = 3;
   cout << travelTime(N, M, L, A, B, T);
}
*/

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:88:32: error: no matching function for call to 'max(int64_t&, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)'
   88 |         ans = max(ans, paths[0]);
      |                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
dreaming.cpp:88:32: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   88 |         ans = max(ans, paths[0]);
      |                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
dreaming.cpp:88:32: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   88 |         ans = max(ans, paths[0]);
      |                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
dreaming.cpp:88:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   88 |         ans = max(ans, paths[0]);
      |                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
dreaming.cpp:88:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   88 |         ans = max(ans, paths[0]);
      |                                ^
dreaming.cpp:90:66: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type, int64_t&)'
   90 |         ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
      |                                                                  ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
dreaming.cpp:90:66: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   90 |         ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
      |                                                                  ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
dreaming.cpp:90:66: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   90 |         ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
      |                                                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
dreaming.cpp:90:66: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   90 |         ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
      |                                                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
dreaming.cpp:90:66: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   90 |         ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
      |                                                                  ^
dreaming.cpp:92:70: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type, int64_t&)'
   92 |         ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
      |                                                                      ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
dreaming.cpp:92:70: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   92 |         ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
      |                                                                      ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from dreaming.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
dreaming.cpp:92:70: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   92 |         ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
      |                                                                      ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
dreaming.cpp:92:70: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   92 |         ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
      |                                                                      ^
In file included from /usr/include/c++/10/algorithm:62,
                 from dreaming.cpp:7:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
dreaming.cpp:92:70: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   92 |         ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
      |                                                                      ^