Submission #336121

#	Time	Username	Problem	Language	Result	Execution time	Memory
336121		wind_reaper	Dreaming (IOI13_dreaming)	C++17	Compilation error	0 ms	0 KiB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>
 
using namespace std; 
 
vector<vector<pair<int, int>>> adj; 
vector<int> vis, path, vis2, father, father_dis; 
vector<int> components, c2; 
void new_comp(int node, int c, int N){
	vis2.assign(N, 0); 
	father.assign(N, -1); 
	father_dis.assign(N, 0); 
	queue<pair<int, int>> q;
 
	q.push({node, 0}); 
 
	vector<int> dis(N, 0); 
	int r = 0; 
	while(!q.empty()){
		pair<int, int> cur = q.front(); 
		q.pop(); 
		r++; 
		vis[cur.first] = 1; 
		dis[cur.first] = cur.second; 
		for(pair<int, int> e : adj[cur.first]){
			if(!vis[e.first])
				q.push({e.first, cur.second + e.second}); 
		}
	}
 
	if(r == 1) 
		return; 
 
	int end = max_element(dis.begin(), dis.end()) - dis.begin(); 
	dis.assign(N, 0); 
 
	q.push({end, 0}); 
 
	while(!q.empty()){
		pair<int, int> cur = q.front(); 
		q.pop(); 
		vis2[cur.first] = 1; 
		dis[cur.first] = cur.second; 
		for(pair<int, int> e : adj[cur.first]){
			if(!vis2[e.first]){
				father[e.first] = cur.first;
				father_dis[e.first] = e.second; 
				q.push({e.first, cur.second + e.second}); 
			}
		}
	}
 
	auto it = max_element(dis.begin(), dis.end()); 
	end = it - dis.begin();
	int pops = father[end]; 
	int cur_dis = INT_MAX; 
	int travel = 0; 
	while(pops != -1){
		travel += father_dis[end]; 
		cur_dis = min(cur_dis, max(travel, *it - travel)); 
		end = pops;
		pops = father[end];  
	}
	c2.push_back(*it); 
	components.push_back(cur_dis); 
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    adj.resize(N);
    vis.resize(N);  
    for(int i = 0; i < M; i++){
    	adj[A[i]].push_back({B[i], T[i]});
    	adj[B[i]].push_back({A[i], T[i]}); 
    }
    int c = 0; 
    for(int i = 0; i < N; i++){
    	if(!vis[i]){
    		new_comp(i, c++, N);
	    }
    }
   
    sort(components.rbegin(), components.rend()); 
    if(c == 1)
    	return components[0]; 
    if(c == 2)
    	return max(max(c2.begin(), c2.end()), components[0] + components[1] + L); 
    return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L}); 
}

Compilation message (stderr)

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:85:77: error: no matching function for call to 'max(const __gnu_cxx::__normal_iterator<int*, std::vector<int> >&, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type)'
   85 |      return max(max(c2.begin(), c2.end()), components[0] + components[1] + L);
      |                                                                             ^
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 dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  222 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:222:5: note:   template argument deduction/substitution failed:
dreaming.cpp:85:77: note:   deduced conflicting types for parameter 'const _Tp' ('__gnu_cxx::__normal_iterator<int*, std::vector<int> >' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   85 |      return max(max(c2.begin(), c2.end()), components[0] + components[1] + L);
      |                                                                             ^
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 dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:268:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  268 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:268:5: note:   template argument deduction/substitution failed:
dreaming.cpp:85:77: note:   deduced conflicting types for parameter 'const _Tp' ('__gnu_cxx::__normal_iterator<int*, std::vector<int> >' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   85 |      return max(max(c2.begin(), c2.end()), components[0] + components[1] + L);
      |                                                                             ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3456:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3456 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
dreaming.cpp:85:77: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::initializer_list<_Tp>'
   85 |      return max(max(c2.begin(), c2.end()), components[0] + components[1] + L);
      |                                                                             ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3462:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3462 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
dreaming.cpp:85:77: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::initializer_list<_Tp>'
   85 |      return max(max(c2.begin(), c2.end()), components[0] + components[1] + L);
      |                                                                             ^
dreaming.cpp:86:115: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   86 |     return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L});
      |                                                                                                                   ^
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 dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  222 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:222:5: note:   template argument deduction/substitution failed:
dreaming.cpp:86:115: note:   candidate expects 2 arguments, 1 provided
   86 |     return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L});
      |                                                                                                                   ^
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 dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:268:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  268 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:268:5: note:   template argument deduction/substitution failed:
dreaming.cpp:86:115: note:   candidate expects 3 arguments, 1 provided
   86 |     return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L});
      |                                                                                                                   ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3456:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3456 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
dreaming.cpp:86:115: note:   deduced conflicting types for parameter '_Tp' ('__gnu_cxx::__normal_iterator<int*, std::vector<int> >' and 'int')
   86 |     return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L});
      |                                                                                                                   ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3462:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3462 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
dreaming.cpp:86:115: note:   deduced conflicting types for parameter '_Tp' ('__gnu_cxx::__normal_iterator<int*, std::vector<int> >' and 'int')
   86 |     return max({max(c2.begin(), c2.end()), components[0] + components[1] + L, components[1] + components[2] + 2*L});
      |                                                                                                                   ^