# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
242997 | Exile_2k4 | Easter Eggs (info1cup17_eastereggs) | C++17 | 컴파일 에러 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
const int sz = 600;
#define pii pair<int,int>
vector<int> g[sz], call;
bool exist[sz];
void dfs(int p,int u, int need){
if(exist[u] && call.size()<need) call.push_back(u);
for(auto v:g[u]) if(v!=p) dfs(u,v);
}
int findEgg(int N, vector<pii> bridges){
for(int i=0;i<N-1;++i){
g[bridges[i].first].push_back(bridges[i].second);
g[bridges[i].second].push_back(bridges[i].first);
}
memset(exist,1,sizeof(exist));
int cnt = N;
while(cnt!=1){
int mid = cnt/2;
call.clear();
for(int i=1;i<=N;++i) if(exist[i]){
dfs(i,i);
break;
}
if(query(call)){
set<int> focus(call);
for(int i=1;i<=N;++i) exist[i] = focus.count(i);
cnt = focus.size();
}else{
for(auto v:call) exist[v] = 0;
cnt -= call.size();
}
}
for(int i=1;i<=N;++i) if(exist[i]) return i;
}
컴파일 시 표준 에러 (stderr) 메시지
eastereggs.cpp: In function 'void dfs(int, int, int)': eastereggs.cpp:15:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(exist[u] && call.size()<need) call.push_back(u); ~~~~~~~~~~~^~~~~ eastereggs.cpp:16:35: error: too few arguments to function 'void dfs(int, int, int)' for(auto v:g[u]) if(v!=p) dfs(u,v); ^ eastereggs.cpp:14:6: note: declared here void dfs(int p,int u, int need){ ^~~ eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)': eastereggs.cpp:31:11: error: too few arguments to function 'void dfs(int, int, int)' dfs(i,i); ^ eastereggs.cpp:14:6: note: declared here void dfs(int p,int u, int need){ ^~~ eastereggs.cpp:35:23: error: no matching function for call to 'std::set<int>::set(std::vector<int>&)' set<int> focus(call); ^ In file included from /usr/include/c++/7/set:61:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87, from eastereggs.cpp:1: /usr/include/c++/7/bits/stl_set.h:261:2: note: candidate: template<class _InputIterator> std::set<_Key, _Compare, _Alloc>::set(_InputIterator, _InputIterator, const allocator_type&) set(_InputIterator __first, _InputIterator __last, ^~~ /usr/include/c++/7/bits/stl_set.h:261:2: note: template argument deduction/substitution failed: eastereggs.cpp:35:23: note: candidate expects 3 arguments, 1 provided set<int> focus(call); ^ In file included from /usr/include/c++/7/set:61:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87, from eastereggs.cpp:1: /usr/include/c++/7/bits/stl_set.h:255:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(std::initializer_list<_Tp>, const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(initializer_list<value_type> __l, const allocator_type& __a) ^~~ /usr/include/c++/7/bits/stl_set.h:255:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/7/bits/stl_set.h:249:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(std::set<_Key, _Compare, _Alloc>&&, const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(set&& __x, const allocator_type& __a) ^~~ /usr/include/c++/7/bits/stl_set.h:249:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/7/bits/stl_set.h:245:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(const std::set<_Key, _Compare, _Alloc>&, const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(const set& __x, const allocator_type& __a) ^~~ /usr/include/c++/7/bits/stl_set.h:245:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/7/bits/stl_set.h:241:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(const allocator_type& __a) ^~~ /usr/include/c++/7/bits/stl_set.h:241:7: note: no known conversion for argument 1 from 'std::vector<int>' to 'const allocator_type& {aka const std::allocator<int>&}' /usr/include/c++/7/bits/stl_set.h:233:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(std::initializer_list<_Tp>, const _Compare&, const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(initializer_list<value_type> __l, ^~~ /usr/include/c++/7/bits/stl_set.h:233:7: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::initializer_list<int>' /usr/include/c++/7/bits/stl_set.h:221:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(std::set<_Key, _Compare, _Alloc>&&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>] set(set&&) = default; ^~~ /usr/include/c++/7/bits/stl_set.h:221:7: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::set<int>&&' /usr/include/c++/7/bits/stl_set.h:213:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(const std::set<_Key, _Compare, _Alloc>&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>] set(const set&) = default; ^~~ /usr/include/c++/7/bits/stl_set.h:213:7: note: no known conversion for argument 1 from 'std::vector<int>' to 'const std::set<int>&' /usr/include/c++/7/bits/stl_set.h:198:2: note: candidate: template<class _InputIterator> std::set<_Key, _Compare, _Alloc>::set(_InputIterator, _InputIterator, const _Compare&, const allocator_type&) set(_InputIterator __first, _InputIterator __last, ^~~ /usr/include/c++/7/bits/stl_set.h:198:2: note: template argument deduction/substitution failed: eastereggs.cpp:35:23: note: candidate expects 4 arguments, 1 provided set<int> focus(call); ^ In file included from /usr/include/c++/7/set:61:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87, from eastereggs.cpp:1: /usr/include/c++/7/bits/stl_set.h:181:2: note: candidate: template<class _InputIterator> std::set<_Key, _Compare, _Alloc>::set(_InputIterator, _InputIterator) set(_InputIterator __first, _InputIterator __last) ^~~ /usr/include/c++/7/bits/stl_set.h:181:2: note: template argument deduction/substitution failed: eastereggs.cpp:35:23: note: candidate expects 2 arguments, 1 provided set<int> focus(call); ^ In file included from /usr/include/c++/7/set:61:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87, from eastereggs.cpp:1: /usr/include/c++/7/bits/stl_set.h:166:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set(const _Compare&, const allocator_type&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; std::set<_Key, _Compare, _Alloc>::allocator_type = std::allocator<int>] set(const _Compare& __comp, ^~~ /usr/include/c++/7/bits/stl_set.h:166:7: note: no known conversion for argument 1 from 'std::vector<int>' to 'const std::less<int>&' /usr/include/c++/7/bits/stl_set.h:157:7: note: candidate: std::set<_Key, _Compare, _Alloc>::set() [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>] set() = default; ^~~ /usr/include/c++/7/bits/stl_set.h:157:7: note: candidate expects 0 arguments, 1 provided eastereggs.cpp:28:7: warning: unused variable 'mid' [-Wunused-variable] int mid = cnt/2; ^~~ eastereggs.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type] } ^