Submission #316096

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
316096	2020-10-25 08:22:33	moonrabbit2	Roller Coaster Railroad (IOI16_railroad)	C++17	Compilation error	0 ms	0 KiB

railroad

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#include "railroad.h"
#include <bits/stdc++.h>
#define N 500005
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
struct edge{ll c;int u,v;};
int n,c,group[N],c_g,p[N],en,x;
ll ans,sum[N],from[N];
vector<int> vec;
vector<int> g1[N];
edge g2[N];
int fi(int x)
{
    if(p[x]==x)
        return x;
    return p[x]=fi(p[x]);
}
void un(int x,int y)
{
    x=fi(x),y=fi(y);
    if(x==y)
        return;
    p[y]=x;
}
void dfs(int curr)
{
    group[curr]=c_g;
 
 
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Compilation message (stderr)

railroad.cpp: In function 'll plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:45:71: error: no matching function for call to 'std::vector<int>::resize(__gnu_cxx::__normal_iterator<int*, std::vector<int> >)'
   45 |  sort(vec.begin(),vec.end()); vec.resize(unique(vec.begin(),vec.end()));
      |                                                                       ^
In file included from /usr/include/c++/9/vector:67,
                 from railroad.h:3,
                 from railroad.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:934:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  934 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/9/bits/stl_vector.h:934:24: note:   no known conversion for argument 1 from '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
  934 |       resize(size_type __new_size)
      |              ~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:954:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int]'
  954 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/9/bits/stl_vector.h:954:7: note:   candidate expects 2 arguments, 1 provided