Submission #60635

#	Time	Username	Problem	Language	Result	Execution time	Memory
60635		theknife2001	Tropical Garden (IOI11_garden)	C++17	Compilation error	0 ms	0 KiB

garden

#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>


using namespace std;
const int N=1005;
vector < pair < int , int > > vec[N];

int dfs(int u , int p , int k)
{
    if(!k)
        return u;
    int v,c;
    int mv=p,mc=0;
    for(auto x:vec[u])
    {
        v=x.first;
        c=x.second;
        if(v==p)
            continue;
        if(c>mc)
        {
            mc=c;
            mv=v;
        }
    }
    return dfs(mv,u,k-1);
}

void count_routes(int n, int m, int P, int r[][2], int Q, int G[])
{
    int k=G[0];
    for(int i=0;i<m;i++)
    {
        vec[r[i][0]].push_back(r[i][1],m-i);
        vec[r[i][1]].push_back(r[i][0],m-i);
    }
    int cnt=0;
    for(int i=0;i<n;i++)
    {
        if(dfs(i,-1,k)==P)
            cnt++;
    }
    return cnt;
}

Compilation message (stderr)

garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:36:43: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int&, int)'
         vec[r[i][0]].push_back(r[i][1],m-i);
                                           ^
In file included from /usr/include/c++/7/vector:64:0,
                 from /usr/include/c++/7/functional:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:71,
                 from garden.cpp:3:
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
       push_back(const value_type& __x)
       ^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:939:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
       push_back(value_type&& __x)
       ^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:953:7: note:   candidate expects 1 argument, 2 provided
garden.cpp:37:43: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int&, int)'
         vec[r[i][1]].push_back(r[i][0],m-i);
                                           ^
In file included from /usr/include/c++/7/vector:64:0,
                 from /usr/include/c++/7/functional:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:71,
                 from garden.cpp:3:
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
       push_back(const value_type& __x)
       ^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:939:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
       push_back(value_type&& __x)
       ^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:953:7: note:   candidate expects 1 argument, 2 provided
garden.cpp:45:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
     return cnt;
            ^~~