Submission #488785

#	Time	Username	Problem	Language	Result	Execution time	Memory
488785		Theo830	Road Closures (APIO21_roads)	C++17	Compilation error	0 ms	0 KiB

roads

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ii,ll>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///APIO 2021 vc
#include "roads.h"
vector<vector<ii> >adj;
ll dp[2005][2];
ll solve(ll idx,ll k,ll p,bool ep){
    if(dp[idx][ep] != -1){
        return dp[idx][ep];
    }
    ll ans = INF;
    ll siz = k - ep;
    vll ex;
    ll sum = 0;
    for(auto x:adj[idx]){
        if(x.F != p){
            sum += x.S + solve(x.F,k,idx,0);
            ex.pb(solve(x.F,k,idx,1) - (x.S + solve(x.F,k,idx,0)));
        }
    }
    ans = sum;
    sort(all(ex));
    f(i,0,min((1LL) * ex.size(),siz)){
        ans += ex[i];
    }
    return dp[idx][ep] = ans;
}
std::vector<long long> minimum_closure_costs(int N, std::vector<int> U,std::vector<int> V,std::vector<int> W){
    vll ans;
    adj.assign(N+5,vector<ii>());
    f(i,0,N-1){
        adj[U[i]].pb(ii(V[i],W[i]));
        adj[V[i]].pb(ii(U[i],W[i]));
    }
    f(k,0,N){
        memset(dp,-1,sizeof dp);
        ans.pb(solve(1,k,0,0));
    }
    return ans;
}

Compilation message (stderr)

roads.cpp: In function 'll solve(ll, ll, ll, bool)':
roads.cpp:44:36: error: no matching function for call to 'min(long long unsigned int, ll&)'
   44 |     f(i,0,min((1LL) * ex.size(),siz)){
      |                                    ^
roads.cpp:8:35: note: in definition of macro 'f'
    8 | #define f(i,a,b) for(ll i = a;i < b;i++)
      |                                   ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from roads.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
roads.cpp:44:36: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'll' {aka 'long long int'})
   44 |     f(i,0,min((1LL) * ex.size(),siz)){
      |                                    ^
roads.cpp:8:35: note: in definition of macro 'f'
    8 | #define f(i,a,b) for(ll i = a;i < b;i++)
      |                                   ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from roads.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
roads.cpp:44:36: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'll' {aka 'long long int'})
   44 |     f(i,0,min((1LL) * ex.size(),siz)){
      |                                    ^
roads.cpp:8:35: note: in definition of macro 'f'
    8 | #define f(i,a,b) for(ll i = a;i < b;i++)
      |                                   ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from roads.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
roads.cpp:44:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   44 |     f(i,0,min((1LL) * ex.size(),siz)){
      |                                    ^
roads.cpp:8:35: note: in definition of macro 'f'
    8 | #define f(i,a,b) for(ll i = a;i < b;i++)
      |                                   ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from roads.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
roads.cpp:44:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   44 |     f(i,0,min((1LL) * ex.size(),siz)){
      |                                    ^
roads.cpp:8:35: note: in definition of macro 'f'
    8 | #define f(i,a,b) for(ll i = a;i < b;i++)
      |                                   ^