Submission #413671

#	Time	Username	Problem	Language	Result	Execution time	Memory
413671		Mahmudul_Kabir	Race (IOI11_race)	C++14	Compilation error	0 ms	0 KiB

race

#include "race.h"

#include <bits/stdc++.h>

#define sp <<" "
#define el <<"\n"
#define S second
#define F first
#define pb push_back
#define all(ar) ar.begin(),ar.end()
#define pii pair<ll,ll>


using namespace std;
using ll = long long;
using ld = long double;

const ll mxr = 200005;
const ll big = 2000000999;

ll n,k,ans = big;
vector<vector<pii>> g;
bitset<mxr> ded;

void dfs(int v,int p,vector<int> &sz){
  sz[v] = 1;
  for(pii r: g[v]){
    if(r.F == p || ded[r.F]) continue; 
    dfs(r.F,v,sz); 
    sz[v] += sz[r.F]; 
  }
  return; 
}

int fcen(int v,int p,int lim,vector<int> &sz){
  for(pii r: g[v]){
    if(r.F == p || ded[r.F]) continue;
    if(sz[r.F] > lim) return fcen(r.F,v,lim,sz);
  }
  return v;
}

void fil(int v,int p,int cost,int dep,unordered_map<int,int> &dis,unordered_map<int,int> &cum){
  if(cost > k) return;
  if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);  
  dis[cost] = dis.count(cost) ? min(dis[cost],dep) : dep; 
  for(pii r: g[v]){
    if(r.F == p || ded[r.F]) continue;
    fil(r.F,v,cost + r.S,dep+1,dis,cum);
  }
  return;
}

void decompose(int v){
  vector<int> sz(n+1);
  dfs(v,-1,sz);
  int lim = (sz[v]/2);
  int cen = fcen(v,-1,lim,sz);  
  ded[cen] = 1;
  unordered_map<int,int> cum;  
  for(pii r: g[cen]){
    if(ded[r.F]) continue; 
    unordered_map<int,int> dis; 
    fil(r.F,cen,r.S,1,dis,cum);
    for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S; 
  } 
  if(cum.count(k)) ans = min(ans,cum[k]);  
  for(pii r: g[cen]){
    if(!ded[r.F]) decompose(r.F);
  }
}

int best_path(int N, int K, int H[][2], int L[])
{
  n = N;
  k = K;
  g.assign(n,{});
  for(int i = 1; i < n; i++){
    int a = H[i-1][0], b = H[i-1][1], c = L[i-1]; 
    g[a].pb({b,c});
    g[b].pb({a,c});
  } 
  decompose(0);
  return ans == big ? -1 : ans;
}

Compilation message (stderr)

race.cpp: In function 'void fil(int, int, int, int, std::unordered_map<int, int>&, std::unordered_map<int, int>&)':
race.cpp:45:61: error: no matching function for call to 'min(ll&, int)'
   45 |   if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);
      |                                                             ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:45:61: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   45 |   if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);
      |                                                             ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:45:61: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   45 |   if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);
      |                                                             ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:45:61: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   45 |   if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);
      |                                                             ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:45:61: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   45 |   if(cum.count(k - cost)) ans = min(ans, dep + cum[k - cost]);
      |                                                             ^
race.cpp: In function 'void decompose(int)':
race.cpp:65:65: error: no matching function for call to 'min(std::unordered_map<int, int>::mapped_type&, long long int&)'
   65 |     for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S;
      |                                                                 ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:65:65: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   65 |     for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S;
      |                                                                 ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:65:65: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   65 |     for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S;
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:65:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   65 |     for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S;
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:65:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   65 |     for(pii x: dis) cum[x.F] = cum.count(x.F) ? min(cum[x.F],x.S) : x.S;
      |                                                                 ^
race.cpp:67:40: error: no matching function for call to 'min(ll&, std::unordered_map<int, int>::mapped_type&)'
   67 |   if(cum.count(k)) ans = min(ans,cum[k]);
      |                                        ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:67:40: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::unordered_map<int, int>::mapped_type' {aka 'int'})
   67 |   if(cum.count(k)) ans = min(ans,cum[k]);
      |                                        ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from race.cpp:3:
/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:
race.cpp:67:40: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::unordered_map<int, int>::mapped_type' {aka 'int'})
   67 |   if(cum.count(k)) ans = min(ans,cum[k]);
      |                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:67:40: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   67 |   if(cum.count(k)) ans = min(ans,cum[k]);
      |                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from race.cpp:3:
/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:
race.cpp:67:40: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   67 |   if(cum.count(k)) ans = min(ans,cum[k]);
      |                                        ^