Submission #384020

#	Time	Username	Problem	Language	Result	Execution time	Memory
384020		MODDI	Race (IOI11_race)	C++14	Compilation error	0 ms	0 KiB

race

#include "race.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
#define MAX_N 500000
using namespace std;
vector<pii> G[200000];
int best_path(int n, int k, int h[][2], int l[])
{
	for(int i = 0; i < n-1; i++){
		G[h[i][0]].pb(mp(h[i][1], l[i]));	
		G[h[i][1]].pb(mp(h[i][0], l[i]));
	}
	int best = 1e9;
	for(int i = 0; i <n; i++){
		vector<pll> dist(n);
		bool vis[n];
		memset(vis, false, sizeof(vis));
		queue<pii> q;
		q.push(mp(i,0));
		while(!q.empty()){
			int at = q.front().first;
			int nodes = q.front().second;
			q.pop();
			for(auto next : G[at]){
				if(!vis[next.first]){
					dist[next.first] = mp(dist[at].first + next.second, nodes+1);
					vis[next.first] = true;
					q.push(mp(next.first, nodes + 1));
				}
			}
		}
		for(int j = 0; j < n; j++){
			if(dist[j].first == k)
				best = min(best, dist[j].second);
		}
	}
	if(best == 1e9)
		return -1;
  return best;
}

Compilation message (stderr)

race.cpp: In function 'int best_path(int, int, int (*)[2], int*)':
race.cpp:40:36: error: no matching function for call to 'min(int&, long long int&)'
   40 |     best = min(best, dist[j].second);
      |                                    ^
In file included from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
race.cpp:40:36: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   40 |     best = min(best, dist[j].second);
      |                                    ^
In file included from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:2:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
race.cpp:40:36: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   40 |     best = min(best, dist[j].second);
      |                                    ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from race.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
race.cpp:40:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   40 |     best = min(best, dist[j].second);
      |                                    ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from race.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
race.cpp:40:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   40 |     best = min(best, dist[j].second);
      |                                    ^