Submission #64661

#	Time	Username	Problem	Language	Result	Execution time	Memory
64661		zetapi	Crocodile's Underground City (IOI11_crocodile)	C++14	46 / 100	870 ms	263168 KiB

crocodile

#include <crocodile.h>

#include <bits/stdc++.h>
using namespace std;

#define pb  push_back
#define mp  make_pair
#define ll long long
#define itr ::iterator 

typedef pair<int,int>  pii;

const int MAX=1e6;
const int INF=1e12;

vector<pii> vec[MAX];

ll dp[MAX];

void dfs(int node,int par)
{
	if(vec[node].size()==1 and vec[node][0].first==par)
		return ;
	int f=INF,s=INF;
	for(auto A:vec[node])
	{
		if(A.first==par)
			continue;
		dfs(A.first,node);
		if(dp[A.first]+A.second<s)
			s=dp[A.first]+A.second;
		if(f>s)
			swap(f,s);
	}
	dp[node]=s;
	return ;
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
	for(int A=0;A<M;A++)
	{
		vec[R[A][0]].pb(mp(R[A][1],L[A]));
		vec[R[A][1]].pb(mp(R[A][0],L[A]));
	}
	for(int A=0;A<N;A++)
	{
		if(vec[A].size()>1)
		{
			dfs(A,-1);
			return dp[A];
		}
	}
}

/*signed main()
{
	ios_base::sync_with_stdio(false);

	
	return 0;
}*/

Compilation message (stderr)

crocodile.cpp:14:15: warning: overflow in implicit constant conversion [-Woverflow]
 const int INF=1e12;
               ^~~~
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 46 / 46
• Subtask 2: 0 / 43
• Subtask 3: 0 / 11