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Submission #411795

# Submission time Handle Problem Language Result Execution time Memory
411795 2021-05-26T01:56:32 Z jeqcho Crocodile's Underground City (IOI11_crocodile) C++17
0 / 100
 5 ms 5708 KB 
//#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pair<int,int>> vpi;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define rsz resize
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

int const n=1e5+3;
bitset<n> colored;
vpi adj[n];
ll to[n];
pair<int,vector<ll>>cnt[n];

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
	vi nw;
	F0R(i,K)
	{
		colored[P[i]]=1;
		to[P[i]]=0;
		nw.pb(P[i]);
	}
	F0R(i,M)
	{
		int u=R[i][0];
		int v=R[i][1];
		adj[u].pb({v,L[i]});
		adj[v].pb({u,L[i]});
	}
	while(!colored[0])
	{
		trav(e,nw)
		{
			trav(chi,adj[e])
			{
				if(colored[chi.fi])continue;
				++cnt[chi.fi].fi;
				cnt[chi.fi].se.pb(to[e]+(ll)chi.se);
			}
		}
		nw.clear();
		F0R(i,N)
		{
			if(colored[i])continue;
			if(cnt[i].fi>=2)
			{
				colored[i]=1;
				sort(all(cnt[i].se));
				to[i]=cnt[i].se[1];
				nw.pb(i);
			}
		}
	}
	return to[0];
}

Subtask #1
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5708 KB Output is correct
2 Incorrect 5 ms 5708 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5708 KB Output is correct
2 Incorrect 5 ms 5708 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5708 KB Output is correct
2 Incorrect 5 ms 5708 KB Output isn't correct
3 Halted 0 ms 0 KB -