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Submission #234886

# Submission time Handle Problem Language Result Execution time Memory
234886 2020-05-26T07:00:06 Z Nodir_Bobiev Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 858 ms 57084 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;

vector < pair < int, int > > gr[111111];
int cnt[111111], min1[111111], min2[111111], Vmin1[111111], Vmin2[111111];

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
	for(int i = 0; i < M; i ++ ){
		gr[R[i][0]].push_back({L[i], R[i][1]});
		gr[R[i][1]].push_back({L[i], R[i][0]});
	}
	for( int i = 0; i < N; i ++ ){
		min1[i] = min2[i] = 1e9;
	}
	queue < pair < int, int > > q;
	for( int i = 0; i < K; i ++ ){
		min1[P[i]] = min2[P[i]] = 0;
		q.push({0, P[i]});
	}
	while(!q.empty()){
		pair < int, int > pp = q.front(); q.pop();
		int c = pp.first, v = pp.second;
		if( cnt[v] != c ) continue;
		for( auto edge: gr[v] ){
			int cost = edge.first, to = edge.second;
			if( min1[to] > min2[v]+cost ){
				if( Vmin1[to] == v ){
					min1[to] = min2[v]+cost;
				}else{
					min2[to] = min1[to];
					Vmin2[to] = Vmin1[to];
					min1[to] = min2[v]+cost;
					Vmin1[to] = v;
					q.push({++cnt[to], to});
				}
			}
			else if( min2[to] > min2[v]+cost ){
				min2[to] = min2[v] + cost;
				Vmin2[to] = v;
				q.push({++cnt[to], to});
			}
		}
	}
	/*
	for( int i = 0; i < N; i ++ ){
		cout << "min1[" << i <<"]=" << min1[i] << "; min2[" << i << "]="<<min2[i]<<endl;
	}
	*/
	return min2[0];
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2944 KB Output is correct
2 Correct 6 ms 2944 KB Output is correct
3 Correct 7 ms 2944 KB Output is correct
4 Correct 6 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 6 ms 3072 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 6 ms 3072 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2944 KB Output is correct
2 Correct 6 ms 2944 KB Output is correct
3 Correct 7 ms 2944 KB Output is correct
4 Correct 6 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 6 ms 3072 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 6 ms 3072 KB Output is correct
9 Correct 8 ms 3200 KB Output is correct
10 Correct 6 ms 3072 KB Output is correct
11 Correct 7 ms 3072 KB Output is correct
12 Correct 10 ms 3328 KB Output is correct
13 Correct 10 ms 3328 KB Output is correct
14 Correct 6 ms 3072 KB Output is correct
15 Correct 7 ms 3072 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2944 KB Output is correct
2 Correct 6 ms 2944 KB Output is correct
3 Correct 7 ms 2944 KB Output is correct
4 Correct 6 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 6 ms 3072 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 6 ms 3072 KB Output is correct
9 Correct 8 ms 3200 KB Output is correct
10 Correct 6 ms 3072 KB Output is correct
11 Correct 7 ms 3072 KB Output is correct
12 Correct 10 ms 3328 KB Output is correct
13 Correct 10 ms 3328 KB Output is correct
14 Correct 6 ms 3072 KB Output is correct
15 Correct 7 ms 3072 KB Output is correct
16 Correct 514 ms 40720 KB Output is correct
17 Correct 125 ms 15224 KB Output is correct
18 Correct 234 ms 16760 KB Output is correct
19 Correct 858 ms 57084 KB Output is correct
20 Correct 467 ms 48120 KB Output is correct
21 Correct 98 ms 8312 KB Output is correct
22 Incorrect 499 ms 43572 KB Output isn't correct