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Submission #234891

# Submission time Handle Problem Language Result Execution time Memory
234891 2020-05-26T07:09:52 Z Nodir_Bobiev Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 731 ms 45904 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+10;
	}
	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 7 ms 2944 KB Output is correct
3 Correct 6 ms 2944 KB Output is correct
4 Correct 7 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 7 ms 3124 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 7 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 7 ms 2944 KB Output is correct
3 Correct 6 ms 2944 KB Output is correct
4 Correct 7 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 7 ms 3124 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 7 ms 3072 KB Output is correct
9 Correct 8 ms 3200 KB Output is correct
10 Correct 6 ms 2944 KB Output is correct
11 Correct 7 ms 3072 KB Output is correct
12 Correct 10 ms 3328 KB Output is correct
13 Correct 11 ms 3328 KB Output is correct
14 Correct 6 ms 2944 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 7 ms 2944 KB Output is correct
3 Correct 6 ms 2944 KB Output is correct
4 Correct 7 ms 3072 KB Output is correct
5 Correct 6 ms 3072 KB Output is correct
6 Correct 7 ms 3124 KB Output is correct
7 Correct 7 ms 3072 KB Output is correct
8 Correct 7 ms 3072 KB Output is correct
9 Correct 8 ms 3200 KB Output is correct
10 Correct 6 ms 2944 KB Output is correct
11 Correct 7 ms 3072 KB Output is correct
12 Correct 10 ms 3328 KB Output is correct
13 Correct 11 ms 3328 KB Output is correct
14 Correct 6 ms 2944 KB Output is correct
15 Correct 7 ms 3072 KB Output is correct
16 Correct 529 ms 40672 KB Output is correct
17 Correct 92 ms 12028 KB Output is correct
18 Correct 200 ms 13308 KB Output is correct
19 Correct 731 ms 45904 KB Output is correct
20 Correct 338 ms 36856 KB Output is correct
21 Correct 78 ms 6904 KB Output is correct
22 Incorrect 371 ms 32384 KB Output isn't correct