oj.uz

Submission #234904

# Submission time Handle Problem Language Result Execution time Memory
234904 2020-05-26T08:12:09 Z Nodir_Bobiev Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 691 ms 47352 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;

vector < pair < int, int > > gr[111111];
int cnt[111111], min1[111111], min2[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] = 2e9+10;
	}
	priority_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()){
		auto [dst, v] = q.top(); q.pop();
		if( -dst != min2[v] )continue;
		for( auto edge: gr[v] ){
			int cost = edge.first, to = edge.second;
			if( min1[to] > min2[v]+cost ){
				min2[to] = min1[to];
				min1[to] = min2[v]+cost;
				q.push({-min2[to], to});
			}
			else if( min2[to] > min2[v]+cost ){
				min2[to] = min2[v] + cost;
				q.push({-min2[to], to});
			}
		}
	}
	/*
	for( int i = 0; i < N; i ++ ){
		cout << "min1[" << i <<"]=" << min1[i] << "; min2[" << i << "]="<<min2[i]<<endl;
	}
	*/
	return min2[0];
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:23:8: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
   auto [dst, v] = q.top(); q.pop();
        ^

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 6 ms 2944 KB Output is correct
4 Correct 7 ms 3072 KB Output is correct
5 Correct 7 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 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 6 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 7 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 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 10 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 6 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 7 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 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 10 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 530 ms 42480 KB Output is correct
17 Correct 122 ms 11996 KB Output is correct
18 Correct 139 ms 13228 KB Output is correct
19 Correct 691 ms 47352 KB Output is correct
20 Correct 356 ms 36952 KB Output is correct
21 Correct 59 ms 6904 KB Output is correct
22 Incorrect 366 ms 32480 KB Output isn't correct