oj.uz

Submission #234907

# Submission time Handle Problem Language Result Execution time Memory
234907 2020-05-26T08:33:13 Z Nodir_Bobiev Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 680 ms 47336 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] = 1e9;
	}
	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 [cost, to]: gr[v] ){
			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();
        ^
crocodile.cpp:25:13: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
   for( auto [cost, to]: gr[v] ){
             ^

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 6 ms 3072 KB Output is correct
6 Correct 6 ms 2944 KB Output is correct
7 Correct 6 ms 3072 KB Output is correct
8 Correct 6 ms 2816 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 6 ms 3072 KB Output is correct
6 Correct 6 ms 2944 KB Output is correct
7 Correct 6 ms 3072 KB Output is correct
8 Correct 6 ms 2816 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 9 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 6 ms 3072 KB Output is correct
6 Correct 6 ms 2944 KB Output is correct
7 Correct 6 ms 3072 KB Output is correct
8 Correct 6 ms 2816 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 9 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 540 ms 42232 KB Output is correct
17 Correct 115 ms 11892 KB Output is correct
18 Correct 139 ms 13300 KB Output is correct
19 Correct 680 ms 47336 KB Output is correct
20 Correct 340 ms 36860 KB Output is correct
21 Correct 52 ms 6904 KB Output is correct
22 Incorrect 368 ms 32504 KB Output isn't correct