oj.uz

Submission #233522

# Submission time Handle Problem Language Result Execution time Memory
233522 2020-05-20T19:49:19 Z crossing0ver Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
 2000 ms 64072 KB 
#include<bits/stdc++.h>
#define ll long long 
#define fi first
#define se second
#include "crocodile.h"
using namespace std;
vector <pair<int,int > > adj[100000];
ll IN[100000][2];
bool vis[100000];
int Ein[100000],v,x;
ll dis[100000],d;
ll val;
struct cmp{
	bool operator() (int a,   int b)  {
		if (Ein[a] == Ein[b] && dis[a] == dis[b]) return a < b;
		if (Ein[a] >= 2 && Ein[b] >= 2)
			return dis[a] <= dis[b];
		return Ein[a] >= 2;
	}
};
 
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
	for (int i = 0; i < M; i++) {
		adj[ R[i][0] ].push_back( { L [i], R[i][1] } );
		adj[ R[i][1] ].push_back( { L[i] , R[i][0] });
	}
	for (int i = 0; i <  100000; i++)
		dis[i] = 100000000000000; 
	set<int,cmp>  s;
	for (int i = 0; i < K; i++) 
		Ein[P[i]] = 2,dis[P[i]] = 0,s.insert (P[i]);
	while (!s.empty()) {
		 v = *s.begin();
		if (Ein[v] < 2) break;       
		s.erase(s.begin());
		if (vis[v]) continue;
		vis[v] = 1;
		for (auto i : adj[v]) {
			 x = i.se;
			if (vis[x]) continue;
			s.erase(x);
		   d = i.fi + dis[v];
		   if (IN[x][0] == 0) IN[x][0] = d;
		   else if (IN[x][1] == 0) {
		   	IN[x][1] = d;
		   	if (IN[x][0] > IN[x][1]) swap(IN[x][0],IN[x][1]);
		   }
		   else if (IN[x][1] > d) {
		   	IN[x][1] = d;
		   	if (IN[x][0] > IN[x][1]) swap(IN[x][0],IN[x][1]);
		   }
			Ein[x] ++;
			if (IN[x][1] && dis[x] > IN[x][1]) {
					dis[x] = IN[x][1];
			}
			s.insert (x);
		}
	}
	return dis[0];	
}        /*
main()  {
	
}             */

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 7 ms 3584 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 8 ms 3584 KB Output is correct
6 Correct 7 ms 3584 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 7 ms 3584 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 7 ms 3584 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 8 ms 3584 KB Output is correct
6 Correct 7 ms 3584 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 7 ms 3584 KB Output is correct
9 Correct 9 ms 3712 KB Output is correct
10 Correct 6 ms 3584 KB Output is correct
11 Correct 8 ms 3584 KB Output is correct
12 Correct 12 ms 3840 KB Output is correct
13 Correct 11 ms 3840 KB Output is correct
14 Correct 7 ms 3456 KB Output is correct
15 Correct 7 ms 3584 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 7 ms 3584 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 8 ms 3584 KB Output is correct
6 Correct 7 ms 3584 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 7 ms 3584 KB Output is correct
9 Correct 9 ms 3712 KB Output is correct
10 Correct 6 ms 3584 KB Output is correct
11 Correct 8 ms 3584 KB Output is correct
12 Correct 12 ms 3840 KB Output is correct
13 Correct 11 ms 3840 KB Output is correct
14 Correct 7 ms 3456 KB Output is correct
15 Correct 7 ms 3584 KB Output is correct
16 Correct 1659 ms 41816 KB Output is correct
17 Correct 109 ms 15864 KB Output is correct
18 Correct 150 ms 17400 KB Output is correct
19 Execution timed out 2044 ms 64072 KB Time limit exceeded
20 Halted 0 ms 0 KB -