oj.uz

Submission #337098

# Submission time Handle Problem Language Result Execution time Memory
337098 2020-12-18T11:06:13 Z enerelt14 Crocodile's Underground City (IOI11_crocodile) C++14
100 / 100
 785 ms 67420 KB 
#include "crocodile.h"
#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
using namespace std;
vector<pair<int, int> >adj[100005];
priority_queue<pair<int, int> >pq;
bool vis[100005]={0};
int viz[100005]={0};
int path[100005];
void dijkstra(){
	while(!pq.empty()){
		int u=pq.top().ss;
		int cost=-pq.top().ff;
		pq.pop();
		if (viz[u]==1){
			vis[u]=1;
			path[u]=cost;
			for (int i=0;i<adj[u].size();i++){
				int v=adj[u][i].ff;
				int cst=adj[u][i].ss;
				if (!vis[v])pq.push(mp(-(cost+cst), v));
			}
		}
		viz[u]++;
	}
}
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]].pb(mp(R[i][1], L[i]));
		adj[R[i][1]].pb(mp(R[i][0], L[i]));
	}
	for (int i=0;i<K;i++){
		pq.push(mp(0, P[i]));
		viz[P[i]]=1;
	}
	while(!pq.empty()){
		int u=pq.top().ss;
		int cost=-pq.top().ff;
		pq.pop();
		if (viz[u]==1){
			vis[u]=1;
			path[u]=cost;
			for (int i=0;i<adj[u].size();i++){
				int v=adj[u][i].ff;
				int cst=adj[u][i].ss;
				if (!vis[v])pq.push(mp(-(cost+cst), v));
			}
		}
		viz[u]++;
	}
	return path[0];
}

Compilation message

crocodile.cpp: In function 'void dijkstra()':
crocodile.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |    for (int i=0;i<adj[u].size();i++){
      |                 ~^~~~~~~~~~~~~~
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:47:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |    for (int i=0;i<adj[u].size();i++){
      |                 ~^~~~~~~~~~~~~~

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 3 ms 2796 KB Output is correct
8 Correct 3 ms 2796 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 3 ms 2796 KB Output is correct
8 Correct 3 ms 2796 KB Output is correct
9 Correct 5 ms 3052 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 7 ms 3436 KB Output is correct
13 Correct 7 ms 3436 KB Output is correct
14 Correct 2 ms 2796 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 3 ms 2796 KB Output is correct
8 Correct 3 ms 2796 KB Output is correct
9 Correct 5 ms 3052 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 7 ms 3436 KB Output is correct
13 Correct 7 ms 3436 KB Output is correct
14 Correct 2 ms 2796 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct
16 Correct 692 ms 64600 KB Output is correct
17 Correct 80 ms 13932 KB Output is correct
18 Correct 110 ms 15340 KB Output is correct
19 Correct 785 ms 67420 KB Output is correct
20 Correct 452 ms 57816 KB Output is correct
21 Correct 44 ms 7788 KB Output is correct
22 Correct 426 ms 46444 KB Output is correct