oj.uz

Submission #229796

# Submission time Handle Problem Language Result Execution time Memory
229796 2020-05-06T14:19:05 Z quocnguyen1012 Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 671 ms 45040 KB 
#ifndef LOCAL
#include "crocodile.h"
#endif // LOCAL

#include <bits/stdc++.h>

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define ar array

using namespace std;
typedef long long ll;
typedef pair<int, int> ii;

const int maxn = 1e5 + 5;
const int inf = 2e9;

int N, M, K;
int dist[maxn][2];
vector<ii> adj[maxn];

int travel_plan(int _N, int _M, int R[][2], int L[], int _K, int P[])
{
  priority_queue<ii, vector<ii>, greater<ii>> pq;
  N = _N, M = _M, K = _K;
  for(int i = 0; i < M; ++i){
    adj[R[i][0]].eb(R[i][1], L[i]);
    adj[R[i][1]].eb(R[i][0], L[i]);
    ///cerr << R[i][0] << ' ' << R[i][1] << ' ' << L[i] << '\n';
  }
  fill_n(&dist[0][0], maxn * 2, inf);
  for(int i = 0; i < K; ++i){
    pq.push(mp(0, P[i]));
    dist[P[i]][0] = dist[P[i]][1] = 0;
  }
  while(pq.size()){
    int now; int u;
    tie(now, u) = pq.top(); pq.pop();
    if(now > dist[u][1]) continue;
    for(auto v : adj[u]){
      int d = dist[u][1] + v.se;
      if(dist[v.fi][0] > d){
        swap(dist[v.fi][0], dist[v.fi][1]);
        dist[v.fi][0] = d;
        if(dist[v.fi][1] != inf)
          pq.push(mp(dist[v.fi][1], v.fi));
      }
      else if(dist[v.fi][1] > d){
        dist[v.fi][1] = d;
        pq.push(mp(d, v.fi));
      }
    }
    ///cerr << '\n';
  }
  return dist[0][1];
}

#ifdef LOCAL
signed main(void)
{
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  #ifdef LOCAL
    freopen("A.INP", "r", stdin);
    freopen("A.OUT", "w", stdout);
  #endif // LOCAL
  int _N, _M, _K;
  cin >> _N >> _M >> _K;
  int L[_M], R[_M][2], P[_K];
  for(int i = 0; i < _M; ++i){
    cin >> R[i][0] >> R[i][1];
  }
  for(int i = 0; i < _M; ++i)
    cin >> L[i];
  for(int i = 0; i < _K; ++i)
  cin >> P[i];
  cout << travel_plan(_N, _M, R, L, _K, P);
}
#endif // LOCAL

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 6 ms 3456 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 7 ms 3584 KB Output is correct
6 Correct 7 ms 3456 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 6 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 6 ms 3456 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 7 ms 3584 KB Output is correct
6 Correct 7 ms 3456 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 6 ms 3584 KB Output is correct
9 Correct 8 ms 3712 KB Output is correct
10 Correct 7 ms 3456 KB Output is correct
11 Correct 7 ms 3584 KB Output is correct
12 Correct 10 ms 3840 KB Output is correct
13 Correct 11 ms 3840 KB Output is correct
14 Correct 6 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 6 ms 3456 KB Output is correct
4 Correct 7 ms 3584 KB Output is correct
5 Correct 7 ms 3584 KB Output is correct
6 Correct 7 ms 3456 KB Output is correct
7 Correct 7 ms 3584 KB Output is correct
8 Correct 6 ms 3584 KB Output is correct
9 Correct 8 ms 3712 KB Output is correct
10 Correct 7 ms 3456 KB Output is correct
11 Correct 7 ms 3584 KB Output is correct
12 Correct 10 ms 3840 KB Output is correct
13 Correct 11 ms 3840 KB Output is correct
14 Correct 6 ms 3456 KB Output is correct
15 Correct 7 ms 3584 KB Output is correct
16 Correct 549 ms 41652 KB Output is correct
17 Correct 93 ms 10488 KB Output is correct
18 Correct 117 ms 11992 KB Output is correct
19 Correct 671 ms 45040 KB Output is correct
20 Correct 343 ms 37368 KB Output is correct
21 Correct 50 ms 6776 KB Output is correct
22 Incorrect 371 ms 32376 KB Output isn't correct