oj.uz

Submission #385297

# Submission time Handle Problem Language Result Execution time Memory
385297 2021-04-04T03:30:45 Z ngpin04 Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 588 ms 47332 KB 
#include <bits/stdc++.h>
#include "crocodile.h"
//#include "crocodile.cpp"
//#include "grader.cpp"
#define fi first
#define se second
#define mp make_pair
using namespace std;
const int NN = 1e5 + 5;
const int oo = 1e9 + 1;
 
vector <pair <int, int>> adj[NN];
 
int dis[NN][3];
int n;
 
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[])
{
    for (int i = 0; i < m; i++) {
        int u = r[i][0];
        int v = r[i][1];
        int w = l[i];
        adj[u].push_back(mp(v, w));
        adj[v].push_back(mp(u, w));
    }
    for (int i = 0; i < n; i++)
    for (int j = 0; j < 3; j++)
        dis[i][j] = oo;
 
    priority_queue <pair <int, int>> heap;
 
    for (int i = 0; i < k; i++)
    for (int j = 0; j < 2; j++) {
        dis[p[i]][j] = 0;
        if (j == 1)
            heap.push(mp(0, p[i]));
    }
    while (heap.size()) {
        int u = heap.top().se;
        int cur = -heap.top().fi;
        heap.pop();
        if (dis[u][1] != cur)
            continue;
        for (pair <int, int> e : adj[u]) {
            int v = e.fi;
            int w = e.se;
            bool ok = false;
            dis[v][2] = cur + w;
            for (int i = 2; i >= 1; i--)
                if (dis[v][i] < dis[v][i - 1])
                    swap(dis[v][i], dis[v][i - 1]), ok = true;
            if (ok)
                heap.push(mp(-dis[v][1], v));
            if (v == 0){
                //cerr << u << " " << v << " " << w << endl;
                //for (int i = 0; i < 3; i++)
                //    cerr << dis[0][i] << " ";
                //cerr << endl;
            }
        }
    }
    assert(dis[0][1] < oo);
    return dis[0][1];
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 3 ms 2668 KB Output is correct
3 Correct 3 ms 2816 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 2796 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 3 ms 2668 KB Output is correct
3 Correct 3 ms 2816 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 2796 KB Output is correct
7 Correct 3 ms 2796 KB Output is correct
8 Correct 3 ms 2796 KB Output is correct
9 Correct 4 ms 2924 KB Output is correct
10 Correct 3 ms 2668 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 6 ms 3052 KB Output is correct
13 Correct 5 ms 3180 KB Output is correct
14 Correct 3 ms 2668 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 3 ms 2668 KB Output is correct
3 Correct 3 ms 2816 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 2796 KB Output is correct
7 Correct 3 ms 2796 KB Output is correct
8 Correct 3 ms 2796 KB Output is correct
9 Correct 4 ms 2924 KB Output is correct
10 Correct 3 ms 2668 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 6 ms 3052 KB Output is correct
13 Correct 5 ms 3180 KB Output is correct
14 Correct 3 ms 2668 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct
16 Correct 462 ms 42424 KB Output is correct
17 Correct 99 ms 12136 KB Output is correct
18 Correct 154 ms 13416 KB Output is correct
19 Correct 588 ms 47332 KB Output is correct
20 Correct 302 ms 36588 KB Output is correct
21 Correct 46 ms 6892 KB Output is correct
22 Incorrect 325 ms 32364 KB Output isn't correct