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Submission #23447

# Submission time Handle Problem Language Result Execution time Memory
23447 2017-05-09T16:14:49 Z duongthoi1999 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 40008 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
const int mod = (int) 1e9 + 7;
const ll inf = 1LL << 60;
const int maxn = (int) 3e4 + 5;
const ld eps = 1e-9;

int n, m, b[maxn], p[maxn], f[maxn];
map<int, int> d[maxn];
vector<int> a[maxn];
deque<pair<int, ii> > pq;

int main() {
    //freopen("test.txt", "r", stdin);
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> m;
    rep(i, 0, m) {
        cin >> b[i] >> p[i];
//        b[i] = rand() % n;
//        p[i] = rand() % 30000 + 1;
        a[b[i]].pb(p[i]);
        d[b[i]][p[i]] = mod;
    }
    rep(i, 0, n) {
        sort(all(a[i]));
        a[i].resize(unique(all(a[i])) - a[i].begin());
    }
    d[b[0]][p[0]] = 0;
    pq.push_back(make_pair(0, ii(b[0], p[0])));
    while(!pq.empty()) {
        int du = pq.front().fi;
        int u = pq.front().se.fi;
        int t = pq.front().se.se;
        pq.pop_front();
        if(du != d[u][t]) continue;
        rep(i, -1, 2) if(i) {
            int v = u + i * t;
            if(v < 0 || v >= n || v == u) continue;
            if(d[v].count(t) && d[v][t] <= du + 1) continue;
            d[v][t] = du + 1;
            pq.push_back(make_pair(du + 1, ii(v, t)));
        }
        if(f[u]) continue;
        for (auto s : a[u]) {
            d[u][s] = du;
            pq.push_front(make_pair(du, ii(u, s)));
        }
        f[u] = 1;
    }
    if(d[b[1]][p[1]] != mod) cout << d[b[1]][p[1]] << '\n';
    else cout << "-1\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4648 KB Output is correct
2 Correct 0 ms 4648 KB Output is correct
3 Correct 0 ms 4648 KB Output is correct
4 Correct 0 ms 4648 KB Output is correct
5 Correct 0 ms 4648 KB Output is correct
6 Correct 0 ms 4648 KB Output is correct
7 Correct 0 ms 4648 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4648 KB Output is correct
2 Correct 0 ms 4648 KB Output is correct
3 Correct 0 ms 4648 KB Output is correct
4 Correct 0 ms 4648 KB Output is correct
5 Correct 0 ms 4648 KB Output is correct
6 Correct 0 ms 4648 KB Output is correct
7 Correct 0 ms 4648 KB Output is correct
8 Correct 0 ms 4648 KB Output is correct
9 Correct 0 ms 4648 KB Output is correct
10 Correct 0 ms 4648 KB Output is correct
11 Correct 3 ms 4780 KB Output is correct
12 Correct 0 ms 4648 KB Output is correct
13 Correct 0 ms 4648 KB Output is correct
14 Correct 3 ms 4912 KB Output is correct
15 Correct 3 ms 4912 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4648 KB Output is correct
2 Correct 0 ms 4648 KB Output is correct
3 Correct 0 ms 4648 KB Output is correct
4 Correct 0 ms 4648 KB Output is correct
5 Correct 0 ms 4648 KB Output is correct
6 Correct 0 ms 4648 KB Output is correct
7 Correct 0 ms 4648 KB Output is correct
8 Correct 0 ms 4648 KB Output is correct
9 Correct 0 ms 4648 KB Output is correct
10 Correct 0 ms 4648 KB Output is correct
11 Correct 3 ms 4780 KB Output is correct
12 Correct 0 ms 4648 KB Output is correct
13 Correct 0 ms 4648 KB Output is correct
14 Correct 3 ms 4912 KB Output is correct
15 Correct 3 ms 4912 KB Output is correct
16 Correct 0 ms 4648 KB Output is correct
17 Correct 3 ms 5308 KB Output is correct
18 Correct 0 ms 4648 KB Output is correct
19 Correct 0 ms 4648 KB Output is correct
20 Correct 0 ms 4780 KB Output is correct
21 Correct 0 ms 4648 KB Output is correct
22 Correct 0 ms 4648 KB Output is correct
23 Correct 0 ms 4912 KB Output is correct
24 Correct 3 ms 5308 KB Output is correct
25 Correct 3 ms 5044 KB Output is correct
26 Correct 0 ms 5044 KB Output is correct
27 Correct 3 ms 4912 KB Output is correct
28 Correct 9 ms 5704 KB Output is correct
29 Correct 26 ms 7552 KB Output is correct
30 Correct 6 ms 5440 KB Output is correct
31 Correct 13 ms 6232 KB Output is correct
32 Correct 3 ms 5704 KB Output is correct
33 Correct 56 ms 10324 KB Output is correct
34 Correct 63 ms 10324 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4648 KB Output is correct
2 Correct 0 ms 4648 KB Output is correct
3 Correct 0 ms 4648 KB Output is correct
4 Correct 0 ms 4648 KB Output is correct
5 Correct 0 ms 4648 KB Output is correct
6 Correct 0 ms 4648 KB Output is correct
7 Correct 0 ms 4648 KB Output is correct
8 Correct 0 ms 4648 KB Output is correct
9 Correct 0 ms 4648 KB Output is correct
10 Correct 3 ms 4648 KB Output is correct
11 Correct 3 ms 4780 KB Output is correct
12 Correct 0 ms 4648 KB Output is correct
13 Correct 0 ms 4648 KB Output is correct
14 Correct 3 ms 4912 KB Output is correct
15 Correct 3 ms 4912 KB Output is correct
16 Correct 0 ms 4648 KB Output is correct
17 Correct 6 ms 5308 KB Output is correct
18 Correct 0 ms 4648 KB Output is correct
19 Correct 0 ms 4648 KB Output is correct
20 Correct 0 ms 4780 KB Output is correct
21 Correct 0 ms 4648 KB Output is correct
22 Correct 0 ms 4648 KB Output is correct
23 Correct 3 ms 4912 KB Output is correct
24 Correct 6 ms 5308 KB Output is correct
25 Correct 3 ms 5044 KB Output is correct
26 Correct 3 ms 5044 KB Output is correct
27 Correct 3 ms 4912 KB Output is correct
28 Correct 9 ms 5704 KB Output is correct
29 Correct 23 ms 7552 KB Output is correct
30 Correct 3 ms 5440 KB Output is correct
31 Correct 9 ms 6232 KB Output is correct
32 Correct 6 ms 5704 KB Output is correct
33 Correct 49 ms 10324 KB Output is correct
34 Correct 66 ms 10324 KB Output is correct
35 Correct 79 ms 9656 KB Output is correct
36 Correct 9 ms 5568 KB Output is correct
37 Correct 153 ms 12964 KB Output is correct
38 Correct 133 ms 12564 KB Output is correct
39 Correct 133 ms 12568 KB Output is correct
40 Correct 153 ms 12560 KB Output is correct
41 Correct 136 ms 12560 KB Output is correct
42 Correct 9 ms 5084 KB Output is correct
43 Correct 9 ms 5088 KB Output is correct
44 Correct 9 ms 4956 KB Output is correct
45 Correct 379 ms 27756 KB Output is correct
46 Correct 396 ms 27756 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4648 KB Output is correct
2 Correct 0 ms 4648 KB Output is correct
3 Correct 0 ms 4648 KB Output is correct
4 Correct 0 ms 4648 KB Output is correct
5 Correct 0 ms 4648 KB Output is correct
6 Correct 0 ms 4648 KB Output is correct
7 Correct 0 ms 4648 KB Output is correct
8 Correct 0 ms 4648 KB Output is correct
9 Correct 0 ms 4648 KB Output is correct
10 Correct 0 ms 4648 KB Output is correct
11 Correct 0 ms 4780 KB Output is correct
12 Correct 0 ms 4648 KB Output is correct
13 Correct 0 ms 4648 KB Output is correct
14 Correct 3 ms 4912 KB Output is correct
15 Correct 3 ms 4912 KB Output is correct
16 Correct 0 ms 4648 KB Output is correct
17 Correct 6 ms 5308 KB Output is correct
18 Correct 0 ms 4648 KB Output is correct
19 Correct 0 ms 4648 KB Output is correct
20 Correct 0 ms 4780 KB Output is correct
21 Correct 0 ms 4648 KB Output is correct
22 Correct 0 ms 4648 KB Output is correct
23 Correct 3 ms 4912 KB Output is correct
24 Correct 3 ms 5308 KB Output is correct
25 Correct 0 ms 5044 KB Output is correct
26 Correct 3 ms 5044 KB Output is correct
27 Correct 0 ms 4912 KB Output is correct
28 Correct 3 ms 5704 KB Output is correct
29 Correct 23 ms 7552 KB Output is correct
30 Correct 0 ms 5440 KB Output is correct
31 Correct 6 ms 6232 KB Output is correct
32 Correct 6 ms 5704 KB Output is correct
33 Correct 63 ms 10324 KB Output is correct
34 Correct 56 ms 10324 KB Output is correct
35 Correct 93 ms 9656 KB Output is correct
36 Correct 3 ms 5568 KB Output is correct
37 Correct 169 ms 12964 KB Output is correct
38 Correct 139 ms 12564 KB Output is correct
39 Correct 149 ms 12568 KB Output is correct
40 Correct 139 ms 12560 KB Output is correct
41 Correct 143 ms 12560 KB Output is correct
42 Correct 9 ms 5084 KB Output is correct
43 Correct 3 ms 5088 KB Output is correct
44 Correct 3 ms 4956 KB Output is correct
45 Correct 389 ms 27756 KB Output is correct
46 Correct 386 ms 27756 KB Output is correct
47 Execution timed out 1000 ms 40008 KB Execution timed out
48 Halted 0 ms 0 KB -