oj.uz

Submission #98411

# Submission time Handle Problem Language Result Execution time Memory
98411 2019-02-23T07:22:29 Z win11905 Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 220 ms 28392 KB 
/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author win11905
 */

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define vi vector<int>
#define iii tuple<int, int, int>
#define long long long
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const long MOD = 1e9+7, LINF = 1e18 + 1e16;
const int INF = 1e9+1;
const double EPS = 1e-10;
const int dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1};

const int N = 3e4+5;
const int SZ = 175;

class skyscraper {
private:
    int n, m, s, t;
    set<int> g[N];
    int pre[SZ][N];
    int d[N];
    bool check[N];
public:
    void solve(istream& cin, ostream& cout) {
        cin >> n >> m;
        for(int i = 0, a, b; i < m; ++i) {
            cin >> a >> b;
            g[a].emplace(b);
            if(i == 0) s = a;
            if(i == 1) t = a;
        }
        fill_n(d, N, INF);
        fill_n(pre[0], SZ*N, INF);
        priority_queue<pii, vector<pii>, greater<pii>> Q;
        Q.emplace(d[s] = 0, s);
        while(!Q.empty()) {
            int u = Q.top().y, x = Q.top().x; Q.pop();
            if(check[u]) continue; check[u] = true;
            if(u == t) {
                cout << x << endl;
                return;
            }
            for(int p : g[u]) {
                if(p < SZ) pre[p][u] = x;
                for(int i = 1, v = u-p; v >= 0; v -= p, ++i) {
                    if(p < SZ) {
                        if(pre[p][v] <= x+i) break;
                        pre[p][v] = x+i;
                    }
                    if(d[v] > x+i) Q.emplace(d[v] = x+i, v);
                }
                for(int i = 1, v = u+p; v < n; v += p, ++i) {
                    if(p < SZ) {
                        if(pre[p][v] <= x+i) break;
                        pre[p][v] = x+1;
                    }
                    if(d[v] > x+i) Q.emplace(d[v] = x+i, v);
                }
            }
        }
        cout << -1 << endl;
    }
};

class Solver {
public:
    void solve(std::istream& in, std::ostream& out) {
        skyscraper *obj = new skyscraper();
        obj->solve(in, out);
    }
};

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    Solver solver;
    std::istream& in(std::cin);
    std::ostream& out(std::cout);
    solver.solve(in, out);
    return 0;
}

Compilation message

skyscraper.cpp: In member function 'void skyscraper::solve(std::istream&, std::ostream&)':
skyscraper.cpp:46:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
             if(check[u]) continue; check[u] = true;
             ^~
skyscraper.cpp:46:36: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
             if(check[u]) continue; check[u] = true;
                                    ^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 22400 KB Output is correct
2 Correct 29 ms 22476 KB Output is correct
3 Correct 24 ms 22400 KB Output is correct
4 Correct 26 ms 22400 KB Output is correct
5 Correct 29 ms 22392 KB Output is correct
6 Correct 28 ms 22448 KB Output is correct
7 Correct 27 ms 22528 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 22364 KB Output is correct
2 Correct 25 ms 22400 KB Output is correct
3 Correct 25 ms 22392 KB Output is correct
4 Correct 26 ms 22400 KB Output is correct
5 Correct 30 ms 22492 KB Output is correct
6 Correct 29 ms 22400 KB Output is correct
7 Correct 29 ms 22528 KB Output is correct
8 Correct 27 ms 22432 KB Output is correct
9 Correct 29 ms 22500 KB Output is correct
10 Correct 30 ms 22528 KB Output is correct
11 Correct 26 ms 22528 KB Output is correct
12 Correct 22 ms 22492 KB Output is correct
13 Correct 32 ms 22400 KB Output is correct
14 Correct 30 ms 22520 KB Output is correct
15 Correct 30 ms 22528 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 22400 KB Output is correct
2 Correct 25 ms 22392 KB Output is correct
3 Correct 28 ms 22392 KB Output is correct
4 Correct 28 ms 22400 KB Output is correct
5 Correct 28 ms 22432 KB Output is correct
6 Correct 25 ms 22528 KB Output is correct
7 Correct 28 ms 22400 KB Output is correct
8 Correct 23 ms 22400 KB Output is correct
9 Correct 26 ms 22500 KB Output is correct
10 Correct 34 ms 22528 KB Output is correct
11 Correct 26 ms 22520 KB Output is correct
12 Correct 25 ms 22400 KB Output is correct
13 Correct 27 ms 22520 KB Output is correct
14 Correct 27 ms 22528 KB Output is correct
15 Correct 29 ms 22528 KB Output is correct
16 Correct 26 ms 22528 KB Output is correct
17 Correct 25 ms 22656 KB Output is correct
18 Correct 31 ms 22528 KB Output is correct
19 Correct 27 ms 22520 KB Output is correct
20 Correct 30 ms 22648 KB Output is correct
21 Correct 27 ms 22520 KB Output is correct
22 Correct 25 ms 22524 KB Output is correct
23 Correct 26 ms 22580 KB Output is correct
24 Correct 26 ms 22648 KB Output is correct
25 Correct 26 ms 22648 KB Output is correct
26 Correct 24 ms 22528 KB Output is correct
27 Correct 26 ms 22528 KB Output is correct
28 Correct 28 ms 22656 KB Output is correct
29 Correct 27 ms 22648 KB Output is correct
30 Correct 28 ms 22608 KB Output is correct
31 Correct 28 ms 22524 KB Output is correct
32 Correct 29 ms 22528 KB Output is correct
33 Correct 35 ms 22872 KB Output is correct
34 Correct 31 ms 22896 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 22468 KB Output is correct
2 Correct 28 ms 22400 KB Output is correct
3 Correct 25 ms 22400 KB Output is correct
4 Correct 26 ms 22520 KB Output is correct
5 Correct 26 ms 22400 KB Output is correct
6 Correct 29 ms 22528 KB Output is correct
7 Correct 28 ms 22528 KB Output is correct
8 Correct 27 ms 22400 KB Output is correct
9 Correct 24 ms 22500 KB Output is correct
10 Correct 25 ms 22528 KB Output is correct
11 Correct 31 ms 22520 KB Output is correct
12 Correct 27 ms 22520 KB Output is correct
13 Correct 29 ms 22528 KB Output is correct
14 Correct 28 ms 22528 KB Output is correct
15 Correct 28 ms 22696 KB Output is correct
16 Correct 24 ms 22528 KB Output is correct
17 Correct 30 ms 22648 KB Output is correct
18 Correct 28 ms 22528 KB Output is correct
19 Correct 26 ms 22528 KB Output is correct
20 Correct 27 ms 22628 KB Output is correct
21 Correct 29 ms 22520 KB Output is correct
22 Correct 29 ms 22528 KB Output is correct
23 Correct 25 ms 22528 KB Output is correct
24 Correct 28 ms 22648 KB Output is correct
25 Correct 26 ms 22528 KB Output is correct
26 Correct 26 ms 22528 KB Output is correct
27 Correct 29 ms 22520 KB Output is correct
28 Correct 28 ms 22520 KB Output is correct
29 Correct 31 ms 22776 KB Output is correct
30 Correct 27 ms 22520 KB Output is correct
31 Correct 26 ms 22648 KB Output is correct
32 Correct 27 ms 22648 KB Output is correct
33 Correct 35 ms 22904 KB Output is correct
34 Correct 33 ms 22908 KB Output is correct
35 Correct 41 ms 23928 KB Output is correct
36 Correct 33 ms 22776 KB Output is correct
37 Correct 35 ms 23672 KB Output is correct
38 Correct 43 ms 24312 KB Output is correct
39 Correct 37 ms 24184 KB Output is correct
40 Correct 44 ms 24184 KB Output is correct
41 Correct 51 ms 24184 KB Output is correct
42 Correct 35 ms 22656 KB Output is correct
43 Correct 36 ms 22648 KB Output is correct
44 Correct 36 ms 22776 KB Output is correct
45 Correct 46 ms 24440 KB Output is correct
46 Correct 46 ms 24444 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 22532 KB Output is correct
2 Correct 25 ms 22528 KB Output is correct
3 Correct 28 ms 22528 KB Output is correct
4 Correct 29 ms 22400 KB Output is correct
5 Correct 26 ms 22528 KB Output is correct
6 Correct 26 ms 22520 KB Output is correct
7 Correct 29 ms 22392 KB Output is correct
8 Correct 28 ms 22400 KB Output is correct
9 Correct 24 ms 22400 KB Output is correct
10 Correct 25 ms 22500 KB Output is correct
11 Correct 28 ms 22528 KB Output is correct
12 Correct 25 ms 22392 KB Output is correct
13 Correct 29 ms 22500 KB Output is correct
14 Correct 27 ms 22528 KB Output is correct
15 Correct 26 ms 22528 KB Output is correct
16 Correct 24 ms 22520 KB Output is correct
17 Correct 28 ms 22628 KB Output is correct
18 Correct 30 ms 22528 KB Output is correct
19 Correct 29 ms 22520 KB Output is correct
20 Correct 27 ms 22656 KB Output is correct
21 Correct 26 ms 22528 KB Output is correct
22 Correct 24 ms 22528 KB Output is correct
23 Correct 27 ms 22484 KB Output is correct
24 Correct 29 ms 22620 KB Output is correct
25 Correct 28 ms 22520 KB Output is correct
26 Correct 31 ms 22528 KB Output is correct
27 Correct 26 ms 22520 KB Output is correct
28 Correct 30 ms 22528 KB Output is correct
29 Correct 29 ms 22656 KB Output is correct
30 Correct 26 ms 22528 KB Output is correct
31 Correct 29 ms 22656 KB Output is correct
32 Correct 29 ms 22528 KB Output is correct
33 Correct 34 ms 23000 KB Output is correct
34 Correct 31 ms 22900 KB Output is correct
35 Correct 47 ms 23928 KB Output is correct
36 Correct 31 ms 22776 KB Output is correct
37 Correct 41 ms 23544 KB Output is correct
38 Correct 48 ms 24240 KB Output is correct
39 Correct 35 ms 24192 KB Output is correct
40 Correct 44 ms 24184 KB Output is correct
41 Correct 42 ms 24188 KB Output is correct
42 Correct 33 ms 22648 KB Output is correct
43 Correct 31 ms 22648 KB Output is correct
44 Correct 39 ms 22784 KB Output is correct
45 Correct 56 ms 24440 KB Output is correct
46 Correct 51 ms 24440 KB Output is correct
47 Correct 45 ms 24436 KB Output is correct
48 Correct 34 ms 23680 KB Output is correct
49 Correct 40 ms 23676 KB Output is correct
50 Correct 34 ms 23288 KB Output is correct
51 Correct 55 ms 25348 KB Output is correct
52 Correct 66 ms 24948 KB Output is correct
53 Correct 50 ms 24452 KB Output is correct
54 Correct 30 ms 22648 KB Output is correct
55 Correct 27 ms 22744 KB Output is correct
56 Correct 49 ms 24352 KB Output is correct
57 Correct 32 ms 23160 KB Output is correct
58 Correct 41 ms 22904 KB Output is correct
59 Correct 46 ms 22904 KB Output is correct
60 Correct 36 ms 22904 KB Output is correct
61 Correct 40 ms 23036 KB Output is correct
62 Correct 55 ms 24184 KB Output is correct
63 Correct 92 ms 26348 KB Output is correct
64 Correct 87 ms 26348 KB Output is correct
65 Correct 139 ms 26348 KB Output is correct
66 Correct 220 ms 28308 KB Output is correct
67 Correct 164 ms 28392 KB Output is correct