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Submission #1110707

# Submission time Handle Problem Language Result Execution time Memory
1110707 2024-11-10T08:45:16 Z vjudge1 Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 277 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (int i = (a); i >= (b); --i)

template <class X, class Y>
    bool minimize(X &x, Y y) {
        if (x > y) return x = y, true;
        else return false;
    }

int n, m;

const ll INF = (ll) 1e18 + 7;

#define ii pair <long long, int>

#define MAX 50'005
vector <ii> adj[MAX + 2];
int b[MAX + 2], p[MAX + 2];
ll dist[MAX + 2];
vector <int> jump[MAX + 2];

void Dijkstra(int s) {
    priority_queue <ii, vector <ii>, greater <ii>> q;
    FOR(i, 1, n) dist[i] = INF;
    dist[s] = 0;
    q.push({0, s});

    while (!q.empty()) {
        ll cost = q.top().first;
        int u = q.top().second;
        q.pop();
        if (cost > dist[u]) continue;

        for (auto it : adj[u]) {
            int v = it.first, w = it.second;
            if (minimize(dist[v], dist[u] + w)) {
                q.push({dist[v], v});
            }
        }
    }

    cout << (dist[b[2]] != INF ? dist[b[2]] : -1);
}

void add_edge(int u, int v, int w) {
    adj[u].push_back({v, w});
}

bool used[MAX + 2];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);
    #define task "sky"
    if (fopen(task".inp","r")) {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    cin >> n >> m;
    memset(used, false, sizeof(used));
    FOR(i, 1, m) {
        cin >> b[i] >> p[i];
        ++b[i];
        used[b[i]] = true;
        jump[b[i]].push_back(p[i]);
    }

    FOR(i, 1, n) {
        if (!used[i]) continue;
        for (int x : jump[i]) {
            int j = x + i, cur = 1;
            while (j <= n) {
                if (used[j]) add_edge(i, j, cur);
                j += x;
                ++cur;
            }
            j = i - x, cur = 1;
            while (j >= 1) {
                if (used[j]) add_edge(i, j, cur);
                j -= x;
                ++cur;
            }
        }
    }

    Dijkstra(b[1]);

    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3408 KB Output is correct
2 Correct 2 ms 3408 KB Output is correct
3 Correct 2 ms 3408 KB Output is correct
4 Correct 2 ms 3408 KB Output is correct
5 Correct 2 ms 3408 KB Output is correct
6 Correct 2 ms 3408 KB Output is correct
7 Correct 2 ms 3408 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3408 KB Output is correct
2 Correct 2 ms 3408 KB Output is correct
3 Correct 2 ms 3408 KB Output is correct
4 Correct 2 ms 3408 KB Output is correct
5 Correct 2 ms 3408 KB Output is correct
6 Correct 2 ms 3408 KB Output is correct
7 Correct 2 ms 3408 KB Output is correct
8 Correct 2 ms 3408 KB Output is correct
9 Correct 2 ms 3408 KB Output is correct
10 Correct 2 ms 3664 KB Output is correct
11 Correct 2 ms 3664 KB Output is correct
12 Correct 2 ms 3920 KB Output is correct
13 Correct 5 ms 10068 KB Output is correct
14 Correct 2 ms 3664 KB Output is correct
15 Correct 3 ms 3664 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3408 KB Output is correct
2 Correct 2 ms 3408 KB Output is correct
3 Correct 2 ms 3408 KB Output is correct
4 Correct 2 ms 3576 KB Output is correct
5 Correct 2 ms 3408 KB Output is correct
6 Correct 2 ms 3408 KB Output is correct
7 Correct 2 ms 3408 KB Output is correct
8 Correct 2 ms 3408 KB Output is correct
9 Correct 2 ms 3408 KB Output is correct
10 Correct 2 ms 3664 KB Output is correct
11 Correct 2 ms 3664 KB Output is correct
12 Correct 3 ms 4004 KB Output is correct
13 Correct 6 ms 9920 KB Output is correct
14 Correct 2 ms 3664 KB Output is correct
15 Correct 2 ms 3664 KB Output is correct
16 Correct 2 ms 3664 KB Output is correct
17 Correct 3 ms 3920 KB Output is correct
18 Correct 2 ms 3664 KB Output is correct
19 Correct 2 ms 3664 KB Output is correct
20 Correct 92 ms 67880 KB Output is correct
21 Correct 2 ms 3664 KB Output is correct
22 Correct 2 ms 3664 KB Output is correct
23 Correct 2 ms 3664 KB Output is correct
24 Correct 2 ms 3664 KB Output is correct
25 Correct 2 ms 3664 KB Output is correct
26 Correct 6 ms 9928 KB Output is correct
27 Correct 5 ms 6860 KB Output is correct
28 Correct 3 ms 3920 KB Output is correct
29 Correct 2 ms 3664 KB Output is correct
30 Correct 3 ms 3408 KB Output is correct
31 Correct 2 ms 3424 KB Output is correct
32 Correct 2 ms 3408 KB Output is correct
33 Correct 2 ms 3664 KB Output is correct
34 Correct 2 ms 3560 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3408 KB Output is correct
2 Correct 2 ms 3408 KB Output is correct
3 Correct 2 ms 3408 KB Output is correct
4 Correct 2 ms 3408 KB Output is correct
5 Correct 2 ms 3592 KB Output is correct
6 Correct 2 ms 3408 KB Output is correct
7 Correct 1 ms 3408 KB Output is correct
8 Correct 2 ms 3576 KB Output is correct
9 Correct 2 ms 3576 KB Output is correct
10 Correct 2 ms 3664 KB Output is correct
11 Correct 2 ms 3832 KB Output is correct
12 Correct 2 ms 3920 KB Output is correct
13 Correct 6 ms 9920 KB Output is correct
14 Correct 2 ms 3664 KB Output is correct
15 Correct 2 ms 3664 KB Output is correct
16 Correct 2 ms 3664 KB Output is correct
17 Correct 3 ms 3920 KB Output is correct
18 Correct 2 ms 3664 KB Output is correct
19 Correct 2 ms 3664 KB Output is correct
20 Correct 84 ms 67724 KB Output is correct
21 Correct 3 ms 3664 KB Output is correct
22 Correct 2 ms 3664 KB Output is correct
23 Correct 2 ms 3664 KB Output is correct
24 Correct 2 ms 3664 KB Output is correct
25 Correct 3 ms 3664 KB Output is correct
26 Correct 8 ms 9928 KB Output is correct
27 Correct 6 ms 6860 KB Output is correct
28 Correct 3 ms 3920 KB Output is correct
29 Correct 2 ms 3664 KB Output is correct
30 Correct 3 ms 3408 KB Output is correct
31 Correct 2 ms 3408 KB Output is correct
32 Correct 2 ms 3408 KB Output is correct
33 Correct 2 ms 3664 KB Output is correct
34 Correct 2 ms 3664 KB Output is correct
35 Correct 9 ms 6736 KB Output is correct
36 Correct 3 ms 3932 KB Output is correct
37 Correct 12 ms 9808 KB Output is correct
38 Correct 12 ms 8708 KB Output is correct
39 Correct 12 ms 9040 KB Output is correct
40 Correct 13 ms 8784 KB Output is correct
41 Correct 12 ms 8528 KB Output is correct
42 Correct 70 ms 71640 KB Output is correct
43 Correct 55 ms 38852 KB Output is correct
44 Runtime error 266 ms 262144 KB Execution killed with signal 9
45 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3408 KB Output is correct
2 Correct 2 ms 3408 KB Output is correct
3 Correct 3 ms 3408 KB Output is correct
4 Correct 2 ms 3408 KB Output is correct
5 Correct 2 ms 3408 KB Output is correct
6 Correct 1 ms 3408 KB Output is correct
7 Correct 2 ms 3408 KB Output is correct
8 Correct 2 ms 3408 KB Output is correct
9 Correct 2 ms 3408 KB Output is correct
10 Correct 2 ms 3664 KB Output is correct
11 Correct 3 ms 3664 KB Output is correct
12 Correct 3 ms 3920 KB Output is correct
13 Correct 6 ms 9920 KB Output is correct
14 Correct 2 ms 3664 KB Output is correct
15 Correct 2 ms 3664 KB Output is correct
16 Correct 2 ms 3740 KB Output is correct
17 Correct 3 ms 3920 KB Output is correct
18 Correct 2 ms 3664 KB Output is correct
19 Correct 2 ms 3664 KB Output is correct
20 Correct 89 ms 67844 KB Output is correct
21 Correct 2 ms 3664 KB Output is correct
22 Correct 2 ms 3664 KB Output is correct
23 Correct 2 ms 3664 KB Output is correct
24 Correct 3 ms 3664 KB Output is correct
25 Correct 2 ms 3664 KB Output is correct
26 Correct 6 ms 10096 KB Output is correct
27 Correct 5 ms 7028 KB Output is correct
28 Correct 3 ms 3920 KB Output is correct
29 Correct 2 ms 3664 KB Output is correct
30 Correct 2 ms 3408 KB Output is correct
31 Correct 2 ms 3408 KB Output is correct
32 Correct 2 ms 3408 KB Output is correct
33 Correct 3 ms 3664 KB Output is correct
34 Correct 2 ms 3664 KB Output is correct
35 Correct 9 ms 6748 KB Output is correct
36 Correct 3 ms 3920 KB Output is correct
37 Correct 12 ms 9976 KB Output is correct
38 Correct 15 ms 8528 KB Output is correct
39 Correct 12 ms 9040 KB Output is correct
40 Correct 12 ms 8784 KB Output is correct
41 Correct 12 ms 8528 KB Output is correct
42 Correct 66 ms 71584 KB Output is correct
43 Correct 46 ms 38904 KB Output is correct
44 Runtime error 277 ms 262144 KB Execution killed with signal 9
45 Halted 0 ms 0 KB -