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답안 #111235

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
111235 2019-05-14T11:40:49 Z TAISA_ Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 587 ms 154328 KB 
#include <bits/stdc++.h>
#define all(vec) vec.begin(), vec.end()
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
constexpr ll INF = (1LL << 30) - 1LL;
constexpr ll LINF = (1LL << 60) - 1LL;
constexpr double eps = 1e-9;
constexpr ll MOD = 1000000007LL;
template <typename T>
bool chmin(T& a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
};
template <typename T>
bool chmax(T& a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
};
template <typename T>
ostream& operator<<(ostream& os, vector<T> v) {
    for(int i = 0; i < v.size(); i++) {
        os << v[i] << (i + 1 == v.size() ? "\n" : " ");
    }
    return os;
}
template <typename T>
vector<T> make_v(size_t a) {
    return vector<T>(a);
}
template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
    return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}
template <typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(T& t, const V& v) {
    t = v;
}
template <typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(T& t, const V& v) {
    for(auto& e : t) {
        fill_v(e, v);
    }
};
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n, m;
    cin >> n >> m;
    struct edge {
        ll to, cost;
    };
    vector<vector<edge>> G(n);
    vector<set<int>> st(n);
    int s, g;
    for(int i = 0; i < m; i++) {
        int b, p;
        cin >> b >> p;
        if(i == 0) {
            s = b;
        } else if(i == 1) {
            g = b;
            continue;
        }
        int k = 0;
        if(st[b].count(p)) {
            continue;
        }
        for(int j = b + p; j < n; j += p) {
            k++;
            G[b].push_back({j, k});
            if(st[j].count(p)) {
                break;
            }
        }
        k = 0;
        for(int j = b - p; j >= 0; j -= p) {
            k++;
            G[b].push_back({j, k});
            if(st[j].count(p)) {
                break;
            }
        }
        st[b].insert(p);
    }
    priority_queue<P, vector<P>, greater<P>> q;
    vector<ll> d(n, LINF);
    d[s] = 0;
    q.push(P(0, s));
    while(!q.empty()) {
        int v = q.top().second;
        q.pop();
        for(auto e : G[v]) {
            if(d[e.to] > d[v] + e.cost) {
                d[e.to] = d[v] + e.cost;
                q.push(P(d[e.to], e.to));
            }
        }
    }
    if(d[g] == LINF) {
        cout << -1 << endl;
    } else {
        cout << d[g] << endl;
    }
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:94:8: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized]
     d[s] = 0;
        ^
skyscraper.cpp:106:11: warning: 'g' may be used uninitialized in this function [-Wmaybe-uninitialized]
     if(d[g] == LINF) {
           ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 356 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 640 KB Output is correct
15 Correct 4 ms 512 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 4 ms 896 KB Output is correct
18 Correct 3 ms 640 KB Output is correct
19 Correct 3 ms 640 KB Output is correct
20 Correct 7 ms 1280 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 3 ms 640 KB Output is correct
23 Correct 3 ms 640 KB Output is correct
24 Correct 5 ms 896 KB Output is correct
25 Correct 5 ms 896 KB Output is correct
26 Correct 4 ms 768 KB Output is correct
27 Correct 4 ms 640 KB Output is correct
28 Correct 4 ms 1024 KB Output is correct
29 Correct 8 ms 2212 KB Output is correct
30 Correct 6 ms 1152 KB Output is correct
31 Correct 6 ms 1380 KB Output is correct
32 Correct 4 ms 1152 KB Output is correct
33 Correct 12 ms 3316 KB Output is correct
34 Correct 10 ms 3388 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 512 KB Output is correct
15 Correct 3 ms 640 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 5 ms 896 KB Output is correct
18 Correct 4 ms 640 KB Output is correct
19 Correct 3 ms 640 KB Output is correct
20 Correct 4 ms 1280 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 2 ms 640 KB Output is correct
23 Correct 4 ms 640 KB Output is correct
24 Correct 4 ms 896 KB Output is correct
25 Correct 3 ms 768 KB Output is correct
26 Correct 3 ms 768 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 4 ms 1024 KB Output is correct
29 Correct 7 ms 2176 KB Output is correct
30 Correct 4 ms 1152 KB Output is correct
31 Correct 5 ms 1408 KB Output is correct
32 Correct 6 ms 1152 KB Output is correct
33 Correct 10 ms 3324 KB Output is correct
34 Correct 10 ms 3388 KB Output is correct
35 Correct 27 ms 4216 KB Output is correct
36 Correct 6 ms 1024 KB Output is correct
37 Correct 40 ms 6392 KB Output is correct
38 Correct 33 ms 6236 KB Output is correct
39 Correct 36 ms 6392 KB Output is correct
40 Correct 37 ms 6264 KB Output is correct
41 Correct 43 ms 6236 KB Output is correct
42 Correct 7 ms 1024 KB Output is correct
43 Correct 9 ms 1024 KB Output is correct
44 Correct 9 ms 1664 KB Output is correct
45 Correct 50 ms 11124 KB Output is correct
46 Correct 52 ms 10996 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 388 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 4 ms 640 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 4 ms 640 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 5 ms 896 KB Output is correct
18 Correct 4 ms 640 KB Output is correct
19 Correct 3 ms 640 KB Output is correct
20 Correct 4 ms 1408 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 2 ms 640 KB Output is correct
23 Correct 3 ms 640 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 4 ms 768 KB Output is correct
26 Correct 3 ms 896 KB Output is correct
27 Correct 3 ms 768 KB Output is correct
28 Correct 4 ms 1024 KB Output is correct
29 Correct 7 ms 2176 KB Output is correct
30 Correct 4 ms 1152 KB Output is correct
31 Correct 6 ms 1408 KB Output is correct
32 Correct 4 ms 1152 KB Output is correct
33 Correct 12 ms 3376 KB Output is correct
34 Correct 13 ms 3388 KB Output is correct
35 Correct 29 ms 4240 KB Output is correct
36 Correct 8 ms 1024 KB Output is correct
37 Correct 29 ms 6276 KB Output is correct
38 Correct 39 ms 6264 KB Output is correct
39 Correct 33 ms 6392 KB Output is correct
40 Correct 42 ms 6264 KB Output is correct
41 Correct 39 ms 6264 KB Output is correct
42 Correct 11 ms 1024 KB Output is correct
43 Correct 8 ms 896 KB Output is correct
44 Correct 9 ms 1664 KB Output is correct
45 Correct 49 ms 11176 KB Output is correct
46 Correct 46 ms 10996 KB Output is correct
47 Correct 95 ms 21880 KB Output is correct
48 Correct 41 ms 7808 KB Output is correct
49 Correct 32 ms 6272 KB Output is correct
50 Correct 18 ms 6164 KB Output is correct
51 Correct 83 ms 12776 KB Output is correct
52 Correct 69 ms 13104 KB Output is correct
53 Correct 21 ms 6000 KB Output is correct
54 Correct 6 ms 3328 KB Output is correct
55 Correct 8 ms 4088 KB Output is correct
56 Correct 66 ms 17312 KB Output is correct
57 Correct 117 ms 38284 KB Output is correct
58 Correct 12 ms 4324 KB Output is correct
59 Correct 14 ms 5496 KB Output is correct
60 Correct 16 ms 6408 KB Output is correct
61 Correct 16 ms 5624 KB Output is correct
62 Correct 48 ms 13540 KB Output is correct
63 Correct 189 ms 52240 KB Output is correct
64 Correct 254 ms 72368 KB Output is correct
65 Correct 346 ms 96364 KB Output is correct
66 Correct 569 ms 154328 KB Output is correct
67 Correct 587 ms 153888 KB Output is correct