oj.uz

답안 #396239

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
396239 2021-04-29T15:26:29 Z SavicS Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 249 ms 70596 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ff(i,a,b) for(int i=a;i<=b;i++)
#define fb(i,b,a) for(int i=b;i>=a;i--)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 100005;
const int inf = 1e9 + 5;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

int n, m;

set<int> skok[maxn];
vector<pii> g[maxn];

bool pripada(int X) {
    return (X >= 0 && X < n);
}

ll dist[maxn];
void dij(int s) {
    ff(i,0,n - 1)dist[i] = inf;
    priority_queue<pii, vector<pii>, greater<pii>> pq;

    pq.push({dist[s] = 0, s});
    while(!pq.empty()) {
        pii v = pq.top();
        pq.pop();
        if(dist[v.se] < v.fi)continue;
        for(auto c : g[v.se]) {
            int u = c.fi;
            int w = c.se;
            if(dist[u] > w + v.fi) {
                pq.push({dist[u] = w + v.fi, u});
            }
        }
    }
}


int main() 
{
    ios::sync_with_stdio(false);
    cout.tie(nullptr);
    cin.tie(nullptr);
    cin >> n >> m;

    int start = 0, end = 0;
    ff(i,0,m - 1) {
        int X, Y;
        cin >> X >> Y;
        if(i != 1)skok[X].insert(Y);
        if(i == 0)start = X;
        if(i == 1)end = X;
    }

    ff(i,0,n - 1) {
        for(auto c : skok[i]) {

            int j = 1;
            while(1) {
                int nw = i + j * c;
                if(!pripada(nw))break;

                g[i].pb({nw, j});
                if(skok[nw].count(c))break;
                j += 1;
            }

        }
    }

    ff(i,0,n - 1) {
        for(auto c : skok[i]) {

            int j = 1;
            while(1) {
                int nw = i - j * c;
                if(!pripada(nw))break;

                g[i].pb({nw, j});
                if(skok[nw].count(c))break;
                j += 1;
            }

        }
    }

    dij(start);
    cout << (dist[end] == inf ? -1 : dist[end]) << endl;

    return 0;
}
/**

5 3
0 2
1 1
4 1

// probati bojenje sahovski ili slicno

**/

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7244 KB Output is correct
2 Correct 6 ms 7324 KB Output is correct
3 Correct 5 ms 7364 KB Output is correct
4 Correct 6 ms 7264 KB Output is correct
5 Correct 5 ms 7364 KB Output is correct
6 Correct 10 ms 7244 KB Output is correct
7 Correct 5 ms 7372 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 7244 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7248 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 6 ms 7368 KB Output is correct
6 Correct 6 ms 7328 KB Output is correct
7 Correct 6 ms 7364 KB Output is correct
8 Correct 6 ms 7372 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 7 ms 7376 KB Output is correct
11 Correct 7 ms 7520 KB Output is correct
12 Correct 6 ms 7372 KB Output is correct
13 Correct 5 ms 7372 KB Output is correct
14 Correct 7 ms 7500 KB Output is correct
15 Correct 6 ms 7500 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7244 KB Output is correct
2 Correct 5 ms 7368 KB Output is correct
3 Correct 5 ms 7244 KB Output is correct
4 Correct 6 ms 7276 KB Output is correct
5 Correct 5 ms 7252 KB Output is correct
6 Correct 5 ms 7244 KB Output is correct
7 Correct 5 ms 7244 KB Output is correct
8 Correct 5 ms 7364 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 6 ms 7368 KB Output is correct
11 Correct 6 ms 7500 KB Output is correct
12 Correct 7 ms 7376 KB Output is correct
13 Correct 6 ms 7376 KB Output is correct
14 Correct 6 ms 7508 KB Output is correct
15 Correct 6 ms 7436 KB Output is correct
16 Correct 7 ms 7372 KB Output is correct
17 Correct 7 ms 7628 KB Output is correct
18 Correct 6 ms 7416 KB Output is correct
19 Correct 5 ms 7372 KB Output is correct
20 Correct 6 ms 7500 KB Output is correct
21 Correct 6 ms 7372 KB Output is correct
22 Correct 5 ms 7372 KB Output is correct
23 Correct 6 ms 7488 KB Output is correct
24 Correct 8 ms 7640 KB Output is correct
25 Correct 6 ms 7500 KB Output is correct
26 Correct 6 ms 7500 KB Output is correct
27 Correct 7 ms 7504 KB Output is correct
28 Correct 7 ms 7640 KB Output is correct
29 Correct 10 ms 8136 KB Output is correct
30 Correct 7 ms 7628 KB Output is correct
31 Correct 7 ms 7756 KB Output is correct
32 Correct 6 ms 7704 KB Output is correct
33 Correct 11 ms 8908 KB Output is correct
34 Correct 12 ms 8908 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7244 KB Output is correct
2 Correct 6 ms 7364 KB Output is correct
3 Correct 6 ms 7372 KB Output is correct
4 Correct 6 ms 7244 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7244 KB Output is correct
7 Correct 6 ms 7264 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 6 ms 7372 KB Output is correct
10 Correct 5 ms 7372 KB Output is correct
11 Correct 6 ms 7500 KB Output is correct
12 Correct 6 ms 7376 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 6 ms 7504 KB Output is correct
15 Correct 7 ms 7500 KB Output is correct
16 Correct 6 ms 7368 KB Output is correct
17 Correct 8 ms 7628 KB Output is correct
18 Correct 6 ms 7500 KB Output is correct
19 Correct 5 ms 7372 KB Output is correct
20 Correct 6 ms 7444 KB Output is correct
21 Correct 5 ms 7372 KB Output is correct
22 Correct 6 ms 7372 KB Output is correct
23 Correct 7 ms 7500 KB Output is correct
24 Correct 7 ms 7628 KB Output is correct
25 Correct 6 ms 7500 KB Output is correct
26 Correct 6 ms 7516 KB Output is correct
27 Correct 8 ms 7400 KB Output is correct
28 Correct 7 ms 7628 KB Output is correct
29 Correct 9 ms 8232 KB Output is correct
30 Correct 9 ms 7628 KB Output is correct
31 Correct 7 ms 7756 KB Output is correct
32 Correct 7 ms 7628 KB Output is correct
33 Correct 11 ms 8908 KB Output is correct
34 Correct 11 ms 8912 KB Output is correct
35 Correct 22 ms 9820 KB Output is correct
36 Correct 8 ms 7780 KB Output is correct
37 Correct 24 ms 10436 KB Output is correct
38 Correct 33 ms 10832 KB Output is correct
39 Correct 31 ms 10828 KB Output is correct
40 Correct 35 ms 10812 KB Output is correct
41 Correct 28 ms 10820 KB Output is correct
42 Correct 10 ms 7628 KB Output is correct
43 Correct 10 ms 7628 KB Output is correct
44 Correct 10 ms 7736 KB Output is correct
45 Correct 32 ms 13416 KB Output is correct
46 Correct 33 ms 13448 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7244 KB Output is correct
2 Correct 6 ms 7344 KB Output is correct
3 Correct 6 ms 7308 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7244 KB Output is correct
7 Correct 6 ms 7244 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 6 ms 7372 KB Output is correct
11 Correct 6 ms 7504 KB Output is correct
12 Correct 5 ms 7376 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 6 ms 7500 KB Output is correct
15 Correct 7 ms 7452 KB Output is correct
16 Correct 6 ms 7372 KB Output is correct
17 Correct 7 ms 7628 KB Output is correct
18 Correct 6 ms 7476 KB Output is correct
19 Correct 5 ms 7372 KB Output is correct
20 Correct 6 ms 7512 KB Output is correct
21 Correct 5 ms 7372 KB Output is correct
22 Correct 5 ms 7440 KB Output is correct
23 Correct 6 ms 7504 KB Output is correct
24 Correct 7 ms 7640 KB Output is correct
25 Correct 6 ms 7500 KB Output is correct
26 Correct 6 ms 7500 KB Output is correct
27 Correct 6 ms 7500 KB Output is correct
28 Correct 6 ms 7628 KB Output is correct
29 Correct 8 ms 8140 KB Output is correct
30 Correct 6 ms 7628 KB Output is correct
31 Correct 7 ms 7752 KB Output is correct
32 Correct 6 ms 7628 KB Output is correct
33 Correct 12 ms 8908 KB Output is correct
34 Correct 13 ms 8920 KB Output is correct
35 Correct 23 ms 9764 KB Output is correct
36 Correct 7 ms 7756 KB Output is correct
37 Correct 26 ms 10468 KB Output is correct
38 Correct 29 ms 10836 KB Output is correct
39 Correct 28 ms 10868 KB Output is correct
40 Correct 28 ms 10720 KB Output is correct
41 Correct 28 ms 10820 KB Output is correct
42 Correct 10 ms 7628 KB Output is correct
43 Correct 10 ms 7628 KB Output is correct
44 Correct 10 ms 7640 KB Output is correct
45 Correct 32 ms 13396 KB Output is correct
46 Correct 32 ms 13444 KB Output is correct
47 Correct 54 ms 18068 KB Output is correct
48 Correct 23 ms 11200 KB Output is correct
49 Correct 20 ms 10248 KB Output is correct
50 Correct 16 ms 9940 KB Output is correct
51 Correct 49 ms 13180 KB Output is correct
52 Correct 61 ms 13644 KB Output is correct
53 Correct 22 ms 10056 KB Output is correct
54 Correct 7 ms 7884 KB Output is correct
55 Correct 9 ms 8264 KB Output is correct
56 Correct 19 ms 10108 KB Output is correct
57 Correct 44 ms 16924 KB Output is correct
58 Correct 14 ms 8452 KB Output is correct
59 Correct 15 ms 9160 KB Output is correct
60 Correct 16 ms 9628 KB Output is correct
61 Correct 17 ms 9224 KB Output is correct
62 Correct 34 ms 14184 KB Output is correct
63 Correct 100 ms 31060 KB Output is correct
64 Correct 103 ms 34544 KB Output is correct
65 Correct 135 ms 43932 KB Output is correct
66 Correct 248 ms 70596 KB Output is correct
67 Correct 249 ms 70576 KB Output is correct