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Submission #839356

# Submission time Handle Problem Language Result Execution time Memory
839356 2023-08-29T19:47:23 Z drkarlicio2107 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 431 ms 12296 KB 
#include <bits/stdc++.h>
using namespace std;
int n, m; const int SQ=10;
vector <int> pos [30010];
pair <int, int> l [30010];
int sol [30010][SQ+10];
int bio [30010][SQ+10];
typedef pair < int, pair <int, int> > byk;
priority_queue < byk, vector <byk>, greater <byk> > s;
int main(){
    ios_base::sync_with_stdio (false);
    cin.tie (0);
    cin >> n >> m;
    for (int i=0; i<m; i++) cin >> l [i].first >> l [i].second;
    for (int i=0; i<m; i++) pos [l [i].first].push_back (l [i].second);
    for (int i=0; i<n; i++){
        for (int j=0; j<SQ+1; j++){
            sol [i][j]=1e9;
            s.push ({1e9, {i, j}});
        }
    }
    s.push ({0, {l [0].first, l [0].second}});
    sol [l [0].first][l [0].second]=0;
    while (!s.empty ()){
        byk tp = s.top();
        int res=tp.first;
        if (res==1e9) break;
        int x=tp.second.first;
        int p=tp.second.second;
        s.pop();
        //cout << res << " " << x << " " << p << endl;
        bio [x][p]=1;
        //cout << res << " " << x << " " << p << endl;
        int siz = pos[x].size();
        for (int i=0; i<siz; i++){
            int po=pos [x][i];
            if (po>SQ){
                for (int j=x+po; j<n; j+=po){
                    if (sol [j][0]<=(j-x)/po+res || bio [j][0]) continue;
                    s.push ({sol [j][0]=(j-x)/po+res, {j, 0}});
                }
                for (int j=x-po; j>=0; j-=po){
                    if (sol [j][0]<=(x-j)/po+res  || bio [j][0]) continue;
                    s.push ({sol [j][0]=(x-j)/po+res, {j, 0}});
                }
            }
            else {
                if (x-po>=0){
                    if (sol [x-po][po]>1+res && !bio [x-po][po]) {
                        sol [x-po][po]=1+res;
                        s.push ({sol [x-po][po], {x-po, po}});
                    }
                }
                if (x+po<n){
                    if (sol [x+po][po]>1+res && !bio [x+po][po]) {
                        sol [x+po][po]=1+res;
                        s.push ({sol [x+po][po], {x+po, po}});
                    }
                }
            }
        }
        if (x-p>=0 && p!=0){
            if (sol [x-p][p]>1+res && !bio [x-p][p]) {
                sol [x-p][p]=1+res;
                s.push ({sol [x-p][p], {x-p, p}});
            }
        }
        if (x+p<n && p!=0){
            if (sol [x+p][p]>1+res && !bio [x+p][p]) {
                sol [x+p][p]=1+res;
                s.push ({sol [x+p][p], {x+p, p}});
            }
        }
    }
    int so=1e9;
    for (int i=0; i<SQ+1; i++) so=min (so,  sol [l [1].first][i]);
    if (so==1e9) cout << -1;
    else cout << so;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1028 KB Output is correct
2 Correct 1 ms 1032 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1032 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 2 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1036 KB Output is correct
15 Correct 1 ms 1036 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 1032 KB Output is correct
8 Correct 1 ms 1032 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1044 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1164 KB Output is correct
17 Correct 2 ms 1428 KB Output is correct
18 Correct 2 ms 1684 KB Output is correct
19 Correct 2 ms 1624 KB Output is correct
20 Correct 2 ms 1744 KB Output is correct
21 Correct 1 ms 1236 KB Output is correct
22 Correct 1 ms 1616 KB Output is correct
23 Correct 2 ms 1684 KB Output is correct
24 Correct 3 ms 1748 KB Output is correct
25 Correct 2 ms 1808 KB Output is correct
26 Correct 2 ms 1748 KB Output is correct
27 Correct 2 ms 1684 KB Output is correct
28 Correct 3 ms 1804 KB Output is correct
29 Correct 4 ms 1872 KB Output is correct
30 Correct 2 ms 1744 KB Output is correct
31 Correct 2 ms 1748 KB Output is correct
32 Correct 2 ms 1744 KB Output is correct
33 Correct 9 ms 1872 KB Output is correct
34 Correct 9 ms 1876 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 1032 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 1028 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 1032 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1040 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1160 KB Output is correct
17 Correct 3 ms 1428 KB Output is correct
18 Correct 1 ms 1684 KB Output is correct
19 Correct 1 ms 1684 KB Output is correct
20 Correct 2 ms 1744 KB Output is correct
21 Correct 1 ms 1236 KB Output is correct
22 Correct 2 ms 1684 KB Output is correct
23 Correct 2 ms 1684 KB Output is correct
24 Correct 3 ms 1748 KB Output is correct
25 Correct 3 ms 1872 KB Output is correct
26 Correct 2 ms 1748 KB Output is correct
27 Correct 2 ms 1748 KB Output is correct
28 Correct 3 ms 1744 KB Output is correct
29 Correct 4 ms 1744 KB Output is correct
30 Correct 2 ms 1744 KB Output is correct
31 Correct 2 ms 1764 KB Output is correct
32 Correct 2 ms 1788 KB Output is correct
33 Correct 9 ms 1880 KB Output is correct
34 Correct 10 ms 1876 KB Output is correct
35 Correct 13 ms 2196 KB Output is correct
36 Correct 3 ms 1556 KB Output is correct
37 Correct 17 ms 2180 KB Output is correct
38 Correct 17 ms 2388 KB Output is correct
39 Correct 17 ms 2308 KB Output is correct
40 Correct 17 ms 2388 KB Output is correct
41 Correct 20 ms 2388 KB Output is correct
42 Correct 5 ms 2320 KB Output is correct
43 Correct 5 ms 2320 KB Output is correct
44 Correct 5 ms 2336 KB Output is correct
45 Correct 26 ms 2384 KB Output is correct
46 Correct 26 ms 2316 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1036 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1108 KB Output is correct
12 Correct 1 ms 1040 KB Output is correct
13 Correct 1 ms 1040 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1164 KB Output is correct
17 Correct 3 ms 1428 KB Output is correct
18 Correct 1 ms 1684 KB Output is correct
19 Correct 1 ms 1684 KB Output is correct
20 Correct 2 ms 1744 KB Output is correct
21 Correct 1 ms 1172 KB Output is correct
22 Correct 1 ms 1684 KB Output is correct
23 Correct 2 ms 1680 KB Output is correct
24 Correct 3 ms 1748 KB Output is correct
25 Correct 2 ms 1744 KB Output is correct
26 Correct 2 ms 1748 KB Output is correct
27 Correct 2 ms 1684 KB Output is correct
28 Correct 3 ms 1744 KB Output is correct
29 Correct 4 ms 1744 KB Output is correct
30 Correct 2 ms 1744 KB Output is correct
31 Correct 2 ms 1796 KB Output is correct
32 Correct 2 ms 1744 KB Output is correct
33 Correct 10 ms 1872 KB Output is correct
34 Correct 9 ms 1812 KB Output is correct
35 Correct 12 ms 2196 KB Output is correct
36 Correct 3 ms 1556 KB Output is correct
37 Correct 17 ms 2256 KB Output is correct
38 Correct 17 ms 2392 KB Output is correct
39 Correct 17 ms 2388 KB Output is correct
40 Correct 17 ms 2388 KB Output is correct
41 Correct 16 ms 2324 KB Output is correct
42 Correct 5 ms 2320 KB Output is correct
43 Correct 5 ms 2320 KB Output is correct
44 Correct 4 ms 2304 KB Output is correct
45 Correct 26 ms 2280 KB Output is correct
46 Correct 26 ms 2340 KB Output is correct
47 Correct 67 ms 5832 KB Output is correct
48 Correct 10 ms 6660 KB Output is correct
49 Correct 12 ms 10052 KB Output is correct
50 Correct 11 ms 9804 KB Output is correct
51 Correct 53 ms 11004 KB Output is correct
52 Correct 46 ms 11072 KB Output is correct
53 Correct 22 ms 10640 KB Output is correct
54 Correct 11 ms 9724 KB Output is correct
55 Correct 12 ms 9720 KB Output is correct
56 Correct 18 ms 10892 KB Output is correct
57 Correct 198 ms 11120 KB Output is correct
58 Correct 20 ms 10240 KB Output is correct
59 Correct 24 ms 10212 KB Output is correct
60 Correct 25 ms 10176 KB Output is correct
61 Correct 23 ms 10152 KB Output is correct
62 Correct 40 ms 10856 KB Output is correct
63 Correct 53 ms 11296 KB Output is correct
64 Correct 55 ms 11388 KB Output is correct
65 Correct 74 ms 11664 KB Output is correct
66 Correct 431 ms 12196 KB Output is correct
67 Correct 424 ms 12296 KB Output is correct