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Submission #853149

# Submission time Handle Problem Language Result Execution time Memory
853149 2023-09-23T13:32:36 Z aymanrs Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 977 ms 99920 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
void solve(){
    short n, m;
    cin >> n >> m;
    short b[m], p;
    vector<short> h[n], sm[n];
    const short s = 800;
    for(int i = 0;i < m;i++){
        cin >> b[i] >> p;
        if(p>=s) h[b[i]].push_back(p);
        else sm[b[i]].push_back(p);
    }
    int d[n][s];
    bitset<s> v[n];
    for(int i = 0;i < n;i++) for(int j = 0;j < s;j++) d[i][j] = INT_MAX, v[i][j] = false;
    d[b[0]][0] = 0;
    priority_queue<pair<int, pair<short, short>>,vector<pair<int, pair<short, short>>>, greater<pair<int, pair<short, short>>>> q;
    q.push({0, {b[0], 0}});
    while(!q.empty()){
        short wi = q.top().second.first;
        short po = q.top().second.second;
        if(v[wi][po]) {
            q.pop();
            continue;
        }
        if(wi == b[1]){
            cout << d[wi][po] << '\n';
            return;
        }
        v[wi][po] = true;
        q.pop();
        if(po){
            if(wi+po < n && d[wi+po][po] > 1+d[wi][po]){
                d[wi+po][po] = 1+d[wi][po];
                q.push({d[wi+po][po], {wi+po, po}});
                if(1+d[wi][po] < d[wi+po][0]){
                    d[wi+po][0] = 1+d[wi][po];
                    q.push({d[wi+po][0], {wi+po, 0}});
                }
            }
            if(wi-po >= 0 && d[wi-po][po] > 1+d[wi][po]){
                d[wi-po][po] = 1+d[wi][po];
                q.push({d[wi-po][po], {wi-po, po}});
                if(1+d[wi][po] < d[wi-po][0]){
                    d[wi-po][0] = 1+d[wi][po];
                    q.push({d[wi-po][0], {wi-po, 0}});
                }
            }
            continue;
        }
        #pragma GCC ivdep
        for(int u : h[wi]){
            for(int j = wi+u,c=1;j < n;j += u,c++) {
                if(d[j][0] > d[wi][0]+c){
                    d[j][0] = d[wi][0]+c;
                    q.push({d[j][0], {j, 0}});
                }
            }
            for(int j = wi-u,c=1;j >= 0;j -= u,c++) {
                if(d[j][0] > d[wi][0]+c){
                    d[j][0] = d[wi][0]+c;
                    q.push({d[j][0], {j, 0}});
                }
            }
        }
        #pragma GCC ivdep
        for(int po : sm[wi]){
            if(v[wi][po]) continue;
            d[wi][po] = d[wi][0];
            if(wi+po < n && d[wi+po][po] > 1+d[wi][po]){
                d[wi+po][po] = 1+d[wi][po];
                q.push({d[wi+po][po], {wi+po, po}});
                if(1+d[wi][po] < d[wi+po][0]){
                    d[wi+po][0] = 1+d[wi][po];
                    q.push({d[wi+po][0], {wi+po, 0}});
                }
            }
            if(wi-po >= 0 && d[wi-po][po] > 1+d[wi][po]){
                d[wi-po][po] = 1+d[wi][po];
                q.push({d[wi-po][po], {wi-po, po}});
                if(1+d[wi][po] < d[wi-po][0]){
                    d[wi-po][0] = 1+d[wi][po];
                    q.push({d[wi-po][0], {wi-po, 0}});
                }
            }
        }
    }
    cout << "-1\n";
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    solve();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 800 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 3 ms 2908 KB Output is correct
18 Correct 5 ms 5980 KB Output is correct
19 Correct 6 ms 7004 KB Output is correct
20 Correct 6 ms 7004 KB Output is correct
21 Correct 2 ms 1628 KB Output is correct
22 Correct 6 ms 6236 KB Output is correct
23 Correct 6 ms 5724 KB Output is correct
24 Correct 9 ms 6748 KB Output is correct
25 Correct 7 ms 7004 KB Output is correct
26 Correct 7 ms 7004 KB Output is correct
27 Correct 7 ms 7004 KB Output is correct
28 Correct 7 ms 6864 KB Output is correct
29 Correct 11 ms 6948 KB Output is correct
30 Correct 8 ms 7004 KB Output is correct
31 Correct 10 ms 7004 KB Output is correct
32 Correct 8 ms 7004 KB Output is correct
33 Correct 17 ms 7004 KB Output is correct
34 Correct 14 ms 7004 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 3 ms 2908 KB Output is correct
18 Correct 6 ms 5980 KB Output is correct
19 Correct 6 ms 7004 KB Output is correct
20 Correct 7 ms 6996 KB Output is correct
21 Correct 2 ms 1880 KB Output is correct
22 Correct 7 ms 6568 KB Output is correct
23 Correct 6 ms 5720 KB Output is correct
24 Correct 7 ms 6748 KB Output is correct
25 Correct 7 ms 7004 KB Output is correct
26 Correct 8 ms 7004 KB Output is correct
27 Correct 7 ms 7020 KB Output is correct
28 Correct 8 ms 7004 KB Output is correct
29 Correct 11 ms 7004 KB Output is correct
30 Correct 7 ms 7004 KB Output is correct
31 Correct 9 ms 7004 KB Output is correct
32 Correct 10 ms 7004 KB Output is correct
33 Correct 17 ms 7004 KB Output is correct
34 Correct 13 ms 7000 KB Output is correct
35 Correct 14 ms 5468 KB Output is correct
36 Correct 5 ms 4112 KB Output is correct
37 Correct 12 ms 7236 KB Output is correct
38 Correct 12 ms 7256 KB Output is correct
39 Correct 11 ms 7004 KB Output is correct
40 Correct 10 ms 7256 KB Output is correct
41 Correct 10 ms 7260 KB Output is correct
42 Correct 9 ms 7004 KB Output is correct
43 Correct 9 ms 7004 KB Output is correct
44 Correct 9 ms 7004 KB Output is correct
45 Correct 66 ms 7516 KB Output is correct
46 Correct 39 ms 7512 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 1096 KB Output is correct
17 Correct 3 ms 2908 KB Output is correct
18 Correct 6 ms 6184 KB Output is correct
19 Correct 6 ms 7004 KB Output is correct
20 Correct 7 ms 7004 KB Output is correct
21 Correct 2 ms 1628 KB Output is correct
22 Correct 6 ms 6236 KB Output is correct
23 Correct 6 ms 5724 KB Output is correct
24 Correct 7 ms 6556 KB Output is correct
25 Correct 7 ms 7004 KB Output is correct
26 Correct 8 ms 7004 KB Output is correct
27 Correct 7 ms 7004 KB Output is correct
28 Correct 7 ms 7004 KB Output is correct
29 Correct 13 ms 7000 KB Output is correct
30 Correct 8 ms 7004 KB Output is correct
31 Correct 9 ms 7000 KB Output is correct
32 Correct 9 ms 7004 KB Output is correct
33 Correct 17 ms 7000 KB Output is correct
34 Correct 12 ms 7004 KB Output is correct
35 Correct 9 ms 5468 KB Output is correct
36 Correct 4 ms 3932 KB Output is correct
37 Correct 10 ms 7240 KB Output is correct
38 Correct 12 ms 7256 KB Output is correct
39 Correct 10 ms 7260 KB Output is correct
40 Correct 10 ms 7248 KB Output is correct
41 Correct 12 ms 7148 KB Output is correct
42 Correct 10 ms 7004 KB Output is correct
43 Correct 11 ms 7004 KB Output is correct
44 Correct 9 ms 7000 KB Output is correct
45 Correct 64 ms 7516 KB Output is correct
46 Correct 41 ms 7516 KB Output is correct
47 Correct 49 ms 41816 KB Output is correct
48 Correct 94 ms 77100 KB Output is correct
49 Correct 93 ms 84164 KB Output is correct
50 Correct 92 ms 92368 KB Output is correct
51 Correct 110 ms 99552 KB Output is correct
52 Correct 116 ms 99556 KB Output is correct
53 Correct 108 ms 99476 KB Output is correct
54 Correct 99 ms 98820 KB Output is correct
55 Correct 100 ms 98816 KB Output is correct
56 Correct 105 ms 99584 KB Output is correct
57 Correct 95 ms 98892 KB Output is correct
58 Correct 101 ms 99016 KB Output is correct
59 Correct 107 ms 99012 KB Output is correct
60 Correct 109 ms 98920 KB Output is correct
61 Correct 103 ms 98772 KB Output is correct
62 Correct 151 ms 99920 KB Output is correct
63 Correct 603 ms 99284 KB Output is correct
64 Correct 662 ms 99248 KB Output is correct
65 Correct 858 ms 99820 KB Output is correct
66 Correct 977 ms 99344 KB Output is correct
67 Correct 556 ms 99348 KB Output is correct