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Submission #1031150

# Submission time Handle Problem Language Result Execution time Memory
1031150 2024-07-22T15:34:44 Z _8_8_ Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 256 ms 87632 KB 
#include <bits/stdc++.h>
 
using namespace std;
    
typedef long long ll;
const int  N = 2e6 +12, MOD = (int)1e9+7;

const int M = 3e4 + 21;
int n,m,b[M],ft[M];
vector<pair<int,int>> x[M],g[N];
void add(int v,int u) {
    g[v].push_back({u,1});
    g[u].push_back({v,1});
}
int d[N];
void test() {
    cin >> n >> m;
    for(int i = 0;i < m;i++) {
        int p;
        cin >> b[i] >> p;
        int d = b[i] % p;
        x[p].emplace_back(d,i);
    }
    int it = n - 1;
    int num = 0;
    for(int i = 1;i < n;i++){
        sort(x[i].begin(),x[i].end());
        for(int j = 0;j < (int)x[i].size();j++){
            if(!j || x[i][j].first != x[i][j - 1].first){
                num += (n - x[i][j].first) / i;
            }
        }
    }
    if(num > N){
        cout << -2;
        return;
    }
    for(int i = 1;i < n;i++){
        for(int j = 0;j < (int)x[i].size();j++){
            if(!j || x[i][j].first != x[i][j - 1].first){
                // cout << i << ' ';
                for(int k = x[i][j].first;k < n;k += i){
                    ft[k] = ++it;
                    if(k - i >= 0){
                        add(ft[k - i],ft[k]);
                    }
                    g[ft[k]].push_back({k,0});
                }
            }
            int v = b[x[i][j].second];
            g[v].push_back({ft[v],0});
        }
        // cout << '\n';
    }
    set<pair<int,int>> st;
    for(int i = 0;i <= it;i++){
        d[i] = 1e9;
    }
    st.insert({0,b[0]});
    d[b[0]] = 0;
    while(!st.empty()){
        auto [c,v] = (*st.begin());
        st.erase(st.begin());
        for(auto [to,w]:g[v]){
            if(d[to] > d[v] + w){
                st.erase({d[to],to});
                d[to] = d[v] + w;
                st.insert({d[to],to});
            }
        }
    }
    if(d[b[1]] == 1e9){
        d[b[1]] = -1;
    }
    cout << d[b[1]];
}
int main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int t = 1; 
    // cin >> t;
    while(t--) {
        test();
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 47964 KB Output is correct
2 Correct 21 ms 47968 KB Output is correct
3 Correct 21 ms 48036 KB Output is correct
4 Correct 20 ms 47964 KB Output is correct
5 Correct 22 ms 47960 KB Output is correct
6 Correct 22 ms 47936 KB Output is correct
7 Correct 21 ms 47964 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 47964 KB Output is correct
2 Correct 20 ms 47964 KB Output is correct
3 Correct 23 ms 48004 KB Output is correct
4 Correct 22 ms 47964 KB Output is correct
5 Correct 21 ms 48132 KB Output is correct
6 Correct 21 ms 47964 KB Output is correct
7 Correct 21 ms 47960 KB Output is correct
8 Correct 21 ms 47964 KB Output is correct
9 Correct 21 ms 47964 KB Output is correct
10 Correct 22 ms 48220 KB Output is correct
11 Correct 22 ms 48424 KB Output is correct
12 Correct 22 ms 47952 KB Output is correct
13 Correct 22 ms 48216 KB Output is correct
14 Correct 24 ms 48476 KB Output is correct
15 Correct 23 ms 48476 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 47964 KB Output is correct
2 Correct 22 ms 47964 KB Output is correct
3 Correct 20 ms 47960 KB Output is correct
4 Correct 21 ms 47964 KB Output is correct
5 Correct 24 ms 48052 KB Output is correct
6 Correct 22 ms 47964 KB Output is correct
7 Correct 22 ms 47964 KB Output is correct
8 Correct 21 ms 47964 KB Output is correct
9 Correct 22 ms 47976 KB Output is correct
10 Correct 25 ms 48100 KB Output is correct
11 Correct 23 ms 48220 KB Output is correct
12 Correct 22 ms 47960 KB Output is correct
13 Correct 22 ms 48220 KB Output is correct
14 Correct 24 ms 48476 KB Output is correct
15 Correct 22 ms 48532 KB Output is correct
16 Correct 21 ms 48336 KB Output is correct
17 Correct 26 ms 48732 KB Output is correct
18 Correct 22 ms 48384 KB Output is correct
19 Correct 22 ms 48216 KB Output is correct
20 Correct 22 ms 48172 KB Output is correct
21 Correct 24 ms 48220 KB Output is correct
22 Correct 23 ms 48216 KB Output is correct
23 Correct 22 ms 48472 KB Output is correct
24 Correct 25 ms 48732 KB Output is correct
25 Correct 23 ms 48588 KB Output is correct
26 Correct 22 ms 48356 KB Output is correct
27 Correct 22 ms 48412 KB Output is correct
28 Correct 24 ms 49244 KB Output is correct
29 Correct 31 ms 51184 KB Output is correct
30 Correct 23 ms 48988 KB Output is correct
31 Correct 27 ms 49840 KB Output is correct
32 Correct 25 ms 49236 KB Output is correct
33 Correct 45 ms 54100 KB Output is correct
34 Correct 42 ms 54096 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 47960 KB Output is correct
2 Correct 21 ms 47964 KB Output is correct
3 Correct 23 ms 47872 KB Output is correct
4 Correct 20 ms 47964 KB Output is correct
5 Correct 22 ms 47964 KB Output is correct
6 Correct 21 ms 47964 KB Output is correct
7 Correct 21 ms 47944 KB Output is correct
8 Correct 21 ms 47964 KB Output is correct
9 Correct 22 ms 47964 KB Output is correct
10 Correct 23 ms 48220 KB Output is correct
11 Correct 22 ms 48220 KB Output is correct
12 Correct 21 ms 48212 KB Output is correct
13 Correct 27 ms 48156 KB Output is correct
14 Correct 22 ms 48476 KB Output is correct
15 Correct 23 ms 48476 KB Output is correct
16 Correct 22 ms 48216 KB Output is correct
17 Correct 25 ms 48732 KB Output is correct
18 Correct 21 ms 48476 KB Output is correct
19 Correct 22 ms 48220 KB Output is correct
20 Correct 22 ms 48208 KB Output is correct
21 Correct 22 ms 48216 KB Output is correct
22 Correct 23 ms 48216 KB Output is correct
23 Correct 27 ms 48464 KB Output is correct
24 Correct 26 ms 48732 KB Output is correct
25 Correct 22 ms 48472 KB Output is correct
26 Correct 23 ms 48476 KB Output is correct
27 Correct 25 ms 48380 KB Output is correct
28 Correct 24 ms 49244 KB Output is correct
29 Correct 31 ms 51028 KB Output is correct
30 Correct 24 ms 48952 KB Output is correct
31 Correct 28 ms 49756 KB Output is correct
32 Correct 25 ms 49244 KB Output is correct
33 Correct 50 ms 54104 KB Output is correct
34 Correct 46 ms 54108 KB Output is correct
35 Correct 53 ms 53844 KB Output is correct
36 Correct 27 ms 48984 KB Output is correct
37 Correct 75 ms 58124 KB Output is correct
38 Correct 68 ms 57680 KB Output is correct
39 Correct 76 ms 57680 KB Output is correct
40 Correct 76 ms 57684 KB Output is correct
41 Correct 68 ms 57684 KB Output is correct
42 Correct 25 ms 48980 KB Output is correct
43 Correct 25 ms 48988 KB Output is correct
44 Correct 25 ms 48860 KB Output is correct
45 Correct 137 ms 73812 KB Output is correct
46 Correct 135 ms 73652 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 47960 KB Output is correct
2 Correct 21 ms 47964 KB Output is correct
3 Correct 21 ms 47964 KB Output is correct
4 Correct 24 ms 48220 KB Output is correct
5 Correct 21 ms 47964 KB Output is correct
6 Correct 21 ms 47964 KB Output is correct
7 Correct 22 ms 47964 KB Output is correct
8 Correct 21 ms 47960 KB Output is correct
9 Correct 22 ms 47960 KB Output is correct
10 Correct 22 ms 48220 KB Output is correct
11 Correct 22 ms 48216 KB Output is correct
12 Correct 21 ms 47980 KB Output is correct
13 Correct 21 ms 47964 KB Output is correct
14 Correct 22 ms 48544 KB Output is correct
15 Correct 22 ms 48476 KB Output is correct
16 Correct 22 ms 48348 KB Output is correct
17 Correct 25 ms 48728 KB Output is correct
18 Correct 22 ms 48476 KB Output is correct
19 Correct 22 ms 48220 KB Output is correct
20 Correct 23 ms 48216 KB Output is correct
21 Correct 22 ms 48216 KB Output is correct
22 Correct 23 ms 48220 KB Output is correct
23 Correct 23 ms 48420 KB Output is correct
24 Correct 24 ms 48664 KB Output is correct
25 Correct 26 ms 48540 KB Output is correct
26 Correct 24 ms 48476 KB Output is correct
27 Correct 24 ms 48544 KB Output is correct
28 Correct 26 ms 49244 KB Output is correct
29 Correct 34 ms 51292 KB Output is correct
30 Correct 27 ms 48988 KB Output is correct
31 Correct 28 ms 49752 KB Output is correct
32 Correct 27 ms 49240 KB Output is correct
33 Correct 45 ms 54344 KB Output is correct
34 Correct 45 ms 54104 KB Output is correct
35 Correct 54 ms 53844 KB Output is correct
36 Correct 25 ms 48988 KB Output is correct
37 Correct 84 ms 58128 KB Output is correct
38 Correct 76 ms 57828 KB Output is correct
39 Correct 76 ms 57680 KB Output is correct
40 Correct 69 ms 57680 KB Output is correct
41 Correct 76 ms 57692 KB Output is correct
42 Correct 29 ms 48988 KB Output is correct
43 Correct 26 ms 48988 KB Output is correct
44 Correct 25 ms 48992 KB Output is correct
45 Correct 139 ms 73812 KB Output is correct
46 Correct 138 ms 73828 KB Output is correct
47 Correct 256 ms 87632 KB Output is correct
48 Correct 46 ms 60496 KB Output is correct
49 Correct 47 ms 55892 KB Output is correct
50 Correct 38 ms 55892 KB Output is correct
51 Correct 106 ms 65364 KB Output is correct
52 Correct 116 ms 66688 KB Output is correct
53 Correct 41 ms 53328 KB Output is correct
54 Correct 33 ms 49760 KB Output is correct
55 Correct 27 ms 51032 KB Output is correct
56 Correct 33 ms 51168 KB Output is correct
57 Correct 136 ms 70484 KB Output is correct
58 Correct 37 ms 52296 KB Output is correct
59 Correct 37 ms 53840 KB Output is correct
60 Correct 46 ms 55128 KB Output is correct
61 Correct 39 ms 54356 KB Output is correct
62 Correct 85 ms 73900 KB Output is correct
63 Incorrect 26 ms 48728 KB Output isn't correct
64 Halted 0 ms 0 KB -