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Submission #1031214

# Submission time Handle Problem Language Result Execution time Memory
1031214 2024-07-22T16:05:13 Z _8_8_ Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 665 ms 262144 KB 
#include <bits/stdc++.h>
 
using namespace std;
    
typedef long long ll;
const int  N = 5226152+12, MOD = (int)1e9+7;

const int M = 3e4 + 21;
short n,m,b[M];
int ft[M];
vector<int> g[N];
vector<pair<short,short>> x[M];
void add(int v,int u) {
    g[v].push_back(u);
    g[u].push_back(v);
}
bool sgn(int x) {
    return (x < n);
}
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 > (int)3e4 * (int)180){
        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);
                }
            }
            int v = b[x[i][j].second];
            g[v].push_back(ft[v]);
        }
        // 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(int to:g[v]){
            int w = (sgn(to) == sgn(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 65 ms 123728 KB Output is correct
2 Correct 47 ms 123728 KB Output is correct
3 Correct 64 ms 123728 KB Output is correct
4 Correct 49 ms 123736 KB Output is correct
5 Correct 45 ms 123728 KB Output is correct
6 Correct 58 ms 123648 KB Output is correct
7 Correct 64 ms 123804 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 123732 KB Output is correct
2 Correct 55 ms 123876 KB Output is correct
3 Correct 52 ms 123700 KB Output is correct
4 Correct 54 ms 123684 KB Output is correct
5 Correct 51 ms 123776 KB Output is correct
6 Correct 47 ms 123720 KB Output is correct
7 Correct 65 ms 123848 KB Output is correct
8 Correct 66 ms 123684 KB Output is correct
9 Correct 60 ms 123728 KB Output is correct
10 Correct 52 ms 123788 KB Output is correct
11 Correct 60 ms 123944 KB Output is correct
12 Correct 48 ms 123824 KB Output is correct
13 Correct 48 ms 123664 KB Output is correct
14 Correct 49 ms 124184 KB Output is correct
15 Correct 66 ms 123984 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 123728 KB Output is correct
2 Correct 56 ms 123728 KB Output is correct
3 Correct 53 ms 123728 KB Output is correct
4 Correct 43 ms 123732 KB Output is correct
5 Correct 53 ms 123836 KB Output is correct
6 Correct 51 ms 123732 KB Output is correct
7 Correct 50 ms 123732 KB Output is correct
8 Correct 51 ms 123728 KB Output is correct
9 Correct 59 ms 123728 KB Output is correct
10 Correct 51 ms 123788 KB Output is correct
11 Correct 54 ms 124140 KB Output is correct
12 Correct 47 ms 123888 KB Output is correct
13 Correct 48 ms 123740 KB Output is correct
14 Correct 54 ms 123988 KB Output is correct
15 Correct 52 ms 124228 KB Output is correct
16 Correct 63 ms 124036 KB Output is correct
17 Correct 54 ms 124528 KB Output is correct
18 Correct 48 ms 123988 KB Output is correct
19 Correct 50 ms 123984 KB Output is correct
20 Correct 48 ms 123960 KB Output is correct
21 Correct 50 ms 123732 KB Output is correct
22 Correct 52 ms 124136 KB Output is correct
23 Correct 46 ms 123984 KB Output is correct
24 Correct 61 ms 124408 KB Output is correct
25 Correct 56 ms 124240 KB Output is correct
26 Correct 53 ms 124056 KB Output is correct
27 Correct 70 ms 123988 KB Output is correct
28 Correct 67 ms 124548 KB Output is correct
29 Correct 59 ms 126040 KB Output is correct
30 Correct 50 ms 124496 KB Output is correct
31 Correct 78 ms 124992 KB Output is correct
32 Correct 60 ms 124756 KB Output is correct
33 Correct 73 ms 128012 KB Output is correct
34 Correct 76 ms 128088 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 123732 KB Output is correct
2 Correct 48 ms 123732 KB Output is correct
3 Correct 47 ms 123728 KB Output is correct
4 Correct 47 ms 123876 KB Output is correct
5 Correct 47 ms 123732 KB Output is correct
6 Correct 47 ms 123728 KB Output is correct
7 Correct 50 ms 123704 KB Output is correct
8 Correct 57 ms 123728 KB Output is correct
9 Correct 49 ms 123732 KB Output is correct
10 Correct 49 ms 123912 KB Output is correct
11 Correct 68 ms 123984 KB Output is correct
12 Correct 53 ms 123752 KB Output is correct
13 Correct 56 ms 123728 KB Output is correct
14 Correct 53 ms 123988 KB Output is correct
15 Correct 52 ms 123988 KB Output is correct
16 Correct 48 ms 123988 KB Output is correct
17 Correct 74 ms 124496 KB Output is correct
18 Correct 50 ms 123984 KB Output is correct
19 Correct 53 ms 123928 KB Output is correct
20 Correct 52 ms 123984 KB Output is correct
21 Correct 50 ms 123732 KB Output is correct
22 Correct 50 ms 123988 KB Output is correct
23 Correct 52 ms 124080 KB Output is correct
24 Correct 51 ms 124368 KB Output is correct
25 Correct 57 ms 123988 KB Output is correct
26 Correct 51 ms 123988 KB Output is correct
27 Correct 55 ms 124156 KB Output is correct
28 Correct 50 ms 124752 KB Output is correct
29 Correct 59 ms 126032 KB Output is correct
30 Correct 56 ms 124496 KB Output is correct
31 Correct 56 ms 125008 KB Output is correct
32 Correct 59 ms 124760 KB Output is correct
33 Correct 74 ms 128080 KB Output is correct
34 Correct 71 ms 128084 KB Output is correct
35 Correct 86 ms 128404 KB Output is correct
36 Correct 53 ms 124504 KB Output is correct
37 Correct 99 ms 131272 KB Output is correct
38 Correct 98 ms 131360 KB Output is correct
39 Correct 95 ms 131156 KB Output is correct
40 Correct 98 ms 131152 KB Output is correct
41 Correct 92 ms 131152 KB Output is correct
42 Correct 53 ms 124316 KB Output is correct
43 Correct 56 ms 124240 KB Output is correct
44 Correct 57 ms 124144 KB Output is correct
45 Correct 140 ms 142672 KB Output is correct
46 Correct 148 ms 142420 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 123848 KB Output is correct
2 Correct 51 ms 123728 KB Output is correct
3 Correct 51 ms 123728 KB Output is correct
4 Correct 49 ms 123728 KB Output is correct
5 Correct 50 ms 123732 KB Output is correct
6 Correct 49 ms 123732 KB Output is correct
7 Correct 50 ms 123732 KB Output is correct
8 Correct 51 ms 123728 KB Output is correct
9 Correct 49 ms 123800 KB Output is correct
10 Correct 51 ms 123740 KB Output is correct
11 Correct 54 ms 123992 KB Output is correct
12 Correct 48 ms 123736 KB Output is correct
13 Correct 49 ms 123732 KB Output is correct
14 Correct 56 ms 123984 KB Output is correct
15 Correct 48 ms 123984 KB Output is correct
16 Correct 51 ms 123988 KB Output is correct
17 Correct 52 ms 124500 KB Output is correct
18 Correct 53 ms 123984 KB Output is correct
19 Correct 54 ms 124032 KB Output is correct
20 Correct 50 ms 123896 KB Output is correct
21 Correct 47 ms 123732 KB Output is correct
22 Correct 47 ms 123984 KB Output is correct
23 Correct 51 ms 124068 KB Output is correct
24 Correct 54 ms 124244 KB Output is correct
25 Correct 52 ms 124084 KB Output is correct
26 Correct 51 ms 124192 KB Output is correct
27 Correct 50 ms 124036 KB Output is correct
28 Correct 56 ms 124608 KB Output is correct
29 Correct 62 ms 126036 KB Output is correct
30 Correct 53 ms 124508 KB Output is correct
31 Correct 56 ms 124872 KB Output is correct
32 Correct 53 ms 124752 KB Output is correct
33 Correct 72 ms 128124 KB Output is correct
34 Correct 74 ms 128084 KB Output is correct
35 Correct 74 ms 128260 KB Output is correct
36 Correct 55 ms 124496 KB Output is correct
37 Correct 108 ms 131416 KB Output is correct
38 Correct 92 ms 131412 KB Output is correct
39 Correct 94 ms 131272 KB Output is correct
40 Correct 90 ms 131156 KB Output is correct
41 Correct 96 ms 131340 KB Output is correct
42 Correct 55 ms 124268 KB Output is correct
43 Correct 53 ms 124196 KB Output is correct
44 Correct 53 ms 124244 KB Output is correct
45 Correct 150 ms 142576 KB Output is correct
46 Correct 172 ms 142632 KB Output is correct
47 Correct 278 ms 152116 KB Output is correct
48 Correct 71 ms 133208 KB Output is correct
49 Correct 72 ms 129836 KB Output is correct
50 Correct 75 ms 129876 KB Output is correct
51 Correct 159 ms 136912 KB Output is correct
52 Correct 135 ms 137880 KB Output is correct
53 Correct 72 ms 128176 KB Output is correct
54 Correct 57 ms 124948 KB Output is correct
55 Correct 58 ms 125920 KB Output is correct
56 Correct 62 ms 126148 KB Output is correct
57 Correct 164 ms 139236 KB Output is correct
58 Correct 62 ms 126592 KB Output is correct
59 Correct 75 ms 127828 KB Output is correct
60 Correct 76 ms 128688 KB Output is correct
61 Correct 85 ms 128304 KB Output is correct
62 Correct 111 ms 142416 KB Output is correct
63 Correct 582 ms 205648 KB Output is correct
64 Correct 665 ms 223824 KB Output is correct
65 Runtime error 320 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -