Submission #1031228

# Submission time Handle Problem Language Result Execution time Memory
1031228 2024-07-22T16:16:45 Z _8_8_ Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
327 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;
    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]);
        }
    }
    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();
    }
}
# Verdict Execution time Memory Grader output
1 Correct 55 ms 123728 KB Output is correct
2 Correct 51 ms 123736 KB Output is correct
3 Correct 53 ms 123732 KB Output is correct
4 Correct 52 ms 123728 KB Output is correct
5 Correct 51 ms 123792 KB Output is correct
6 Correct 55 ms 123732 KB Output is correct
7 Correct 52 ms 123652 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 54 ms 123736 KB Output is correct
2 Correct 56 ms 123692 KB Output is correct
3 Correct 51 ms 123732 KB Output is correct
4 Correct 50 ms 123884 KB Output is correct
5 Correct 53 ms 123736 KB Output is correct
6 Correct 51 ms 123732 KB Output is correct
7 Correct 48 ms 123736 KB Output is correct
8 Correct 52 ms 123732 KB Output is correct
9 Correct 51 ms 123672 KB Output is correct
10 Correct 52 ms 123728 KB Output is correct
11 Correct 53 ms 124240 KB Output is correct
12 Correct 51 ms 123732 KB Output is correct
13 Correct 52 ms 123740 KB Output is correct
14 Correct 52 ms 123988 KB Output is correct
15 Correct 53 ms 123992 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 52 ms 123728 KB Output is correct
2 Correct 52 ms 123728 KB Output is correct
3 Correct 50 ms 123728 KB Output is correct
4 Correct 46 ms 123732 KB Output is correct
5 Correct 51 ms 123728 KB Output is correct
6 Correct 49 ms 123664 KB Output is correct
7 Correct 52 ms 123728 KB Output is correct
8 Correct 51 ms 123736 KB Output is correct
9 Correct 53 ms 123732 KB Output is correct
10 Correct 50 ms 123728 KB Output is correct
11 Correct 53 ms 124040 KB Output is correct
12 Correct 50 ms 123728 KB Output is correct
13 Correct 59 ms 124244 KB Output is correct
14 Correct 55 ms 123984 KB Output is correct
15 Correct 55 ms 124236 KB Output is correct
16 Correct 55 ms 123964 KB Output is correct
17 Correct 56 ms 124420 KB Output is correct
18 Correct 54 ms 123996 KB Output is correct
19 Correct 58 ms 123988 KB Output is correct
20 Correct 61 ms 123988 KB Output is correct
21 Correct 54 ms 123984 KB Output is correct
22 Correct 54 ms 124068 KB Output is correct
23 Correct 62 ms 123984 KB Output is correct
24 Correct 57 ms 124244 KB Output is correct
25 Correct 54 ms 124164 KB Output is correct
26 Correct 54 ms 123988 KB Output is correct
27 Correct 54 ms 123984 KB Output is correct
28 Correct 57 ms 124752 KB Output is correct
29 Correct 63 ms 126104 KB Output is correct
30 Correct 57 ms 124412 KB Output is correct
31 Correct 60 ms 124952 KB Output is correct
32 Correct 60 ms 124520 KB Output is correct
33 Correct 74 ms 128264 KB Output is correct
34 Correct 78 ms 128088 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 54 ms 123732 KB Output is correct
2 Correct 56 ms 123728 KB Output is correct
3 Correct 55 ms 123732 KB Output is correct
4 Correct 54 ms 123732 KB Output is correct
5 Correct 53 ms 123740 KB Output is correct
6 Correct 53 ms 123736 KB Output is correct
7 Correct 54 ms 123732 KB Output is correct
8 Correct 53 ms 123732 KB Output is correct
9 Correct 53 ms 123736 KB Output is correct
10 Correct 54 ms 123732 KB Output is correct
11 Correct 56 ms 124240 KB Output is correct
12 Correct 53 ms 123740 KB Output is correct
13 Correct 54 ms 123848 KB Output is correct
14 Correct 55 ms 123988 KB Output is correct
15 Correct 56 ms 123992 KB Output is correct
16 Correct 53 ms 124020 KB Output is correct
17 Correct 56 ms 124496 KB Output is correct
18 Correct 54 ms 123984 KB Output is correct
19 Correct 59 ms 123988 KB Output is correct
20 Correct 54 ms 123988 KB Output is correct
21 Correct 56 ms 123988 KB Output is correct
22 Correct 55 ms 123988 KB Output is correct
23 Correct 54 ms 123988 KB Output is correct
24 Correct 60 ms 124244 KB Output is correct
25 Correct 56 ms 124244 KB Output is correct
26 Correct 54 ms 124172 KB Output is correct
27 Correct 56 ms 124184 KB Output is correct
28 Correct 58 ms 124756 KB Output is correct
29 Correct 65 ms 126032 KB Output is correct
30 Correct 56 ms 124444 KB Output is correct
31 Correct 59 ms 125008 KB Output is correct
32 Correct 57 ms 124752 KB Output is correct
33 Correct 77 ms 128080 KB Output is correct
34 Correct 76 ms 128204 KB Output is correct
35 Correct 90 ms 129356 KB Output is correct
36 Correct 58 ms 124496 KB Output is correct
37 Correct 143 ms 133712 KB Output is correct
38 Correct 108 ms 133132 KB Output is correct
39 Correct 119 ms 133132 KB Output is correct
40 Correct 112 ms 132944 KB Output is correct
41 Correct 103 ms 133116 KB Output is correct
42 Correct 57 ms 124500 KB Output is correct
43 Correct 54 ms 124656 KB Output is correct
44 Correct 60 ms 124572 KB Output is correct
45 Correct 160 ms 142672 KB Output is correct
46 Correct 154 ms 142676 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 59 ms 123732 KB Output is correct
2 Correct 55 ms 123728 KB Output is correct
3 Correct 54 ms 123728 KB Output is correct
4 Correct 55 ms 123732 KB Output is correct
5 Correct 54 ms 123732 KB Output is correct
6 Correct 54 ms 123704 KB Output is correct
7 Correct 56 ms 123648 KB Output is correct
8 Correct 56 ms 123876 KB Output is correct
9 Correct 57 ms 123732 KB Output is correct
10 Correct 53 ms 123728 KB Output is correct
11 Correct 58 ms 124240 KB Output is correct
12 Correct 56 ms 123940 KB Output is correct
13 Correct 55 ms 123884 KB Output is correct
14 Correct 60 ms 124144 KB Output is correct
15 Correct 58 ms 123976 KB Output is correct
16 Correct 57 ms 123996 KB Output is correct
17 Correct 60 ms 124508 KB Output is correct
18 Correct 55 ms 123988 KB Output is correct
19 Correct 60 ms 124012 KB Output is correct
20 Correct 56 ms 124016 KB Output is correct
21 Correct 59 ms 123984 KB Output is correct
22 Correct 58 ms 123920 KB Output is correct
23 Correct 57 ms 124148 KB Output is correct
24 Correct 64 ms 124244 KB Output is correct
25 Correct 59 ms 124020 KB Output is correct
26 Correct 57 ms 124096 KB Output is correct
27 Correct 59 ms 124060 KB Output is correct
28 Correct 55 ms 124752 KB Output is correct
29 Correct 69 ms 125932 KB Output is correct
30 Correct 59 ms 124448 KB Output is correct
31 Correct 62 ms 124908 KB Output is correct
32 Correct 59 ms 124576 KB Output is correct
33 Correct 81 ms 128104 KB Output is correct
34 Correct 89 ms 128208 KB Output is correct
35 Correct 88 ms 129116 KB Output is correct
36 Correct 59 ms 124500 KB Output is correct
37 Correct 127 ms 133804 KB Output is correct
38 Correct 112 ms 133016 KB Output is correct
39 Correct 119 ms 132996 KB Output is correct
40 Correct 122 ms 132948 KB Output is correct
41 Correct 127 ms 133204 KB Output is correct
42 Correct 60 ms 124496 KB Output is correct
43 Correct 62 ms 124500 KB Output is correct
44 Correct 60 ms 124504 KB Output is correct
45 Correct 170 ms 142852 KB Output is correct
46 Correct 170 ms 142844 KB Output is correct
47 Correct 327 ms 156292 KB Output is correct
48 Correct 80 ms 133460 KB Output is correct
49 Correct 72 ms 130132 KB Output is correct
50 Correct 75 ms 129872 KB Output is correct
51 Correct 146 ms 137132 KB Output is correct
52 Correct 151 ms 138572 KB Output is correct
53 Correct 74 ms 128404 KB Output is correct
54 Correct 63 ms 125008 KB Output is correct
55 Correct 62 ms 125928 KB Output is correct
56 Correct 67 ms 126292 KB Output is correct
57 Runtime error 312 ms 262144 KB Execution killed with signal 9
58 Halted 0 ms 0 KB -