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Submission #1110106

# Submission time Handle Problem Language Result Execution time Memory
1110106 2024-11-08T17:42:50 Z HossamHero7 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 354 ms 189356 KB 
#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
#define endl '\n'
const int N = 3e4 + 5;
const int SQ = 25;
vector<int> adj1[N][SQ];
vector<int> adj11[N][SQ];
vector<pair<int,int>> r_adj1[N];
vector<pair<int,int>> adj2[N];
vector<int> r_adj2[N];
ll dis[3][N][SQ];
void solve(){
    int n,m;
    cin>>n>>m;
    vector<pair<int,int>> d(m);
    for(auto &[i,p] : d) cin>>i>>p;
    vector<vector<int>> dogs(n+1);
    for(int i=0;i<m;i++) dogs[d[i].first].push_back(i);
    for(int i=0;i<n;i++){
        for(int j=1;j<SQ;j++){
            adj1[i][j].push_back(i);
 
            if(i+j<n) adj11[i][j].push_back(i+j) ;
            if(i-j>=0) adj11[i][j].push_back(i-j);
        }
    }
    for(int i=0;i<n;i++){
        for(auto j : dogs[i]){
            if(d[j].second < SQ) r_adj1[i].push_back({d[j].first,d[j].second});
            else r_adj2[i].push_back(j);
        }
    }
    for(int j=0;j<m;j++){
        auto [i,p] = d[j];
        if(p < SQ) continue;
        for(int k=i+p;k<n;k+=p) adj2[j].push_back({k,(k-i)/p});
        for(int k=i-p;k>=0;k-=p) adj2[j].push_back({k,(i-k)/p});
    }
    priority_queue<array<ll,4>,vector<array<ll,4>>,greater<>> q;
    for(int i=0;i<N;i++) for(int j=0;j<SQ;j++) dis[0][i][j] = dis[1][i][j] = dis[2][i][j] = 1e18;
    dis[0][d[0].first][0] = 0;
    q.push({0,0,d[0].first,0});
    while(q.size()){
        auto [c,t,i,p] = q.top();     q.pop();
        if(c > dis[t][i][p]) continue;
        if(t == 0){
            for(auto [ii,pp] : r_adj1[i]){
                if(c < dis[1][ii][pp]) {
                    //cout<<"HI"<<endl;
                    q.push({c,1,ii,pp});
                    dis[1][ii][pp] = c;
                }
            }
            for(auto j : r_adj2[i]){
                if(c < dis[2][j][0]){
                    q.push({c,2,j,0});
                    dis[2][j][0] = c;
                }
            }
        }
        else if(t == 1){
 
                    //if(t == 1 && i == 4 && p == 1) cout<<"WOW"<<endl;
            for(auto j : adj1[i][p]){
                if(c < dis[0][j][0]){
                    //if(i == 0 && p == 2) cout<<j<<endl;
                    q.push({c,0,j,0});
                    dis[0][j][0] = c;
                }
            }
            for(auto j : adj11[i][p]){
 
                    //if(t == 1 && i == 4 && p == 1) cout<<"mm"<<endl;
                if(c+1 < dis[1][j][p]){
 
                    //if(t == 1 && i == 4 && p == 1) cout<<j<<' '<<p<<endl;
                    q.push({c+1,1,j,p});
                    dis[1][j][p] = c+1;
                }
            }
        }
        else {
            for(auto [j,cost] : adj2[i]){
                if(c + cost < dis[0][j][0]){
                    q.push({c+cost,0,j,0});
                    dis[0][j][0] = c + cost;
                }
            }
        }
    }
    cout<<(dis[0][d[1].first][0] == 1e18 ? -1 : dis[0][d[1].first][0])<<endl;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void solve()':
skyscraper.cpp:18:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   18 |     for(auto &[i,p] : d) cin>>i>>p;
      |               ^
skyscraper.cpp:36:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   36 |         auto [i,p] = d[j];
      |              ^
skyscraper.cpp:46:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   46 |         auto [c,t,i,p] = q.top();     q.pop();
      |              ^
skyscraper.cpp:49:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |             for(auto [ii,pp] : r_adj1[i]){
      |                      ^
skyscraper.cpp:85:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   85 |             for(auto [j,cost] : adj2[i]){
      |                      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 55376 KB Output is correct
2 Correct 11 ms 55376 KB Output is correct
3 Correct 10 ms 55376 KB Output is correct
4 Correct 11 ms 55544 KB Output is correct
5 Correct 10 ms 55544 KB Output is correct
6 Correct 11 ms 55376 KB Output is correct
7 Correct 10 ms 55376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 55376 KB Output is correct
2 Correct 13 ms 55376 KB Output is correct
3 Correct 11 ms 55232 KB Output is correct
4 Correct 10 ms 55396 KB Output is correct
5 Correct 11 ms 55376 KB Output is correct
6 Correct 11 ms 55376 KB Output is correct
7 Correct 11 ms 55180 KB Output is correct
8 Correct 13 ms 55376 KB Output is correct
9 Correct 10 ms 55544 KB Output is correct
10 Correct 11 ms 55376 KB Output is correct
11 Correct 13 ms 55632 KB Output is correct
12 Correct 11 ms 55376 KB Output is correct
13 Correct 11 ms 55416 KB Output is correct
14 Correct 12 ms 55632 KB Output is correct
15 Correct 11 ms 55612 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 55376 KB Output is correct
2 Correct 11 ms 55376 KB Output is correct
3 Correct 10 ms 55376 KB Output is correct
4 Correct 11 ms 55428 KB Output is correct
5 Correct 11 ms 55544 KB Output is correct
6 Correct 11 ms 55376 KB Output is correct
7 Correct 11 ms 55376 KB Output is correct
8 Correct 11 ms 55376 KB Output is correct
9 Correct 10 ms 55376 KB Output is correct
10 Correct 10 ms 55392 KB Output is correct
11 Correct 11 ms 55632 KB Output is correct
12 Correct 11 ms 55632 KB Output is correct
13 Correct 11 ms 55632 KB Output is correct
14 Correct 11 ms 55632 KB Output is correct
15 Correct 12 ms 55632 KB Output is correct
16 Correct 12 ms 55760 KB Output is correct
17 Correct 15 ms 56656 KB Output is correct
18 Correct 14 ms 57936 KB Output is correct
19 Correct 16 ms 58544 KB Output is correct
20 Correct 17 ms 58448 KB Output is correct
21 Correct 13 ms 55900 KB Output is correct
22 Correct 16 ms 58192 KB Output is correct
23 Correct 16 ms 57936 KB Output is correct
24 Correct 18 ms 58600 KB Output is correct
25 Correct 17 ms 58448 KB Output is correct
26 Correct 16 ms 58448 KB Output is correct
27 Correct 16 ms 58488 KB Output is correct
28 Correct 18 ms 58704 KB Output is correct
29 Correct 21 ms 59216 KB Output is correct
30 Correct 17 ms 58448 KB Output is correct
31 Correct 16 ms 58960 KB Output is correct
32 Correct 16 ms 58704 KB Output is correct
33 Correct 24 ms 59728 KB Output is correct
34 Correct 23 ms 59728 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 55392 KB Output is correct
2 Correct 10 ms 55544 KB Output is correct
3 Correct 11 ms 55376 KB Output is correct
4 Correct 10 ms 55376 KB Output is correct
5 Correct 11 ms 55544 KB Output is correct
6 Correct 10 ms 55376 KB Output is correct
7 Correct 11 ms 55376 KB Output is correct
8 Correct 11 ms 55632 KB Output is correct
9 Correct 11 ms 55376 KB Output is correct
10 Correct 11 ms 55608 KB Output is correct
11 Correct 11 ms 55632 KB Output is correct
12 Correct 11 ms 55632 KB Output is correct
13 Correct 10 ms 55632 KB Output is correct
14 Correct 12 ms 55632 KB Output is correct
15 Correct 11 ms 55632 KB Output is correct
16 Correct 11 ms 55632 KB Output is correct
17 Correct 15 ms 56656 KB Output is correct
18 Correct 17 ms 57936 KB Output is correct
19 Correct 21 ms 58448 KB Output is correct
20 Correct 17 ms 58448 KB Output is correct
21 Correct 12 ms 55888 KB Output is correct
22 Correct 16 ms 58192 KB Output is correct
23 Correct 16 ms 57976 KB Output is correct
24 Correct 19 ms 58448 KB Output is correct
25 Correct 19 ms 58448 KB Output is correct
26 Correct 17 ms 58448 KB Output is correct
27 Correct 17 ms 58448 KB Output is correct
28 Correct 18 ms 58704 KB Output is correct
29 Correct 25 ms 59216 KB Output is correct
30 Correct 21 ms 58452 KB Output is correct
31 Correct 18 ms 58960 KB Output is correct
32 Correct 18 ms 58872 KB Output is correct
33 Correct 24 ms 59728 KB Output is correct
34 Correct 24 ms 59728 KB Output is correct
35 Correct 32 ms 60096 KB Output is correct
36 Correct 17 ms 57424 KB Output is correct
37 Correct 37 ms 61640 KB Output is correct
38 Correct 41 ms 61640 KB Output is correct
39 Correct 41 ms 61632 KB Output is correct
40 Correct 41 ms 61648 KB Output is correct
41 Correct 40 ms 61644 KB Output is correct
42 Correct 19 ms 59084 KB Output is correct
43 Correct 20 ms 58964 KB Output is correct
44 Correct 20 ms 59092 KB Output is correct
45 Correct 39 ms 67024 KB Output is correct
46 Correct 49 ms 67232 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 55376 KB Output is correct
2 Correct 11 ms 55420 KB Output is correct
3 Correct 11 ms 55376 KB Output is correct
4 Correct 10 ms 55280 KB Output is correct
5 Correct 10 ms 55376 KB Output is correct
6 Correct 11 ms 55388 KB Output is correct
7 Correct 11 ms 55376 KB Output is correct
8 Correct 10 ms 55376 KB Output is correct
9 Correct 11 ms 55376 KB Output is correct
10 Correct 11 ms 55388 KB Output is correct
11 Correct 12 ms 55632 KB Output is correct
12 Correct 10 ms 55408 KB Output is correct
13 Correct 11 ms 55632 KB Output is correct
14 Correct 11 ms 55632 KB Output is correct
15 Correct 12 ms 55632 KB Output is correct
16 Correct 11 ms 55768 KB Output is correct
17 Correct 16 ms 56656 KB Output is correct
18 Correct 15 ms 57936 KB Output is correct
19 Correct 16 ms 58448 KB Output is correct
20 Correct 17 ms 58448 KB Output is correct
21 Correct 11 ms 55984 KB Output is correct
22 Correct 15 ms 58192 KB Output is correct
23 Correct 17 ms 57936 KB Output is correct
24 Correct 19 ms 58448 KB Output is correct
25 Correct 18 ms 58584 KB Output is correct
26 Correct 18 ms 58544 KB Output is correct
27 Correct 17 ms 58448 KB Output is correct
28 Correct 18 ms 58872 KB Output is correct
29 Correct 22 ms 59216 KB Output is correct
30 Correct 20 ms 58548 KB Output is correct
31 Correct 19 ms 58960 KB Output is correct
32 Correct 18 ms 58704 KB Output is correct
33 Correct 24 ms 59728 KB Output is correct
34 Correct 24 ms 59728 KB Output is correct
35 Correct 30 ms 60096 KB Output is correct
36 Correct 16 ms 57424 KB Output is correct
37 Correct 36 ms 61656 KB Output is correct
38 Correct 41 ms 61640 KB Output is correct
39 Correct 39 ms 61640 KB Output is correct
40 Correct 39 ms 61648 KB Output is correct
41 Correct 45 ms 61724 KB Output is correct
42 Correct 20 ms 59096 KB Output is correct
43 Correct 23 ms 59200 KB Output is correct
44 Correct 20 ms 59344 KB Output is correct
45 Correct 41 ms 66892 KB Output is correct
46 Correct 40 ms 67004 KB Output is correct
47 Correct 131 ms 82632 KB Output is correct
48 Correct 83 ms 93512 KB Output is correct
49 Correct 84 ms 96328 KB Output is correct
50 Correct 91 ms 99912 KB Output is correct
51 Correct 158 ms 105920 KB Output is correct
52 Correct 163 ms 106176 KB Output is correct
53 Correct 112 ms 102736 KB Output is correct
54 Correct 101 ms 101192 KB Output is correct
55 Correct 101 ms 101192 KB Output is correct
56 Correct 104 ms 103120 KB Output is correct
57 Correct 256 ms 116420 KB Output is correct
58 Correct 109 ms 101748 KB Output is correct
59 Correct 108 ms 102084 KB Output is correct
60 Correct 111 ms 102596 KB Output is correct
61 Correct 115 ms 102096 KB Output is correct
62 Correct 141 ms 106824 KB Output is correct
63 Correct 185 ms 132788 KB Output is correct
64 Correct 180 ms 141136 KB Output is correct
65 Correct 199 ms 152508 KB Output is correct
66 Correct 354 ms 189208 KB Output is correct
67 Correct 346 ms 189356 KB Output is correct