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Submission #387169

# Submission time Handle Problem Language Result Execution time Memory
387169 2021-04-08T05:44:45 Z kevinxiehk Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 158 ms 13276 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#define mp make_pair
#define pb emplace_back
#define fi first
#define se second
#define sint long long
#define int long long
using namespace std;
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);
    sint n,m,t,tt,s,e;cin>>n>>m;
    int dist[n+5],minadd[n+5];
    vector<sint>conn[n+5];
    set<sint>con2[n+5];
    memset(dist,-1,sizeof dist);
    memset(minadd,-1,sizeof minadd);
    int mtt=0;
    for(int i=0;i<m;i++){
        cin>>t>>tt;
        mtt=max(mtt,tt);
        if(i==0)s=t;
        if(i==1)e=t;
        if(tt!=0)con2[t].insert(tt);
    }
    if(mtt==1){
        cout<<abs(s-e)<<'\n';
        return 0;
    }
    for(int i=0;i<n;i++){
        for(auto&x:con2[i])conn[i].pb(x);
    }
    priority_queue<pair<int,sint>,vector<pair<int,sint>>,greater<>>dij;
    dij.push(mp(0,s));
    while(!dij.empty()){
        sint now=dij.top().se;
        if(dist[now]!=-1){dij.pop();continue;}
        dist[now]=dij.top().fi;
        dij.pop();
        for(auto x:conn[now]){
            //cout<<x;
            int nnow=now-now/x*x;
            while(nnow<n){
                if(now==nnow){nnow+=x;continue;}
                if(dist[nnow]==-1){
                    int di=dist[now]+abs(now-nnow)/x;
                    //cout<<x<<dist[now]+abs(i)<<" "<<minadd[now+i*x];
                    if(di<minadd[nnow]||minadd[nnow]==-1){
                        dij.push(mp(di,nnow));
                        minadd[nnow]=di;
                    }
                }
                nnow+=x;
            }
        }
    }
    //for(int i=0;i<n;i++)cout<<dist[i]<<" ";
    cout<<dist[e]<<"\n";
    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:59:17: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
   59 |     cout<<dist[e]<<"\n";
      |                 ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 512 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 4 ms 1004 KB Output is correct
30 Correct 2 ms 748 KB Output is correct
31 Correct 3 ms 748 KB Output is correct
32 Correct 2 ms 748 KB Output is correct
33 Correct 6 ms 1260 KB Output is correct
34 Correct 7 ms 1260 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 400 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 1 ms 620 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 4 ms 1004 KB Output is correct
30 Correct 2 ms 748 KB Output is correct
31 Correct 3 ms 748 KB Output is correct
32 Correct 2 ms 748 KB Output is correct
33 Correct 6 ms 1260 KB Output is correct
34 Correct 6 ms 1260 KB Output is correct
35 Correct 14 ms 2284 KB Output is correct
36 Correct 3 ms 748 KB Output is correct
37 Correct 11 ms 2028 KB Output is correct
38 Correct 15 ms 2796 KB Output is correct
39 Correct 16 ms 2796 KB Output is correct
40 Correct 16 ms 2796 KB Output is correct
41 Correct 20 ms 2796 KB Output is correct
42 Correct 7 ms 748 KB Output is correct
43 Correct 6 ms 748 KB Output is correct
44 Correct 6 ms 748 KB Output is correct
45 Correct 21 ms 3076 KB Output is correct
46 Correct 21 ms 3056 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 4 ms 1004 KB Output is correct
30 Correct 2 ms 748 KB Output is correct
31 Correct 3 ms 748 KB Output is correct
32 Correct 3 ms 748 KB Output is correct
33 Correct 6 ms 1260 KB Output is correct
34 Correct 7 ms 1260 KB Output is correct
35 Correct 13 ms 2284 KB Output is correct
36 Correct 4 ms 748 KB Output is correct
37 Correct 11 ms 2028 KB Output is correct
38 Correct 16 ms 2796 KB Output is correct
39 Correct 16 ms 2796 KB Output is correct
40 Correct 17 ms 2796 KB Output is correct
41 Correct 20 ms 2796 KB Output is correct
42 Correct 7 ms 748 KB Output is correct
43 Correct 6 ms 748 KB Output is correct
44 Correct 6 ms 748 KB Output is correct
45 Correct 22 ms 3068 KB Output is correct
46 Correct 24 ms 3328 KB Output is correct
47 Correct 28 ms 4452 KB Output is correct
48 Correct 12 ms 4076 KB Output is correct
49 Correct 11 ms 4204 KB Output is correct
50 Correct 9 ms 3948 KB Output is correct
51 Correct 39 ms 7520 KB Output is correct
52 Correct 39 ms 6500 KB Output is correct
53 Correct 22 ms 6500 KB Output is correct
54 Correct 4 ms 3312 KB Output is correct
55 Correct 5 ms 3312 KB Output is correct
56 Correct 14 ms 4716 KB Output is correct
57 Correct 71 ms 7388 KB Output is correct
58 Correct 12 ms 3440 KB Output is correct
59 Correct 11 ms 3712 KB Output is correct
60 Correct 13 ms 3564 KB Output is correct
61 Correct 15 ms 3692 KB Output is correct
62 Correct 22 ms 5612 KB Output is correct
63 Correct 53 ms 9180 KB Output is correct
64 Correct 68 ms 9188 KB Output is correct
65 Correct 78 ms 9180 KB Output is correct
66 Correct 158 ms 13276 KB Output is correct
67 Correct 152 ms 13148 KB Output is correct