oj.uz

Submission #404573

# Submission time Handle Problem Language Result Execution time Memory
404573 2021-05-14T16:14:38 Z teehandsome Jakarta Skyscrapers (APIO15_skyscraper) C++11
57 / 100
 88 ms 48576 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define INF 1e9+7
#define all(x) x.begin(),x.end()
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int,int>;
using ppi=pair<int,pii>;
using oset=tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;

template<typename T>
void _print(vector<T> x) {cerr<<"{"; for(auto e:x) cerr<<e<<","; cerr<<"}";}
void _print(pii x) {cerr<<"{"<<x.first<<","<<x.second<<"}";}
template<typename T>
void _print(T x) {cerr<<x;}

void dbg() {cerr<<endl;}
template<typename Head,typename... Tail>
void dbg(Head H,Tail... T) {
    _print(H);
    if(sizeof...(T)) cerr<<",";
    else cerr<<"\"]";
    dbg(T...);
}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:[\"",dbg(__VA_ARGS__)

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int mxn=2010;
int n,m;
int adjm[mxn][mxn];
vector<pii> adj[mxn];
vector<int> a[mxn];
int s,t;

void dijk() {
    priority_queue<pii,vector<pii>,greater<pii>> pq;
    vector<int> dist(n,INF);
    dist[s]=0;
    pq.push({dist[s],s});
    while(!pq.empty()) {
        pii cur=pq.top(); pq.pop();
        int u=cur.second,d=cur.first;
        for(auto vw:adj[u]) {
            int v=vw.first,w=vw.second;
            if(d+w<dist[v]) {
                dist[v]=d+w;
                pq.push({dist[v],v});
            }
        }
    }
    if(dist[t]==INF) cout<<"-1"<<endl;
    else cout<<dist[t]<<endl;
    exit(0);
}

int main () {
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>n>>m;
    for(int i=0;i<m;i++) {
        int u,w; cin>>u>>w;
        if(!i) s=u;
        else if(i==1) t=u;
        a[u].push_back(w);
    }
    for(int i=0;i<n;i++) {
        sort(all(a[i]));
        a[i].erase(unique(all(a[i])),end(a[i]));
    }

    for(int i=0;i<n;i++) {
        for(int j=0;j<n;j++) {
            adjm[i][j]=INF;
        }
    }
    for(int u=0;u<n;u++) {
        for(int w:a[u]) {
            for(int v=u-w,cnt=1;v>=0;v-=w,cnt++) {
                adjm[u][v]=min(adjm[u][v],cnt);
            }
            for(int v=u+w,cnt=1;v<n;v+=w,cnt++) {
                adjm[u][v]=min(adjm[u][v],cnt);
            }
        }
        for(int v=0;v<n;v++) {
            if(v==u) continue;
            if(adjm[u][v]!=INF) adj[u].push_back({v,adjm[u][v]});
        }
    }
    dijk();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 540 KB Output is correct
10 Correct 2 ms 844 KB Output is correct
11 Correct 2 ms 844 KB Output is correct
12 Correct 2 ms 844 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 2 ms 844 KB Output is correct
15 Correct 2 ms 804 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 412 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 844 KB Output is correct
11 Correct 2 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 2 ms 844 KB Output is correct
15 Correct 2 ms 844 KB Output is correct
16 Correct 2 ms 1440 KB Output is correct
17 Correct 5 ms 5836 KB Output is correct
18 Correct 14 ms 14224 KB Output is correct
19 Correct 15 ms 16204 KB Output is correct
20 Correct 83 ms 48320 KB Output is correct
21 Correct 2 ms 2600 KB Output is correct
22 Correct 14 ms 14412 KB Output is correct
23 Correct 12 ms 13104 KB Output is correct
24 Correct 16 ms 15564 KB Output is correct
25 Correct 18 ms 16296 KB Output is correct
26 Correct 16 ms 16204 KB Output is correct
27 Correct 16 ms 16228 KB Output is correct
28 Correct 17 ms 16372 KB Output is correct
29 Correct 17 ms 16596 KB Output is correct
30 Correct 16 ms 16332 KB Output is correct
31 Correct 18 ms 16580 KB Output is correct
32 Correct 16 ms 16460 KB Output is correct
33 Correct 18 ms 16768 KB Output is correct
34 Correct 18 ms 16716 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 800 KB Output is correct
11 Correct 2 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 2 ms 844 KB Output is correct
15 Correct 1 ms 844 KB Output is correct
16 Correct 2 ms 1356 KB Output is correct
17 Correct 6 ms 5836 KB Output is correct
18 Correct 14 ms 14268 KB Output is correct
19 Correct 16 ms 16196 KB Output is correct
20 Correct 81 ms 48212 KB Output is correct
21 Correct 2 ms 2596 KB Output is correct
22 Correct 15 ms 14596 KB Output is correct
23 Correct 12 ms 13128 KB Output is correct
24 Correct 17 ms 15552 KB Output is correct
25 Correct 17 ms 16236 KB Output is correct
26 Correct 16 ms 16204 KB Output is correct
27 Correct 16 ms 16192 KB Output is correct
28 Correct 17 ms 16428 KB Output is correct
29 Correct 17 ms 16596 KB Output is correct
30 Correct 16 ms 16436 KB Output is correct
31 Correct 18 ms 16480 KB Output is correct
32 Correct 21 ms 16480 KB Output is correct
33 Correct 18 ms 16716 KB Output is correct
34 Correct 18 ms 16792 KB Output is correct
35 Correct 25 ms 13632 KB Output is correct
36 Correct 9 ms 9180 KB Output is correct
37 Correct 28 ms 18932 KB Output is correct
38 Correct 31 ms 18880 KB Output is correct
39 Correct 31 ms 19108 KB Output is correct
40 Correct 30 ms 18984 KB Output is correct
41 Correct 30 ms 18824 KB Output is correct
42 Correct 22 ms 16548 KB Output is correct
43 Correct 21 ms 16484 KB Output is correct
44 Correct 83 ms 48544 KB Output is correct
45 Correct 30 ms 19012 KB Output is correct
46 Correct 28 ms 19000 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 844 KB Output is correct
11 Correct 2 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 2 ms 844 KB Output is correct
15 Correct 2 ms 844 KB Output is correct
16 Correct 2 ms 1356 KB Output is correct
17 Correct 5 ms 5836 KB Output is correct
18 Correct 13 ms 14156 KB Output is correct
19 Correct 16 ms 16180 KB Output is correct
20 Correct 81 ms 48220 KB Output is correct
21 Correct 3 ms 2636 KB Output is correct
22 Correct 14 ms 14496 KB Output is correct
23 Correct 12 ms 13072 KB Output is correct
24 Correct 18 ms 15564 KB Output is correct
25 Correct 20 ms 16244 KB Output is correct
26 Correct 16 ms 16312 KB Output is correct
27 Correct 16 ms 16176 KB Output is correct
28 Correct 17 ms 16356 KB Output is correct
29 Correct 22 ms 16588 KB Output is correct
30 Correct 20 ms 16440 KB Output is correct
31 Correct 17 ms 16456 KB Output is correct
32 Correct 16 ms 16460 KB Output is correct
33 Correct 18 ms 16700 KB Output is correct
34 Correct 18 ms 16784 KB Output is correct
35 Correct 22 ms 13532 KB Output is correct
36 Correct 10 ms 9256 KB Output is correct
37 Correct 29 ms 18936 KB Output is correct
38 Correct 30 ms 18868 KB Output is correct
39 Correct 30 ms 19140 KB Output is correct
40 Correct 34 ms 19008 KB Output is correct
41 Correct 38 ms 18924 KB Output is correct
42 Correct 26 ms 16588 KB Output is correct
43 Correct 21 ms 16580 KB Output is correct
44 Correct 88 ms 48576 KB Output is correct
45 Correct 27 ms 18936 KB Output is correct
46 Correct 28 ms 19104 KB Output is correct
47 Runtime error 43 ms 33600 KB Execution killed with signal 11
48 Halted 0 ms 0 KB -