oj.uz

Submission #533069

# Submission time Handle Problem Language Result Execution time Memory
533069 2022-03-04T16:57:22 Z new_acc Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 197 ms 215000 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
vector<pair<int,int> > graf[N];
pair<int,int>w[N];
int l,num[N];
vi li[300];
bitset<N>bb;
bitset<N>vis;
vi kol[N*2];
int n,m;
void single(int x){
	for(int i=1;i<=x;i++){
		num[i]=++l;
		graf[l].push_back({i,0});
	}
	for(int i=x+1;i<=n;i++){
		num[i]=++l;
		graf[l].push_back({i,0}),graf[l].push_back({num[i-x],1});
	}
	for(int i=1;i<=n;i++) bb[i]=0;
	for(auto u:li[x]) bb[w[u].fi]=1;
	for(int i=1;i<=n;i++) if(bb[i]) graf[i].push_back({num[i],0});
	for(int i=n;i>=n-x+1;i--){
		num[i]=++l;
		graf[l].push_back({i,0});
	}
	for(int i=n-x;i>=1;i--){
		num[i]=++l;
		graf[l].push_back({i,0}),graf[l].push_back({num[i+x],1});
	}
	for(int i=1;i<=n;i++) if(bb[i]) graf[i].push_back({num[i],0});
}
int Dijkstra(int p,int k){
	kol[0].push_back(p);
	for(int i=0;i<=(int)1e6;i++){
		for(int j=0;j<kol[i].size();j++){
			int v=kol[i][j];
			if(vis[v]) continue;
			vis[v]=1;
			if(v==k) return i;
			for(auto u:graf[v])
				if(!vis[u.fi]) kol[i+u.se].push_back(u.fi);
		}
	}
	return -1;
}
void solve(){
	cin>>n>>m;
	l=n;
	int p=sqrt(n);
	if(p*p!=n) p++;
	for(int i=1;i<=m;i++){
		cin>>w[i].fi>>w[i].se;
		w[i].fi++;
		if(w[i].se>p){
			for(int j=w[i].fi+w[i].se;j<=n;j+=w[i].se) graf[w[i].fi].push_back({j,(j-w[i].fi)/w[i].se});
			for(int j=w[i].fi-w[i].se;j>=1;j-=w[i].se) graf[w[i].fi].push_back({j,(w[i].fi-j)/w[i].se});
		}else li[w[i].se].push_back(i);
	}
	for(int i=1;i<=p;i++) single(i);		
	cout<<Dijkstra(w[1].fi,w[2].fi)<<"\n";
}
int main(){
	ios_base::sync_with_stdio(0),cin.tie(0);
	solve();
}

Compilation message

skyscraper.cpp: In function 'int Dijkstra(int, int)':
skyscraper.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for(int j=0;j<kol[i].size();j++){
      |               ~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 70732 KB Output is correct
2 Correct 35 ms 70788 KB Output is correct
3 Correct 32 ms 70676 KB Output is correct
4 Correct 36 ms 70868 KB Output is correct
5 Correct 36 ms 70732 KB Output is correct
6 Correct 34 ms 70692 KB Output is correct
7 Correct 32 ms 70680 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 70732 KB Output is correct
2 Correct 36 ms 70788 KB Output is correct
3 Correct 35 ms 70724 KB Output is correct
4 Correct 34 ms 70728 KB Output is correct
5 Correct 33 ms 70732 KB Output is correct
6 Correct 33 ms 70808 KB Output is correct
7 Correct 37 ms 70788 KB Output is correct
8 Correct 33 ms 70732 KB Output is correct
9 Correct 32 ms 70828 KB Output is correct
10 Correct 38 ms 70860 KB Output is correct
11 Correct 37 ms 70892 KB Output is correct
12 Correct 36 ms 70876 KB Output is correct
13 Correct 32 ms 70848 KB Output is correct
14 Correct 33 ms 70924 KB Output is correct
15 Correct 35 ms 70860 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 70676 KB Output is correct
2 Correct 35 ms 70708 KB Output is correct
3 Correct 35 ms 70792 KB Output is correct
4 Correct 37 ms 70724 KB Output is correct
5 Correct 36 ms 70724 KB Output is correct
6 Correct 34 ms 70784 KB Output is correct
7 Correct 37 ms 70660 KB Output is correct
8 Correct 36 ms 70712 KB Output is correct
9 Correct 42 ms 70732 KB Output is correct
10 Correct 35 ms 70760 KB Output is correct
11 Correct 34 ms 70816 KB Output is correct
12 Correct 33 ms 70872 KB Output is correct
13 Correct 33 ms 70860 KB Output is correct
14 Correct 34 ms 70928 KB Output is correct
15 Correct 34 ms 70808 KB Output is correct
16 Correct 47 ms 70980 KB Output is correct
17 Correct 44 ms 72208 KB Output is correct
18 Correct 47 ms 75396 KB Output is correct
19 Correct 48 ms 76336 KB Output is correct
20 Correct 46 ms 76484 KB Output is correct
21 Correct 36 ms 71252 KB Output is correct
22 Correct 51 ms 75588 KB Output is correct
23 Correct 49 ms 74816 KB Output is correct
24 Correct 48 ms 76112 KB Output is correct
25 Correct 48 ms 76492 KB Output is correct
26 Correct 48 ms 76564 KB Output is correct
27 Correct 51 ms 76588 KB Output is correct
28 Correct 48 ms 76848 KB Output is correct
29 Correct 60 ms 76852 KB Output is correct
30 Correct 58 ms 76520 KB Output is correct
31 Correct 64 ms 76704 KB Output is correct
32 Correct 53 ms 76608 KB Output is correct
33 Correct 53 ms 77376 KB Output is correct
34 Correct 53 ms 77172 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 70732 KB Output is correct
2 Correct 37 ms 70732 KB Output is correct
3 Correct 33 ms 70760 KB Output is correct
4 Correct 34 ms 70724 KB Output is correct
5 Correct 33 ms 70740 KB Output is correct
6 Correct 34 ms 70724 KB Output is correct
7 Correct 34 ms 70732 KB Output is correct
8 Correct 34 ms 70780 KB Output is correct
9 Correct 34 ms 70708 KB Output is correct
10 Correct 33 ms 70812 KB Output is correct
11 Correct 35 ms 70876 KB Output is correct
12 Correct 36 ms 70820 KB Output is correct
13 Correct 43 ms 70808 KB Output is correct
14 Correct 35 ms 70852 KB Output is correct
15 Correct 36 ms 70924 KB Output is correct
16 Correct 41 ms 70924 KB Output is correct
17 Correct 39 ms 72140 KB Output is correct
18 Correct 50 ms 75420 KB Output is correct
19 Correct 51 ms 76452 KB Output is correct
20 Correct 52 ms 76484 KB Output is correct
21 Correct 51 ms 71244 KB Output is correct
22 Correct 48 ms 75596 KB Output is correct
23 Correct 42 ms 74828 KB Output is correct
24 Correct 50 ms 76072 KB Output is correct
25 Correct 54 ms 76572 KB Output is correct
26 Correct 65 ms 76524 KB Output is correct
27 Correct 50 ms 76616 KB Output is correct
28 Correct 51 ms 76876 KB Output is correct
29 Correct 50 ms 76848 KB Output is correct
30 Correct 49 ms 76488 KB Output is correct
31 Correct 49 ms 76652 KB Output is correct
32 Correct 60 ms 76672 KB Output is correct
33 Correct 54 ms 77384 KB Output is correct
34 Correct 57 ms 77124 KB Output is correct
35 Correct 61 ms 75076 KB Output is correct
36 Correct 42 ms 73220 KB Output is correct
37 Correct 61 ms 77852 KB Output is correct
38 Correct 59 ms 77888 KB Output is correct
39 Correct 58 ms 77576 KB Output is correct
40 Correct 58 ms 77640 KB Output is correct
41 Correct 58 ms 77920 KB Output is correct
42 Correct 54 ms 76848 KB Output is correct
43 Correct 54 ms 76852 KB Output is correct
44 Correct 53 ms 76892 KB Output is correct
45 Correct 72 ms 82220 KB Output is correct
46 Correct 64 ms 82116 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 70800 KB Output is correct
2 Correct 34 ms 70740 KB Output is correct
3 Correct 34 ms 70704 KB Output is correct
4 Correct 35 ms 70736 KB Output is correct
5 Correct 36 ms 70784 KB Output is correct
6 Correct 33 ms 70700 KB Output is correct
7 Correct 34 ms 70728 KB Output is correct
8 Correct 32 ms 70688 KB Output is correct
9 Correct 32 ms 70772 KB Output is correct
10 Correct 33 ms 70860 KB Output is correct
11 Correct 33 ms 70816 KB Output is correct
12 Correct 33 ms 70900 KB Output is correct
13 Correct 33 ms 70872 KB Output is correct
14 Correct 36 ms 70928 KB Output is correct
15 Correct 36 ms 70860 KB Output is correct
16 Correct 35 ms 70876 KB Output is correct
17 Correct 38 ms 72208 KB Output is correct
18 Correct 51 ms 75332 KB Output is correct
19 Correct 51 ms 76424 KB Output is correct
20 Correct 61 ms 76564 KB Output is correct
21 Correct 39 ms 71240 KB Output is correct
22 Correct 47 ms 75616 KB Output is correct
23 Correct 43 ms 74820 KB Output is correct
24 Correct 47 ms 76100 KB Output is correct
25 Correct 48 ms 76476 KB Output is correct
26 Correct 51 ms 76672 KB Output is correct
27 Correct 49 ms 76548 KB Output is correct
28 Correct 53 ms 76872 KB Output is correct
29 Correct 53 ms 76788 KB Output is correct
30 Correct 46 ms 76520 KB Output is correct
31 Correct 49 ms 76704 KB Output is correct
32 Correct 52 ms 76680 KB Output is correct
33 Correct 62 ms 77464 KB Output is correct
34 Correct 56 ms 77184 KB Output is correct
35 Correct 47 ms 75112 KB Output is correct
36 Correct 41 ms 73156 KB Output is correct
37 Correct 57 ms 77892 KB Output is correct
38 Correct 58 ms 77960 KB Output is correct
39 Correct 59 ms 77728 KB Output is correct
40 Correct 63 ms 77796 KB Output is correct
41 Correct 55 ms 77876 KB Output is correct
42 Correct 52 ms 76884 KB Output is correct
43 Correct 51 ms 76896 KB Output is correct
44 Correct 51 ms 76784 KB Output is correct
45 Correct 70 ms 82244 KB Output is correct
46 Correct 68 ms 82116 KB Output is correct
47 Runtime error 197 ms 215000 KB Execution killed with signal 11
48 Halted 0 ms 0 KB -