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Submission #208791

# Submission time Handle Problem Language Result Execution time Memory
208791 2020-03-12T07:53:35 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 88 ms 36644 KB 
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll MOD=1e9+7;
const ll N=3e4+5;
const ll INF=(1LL<<30);
const ld pi=3.14159265359;
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(a) (ll)a.size()
 
 
ll n,m,b[N],p[N],x,y,dis[N];
vector<ll> P[N],tmp;
vector<pll> v[N];
vector<vector<ll> > lis;
priority_queue<pll,vector<pll>,greater<pll> > pq;
 
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>m;
	REP(i,m){
		cin>>b[i]>>p[i];
		P[p[i]].pb(b[i]);
	}
	for(ll step=1;step<N;++step){
		if(!SZ(P[step]))continue;
		lis.clear();lis.resize(step);
		tmp.clear();
		for(auto i:P[step]){
			lis[i%step].pb(i);
			tmp.pb(i%step);
		}
		sort(tmp.begin(),tmp.end());
		tmp.resize(unique(tmp.begin(),tmp.end())-tmp.begin());
		for(auto i:tmp){
			//sort(lis[i].begin(),lis[i].end());
			for(ll j=1;j<SZ(lis[i]);++j){
				x=lis[i][j-1],y=lis[i][j];
				for(ll ii=x;ii<=y;ii+=step){
					if(ii!=x)v[x].pb(mp(ii,(ii-x)/step));
					if(ii!=y)v[y].pb(mp(ii,(y-ii)/step));
				}
			}
			for(ll ii=lis[i].back()+step;ii<n;ii+=step)x=lis[i].back(),v[x].pb(mp(ii,(ii-x)/step));
			for(ll ii=lis[i][0]-step;ii>=0;ii-=step)x=lis[i][0],v[x].pb(mp(ii,(x-ii)/step));
		}
	}
	REP(i,N)dis[i]=INF;
	pq.push(mp(dis[b[0]]=0,b[0]));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(dis[x]!=y)continue;
		for(auto j:v[x])if(dis[j.X]>dis[x]+j.Y)dis[j.X]=dis[x]+j.Y,pq.push(mp(dis[j.X],j.X));
	}
	cout<<(dis[b[1]]==INF?-1:dis[b[1]])<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 5 ms 1788 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1784 KB Output is correct
7 Correct 5 ms 1916 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1788 KB Output is correct
3 Correct 5 ms 1912 KB Output is correct
4 Correct 5 ms 1784 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 5 ms 1912 KB Output is correct
8 Correct 6 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 2040 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 2040 KB Output is correct
14 Correct 6 ms 1996 KB Output is correct
15 Correct 7 ms 1912 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 5 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1912 KB Output is correct
9 Correct 5 ms 1912 KB Output is correct
10 Correct 7 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 2040 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 7 ms 2168 KB Output is correct
18 Correct 8 ms 2040 KB Output is correct
19 Correct 7 ms 2040 KB Output is correct
20 Correct 32 ms 16376 KB Output is correct
21 Correct 8 ms 2040 KB Output is correct
22 Correct 8 ms 2040 KB Output is correct
23 Correct 8 ms 2040 KB Output is correct
24 Correct 13 ms 2284 KB Output is correct
25 Correct 11 ms 2168 KB Output is correct
26 Correct 6 ms 2040 KB Output is correct
27 Correct 7 ms 2168 KB Output is correct
28 Correct 7 ms 2168 KB Output is correct
29 Correct 9 ms 2680 KB Output is correct
30 Correct 7 ms 2172 KB Output is correct
31 Correct 8 ms 2296 KB Output is correct
32 Correct 7 ms 2168 KB Output is correct
33 Correct 11 ms 3448 KB Output is correct
34 Correct 12 ms 3448 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 5 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 5 ms 1912 KB Output is correct
8 Correct 5 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 2040 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 2040 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 7 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 7 ms 2168 KB Output is correct
18 Correct 8 ms 2040 KB Output is correct
19 Correct 7 ms 2040 KB Output is correct
20 Correct 32 ms 16376 KB Output is correct
21 Correct 9 ms 2040 KB Output is correct
22 Correct 8 ms 2040 KB Output is correct
23 Correct 10 ms 2156 KB Output is correct
24 Correct 11 ms 2168 KB Output is correct
25 Correct 11 ms 2168 KB Output is correct
26 Correct 7 ms 2040 KB Output is correct
27 Correct 7 ms 2168 KB Output is correct
28 Correct 7 ms 2168 KB Output is correct
29 Correct 9 ms 2680 KB Output is correct
30 Correct 7 ms 2168 KB Output is correct
31 Correct 7 ms 2296 KB Output is correct
32 Correct 7 ms 2168 KB Output is correct
33 Correct 12 ms 3448 KB Output is correct
34 Correct 11 ms 3448 KB Output is correct
35 Correct 24 ms 3576 KB Output is correct
36 Correct 13 ms 2296 KB Output is correct
37 Correct 19 ms 4604 KB Output is correct
38 Correct 26 ms 4344 KB Output is correct
39 Correct 25 ms 4344 KB Output is correct
40 Correct 27 ms 4472 KB Output is correct
41 Correct 25 ms 4344 KB Output is correct
42 Correct 13 ms 2640 KB Output is correct
43 Correct 13 ms 2644 KB Output is correct
44 Correct 88 ms 36644 KB Output is correct
45 Correct 25 ms 6904 KB Output is correct
46 Correct 26 ms 7032 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1784 KB Output is correct
2 Correct 5 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 5 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1784 KB Output is correct
7 Correct 5 ms 1912 KB Output is correct
8 Correct 5 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 2040 KB Output is correct
14 Correct 7 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 7 ms 2168 KB Output is correct
18 Correct 9 ms 2044 KB Output is correct
19 Correct 7 ms 2040 KB Output is correct
20 Correct 32 ms 16380 KB Output is correct
21 Correct 9 ms 2044 KB Output is correct
22 Correct 8 ms 2040 KB Output is correct
23 Correct 9 ms 2040 KB Output is correct
24 Correct 11 ms 2168 KB Output is correct
25 Correct 11 ms 2168 KB Output is correct
26 Correct 6 ms 2040 KB Output is correct
27 Correct 7 ms 2168 KB Output is correct
28 Correct 8 ms 2168 KB Output is correct
29 Correct 9 ms 2680 KB Output is correct
30 Correct 7 ms 2168 KB Output is correct
31 Correct 7 ms 2296 KB Output is correct
32 Correct 7 ms 2168 KB Output is correct
33 Correct 12 ms 3448 KB Output is correct
34 Correct 12 ms 3448 KB Output is correct
35 Correct 25 ms 3432 KB Output is correct
36 Correct 13 ms 2296 KB Output is correct
37 Correct 20 ms 4600 KB Output is correct
38 Correct 26 ms 4344 KB Output is correct
39 Correct 25 ms 4344 KB Output is correct
40 Correct 26 ms 4472 KB Output is correct
41 Correct 27 ms 4344 KB Output is correct
42 Correct 12 ms 2640 KB Output is correct
43 Correct 12 ms 2644 KB Output is correct
44 Correct 85 ms 36644 KB Output is correct
45 Correct 25 ms 6904 KB Output is correct
46 Correct 25 ms 7032 KB Output is correct
47 Incorrect 51 ms 11892 KB Output isn't correct
48 Halted 0 ms 0 KB -