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Submission #208797

# Submission time Handle Problem Language Result Execution time Memory
208797 2020-03-12T07:58:37 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 71272 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)pq.push(mp(dis[j.X]=dis[x]+j.Y,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 10 ms 2552 KB Output is correct
2 Correct 9 ms 2428 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2044 KB Output is correct
5 Correct 12 ms 2968 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2420 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2552 KB Output is correct
2 Correct 9 ms 2552 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 12 ms 2844 KB Output is correct
6 Correct 12 ms 2932 KB Output is correct
7 Correct 9 ms 2424 KB Output is correct
8 Correct 14 ms 3072 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 35 ms 7180 KB Output is correct
11 Correct 53 ms 15332 KB Output is correct
12 Correct 17 ms 3332 KB Output is correct
13 Correct 10 ms 2560 KB Output is correct
14 Correct 95 ms 22876 KB Output is correct
15 Correct 98 ms 23004 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2676 KB Output is correct
2 Correct 9 ms 2552 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 12 ms 2968 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2552 KB Output is correct
8 Correct 14 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 36 ms 7176 KB Output is correct
11 Correct 56 ms 15416 KB Output is correct
12 Correct 17 ms 3332 KB Output is correct
13 Correct 9 ms 2560 KB Output is correct
14 Correct 95 ms 22876 KB Output is correct
15 Correct 97 ms 23004 KB Output is correct
16 Correct 15 ms 7156 KB Output is correct
17 Correct 40 ms 8956 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 9 ms 2548 KB Output is correct
21 Correct 11 ms 3448 KB Output is correct
22 Correct 10 ms 3064 KB Output is correct
23 Correct 20 ms 3896 KB Output is correct
24 Correct 27 ms 4760 KB Output is correct
25 Correct 23 ms 3572 KB Output is correct
26 Correct 21 ms 3580 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 18 ms 5496 KB Output is correct
29 Correct 61 ms 12168 KB Output is correct
30 Correct 29 ms 5756 KB Output is correct
31 Correct 32 ms 7496 KB Output is correct
32 Correct 25 ms 6136 KB Output is correct
33 Correct 98 ms 22740 KB Output is correct
34 Correct 96 ms 22740 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2676 KB Output is correct
2 Correct 9 ms 2552 KB Output is correct
3 Correct 8 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 13 ms 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 10 ms 2552 KB Output is correct
8 Correct 14 ms 2940 KB Output is correct
9 Correct 19 ms 3572 KB Output is correct
10 Correct 36 ms 7176 KB Output is correct
11 Correct 58 ms 15460 KB Output is correct
12 Correct 18 ms 3332 KB Output is correct
13 Correct 10 ms 2560 KB Output is correct
14 Correct 104 ms 22876 KB Output is correct
15 Correct 99 ms 23004 KB Output is correct
16 Correct 16 ms 7156 KB Output is correct
17 Correct 40 ms 9084 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 10 ms 2808 KB Output is correct
20 Correct 10 ms 2548 KB Output is correct
21 Correct 14 ms 3448 KB Output is correct
22 Correct 12 ms 3064 KB Output is correct
23 Correct 21 ms 4024 KB Output is correct
24 Correct 28 ms 4760 KB Output is correct
25 Correct 24 ms 3576 KB Output is correct
26 Correct 20 ms 3580 KB Output is correct
27 Correct 20 ms 3716 KB Output is correct
28 Correct 19 ms 5496 KB Output is correct
29 Correct 58 ms 12040 KB Output is correct
30 Correct 25 ms 5756 KB Output is correct
31 Correct 33 ms 7576 KB Output is correct
32 Correct 25 ms 6140 KB Output is correct
33 Correct 99 ms 22740 KB Output is correct
34 Correct 99 ms 22744 KB Output is correct
35 Correct 85 ms 26680 KB Output is correct
36 Correct 39 ms 8112 KB Output is correct
37 Correct 93 ms 31728 KB Output is correct
38 Correct 93 ms 30388 KB Output is correct
39 Correct 91 ms 30448 KB Output is correct
40 Correct 94 ms 29684 KB Output is correct
41 Correct 98 ms 30232 KB Output is correct
42 Correct 26 ms 4116 KB Output is correct
43 Correct 25 ms 4156 KB Output is correct
44 Correct 15 ms 3188 KB Output is correct
45 Correct 224 ms 71268 KB Output is correct
46 Correct 226 ms 71272 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2552 KB Output is correct
2 Correct 9 ms 2556 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2044 KB Output is correct
5 Correct 12 ms 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2552 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 17 ms 3572 KB Output is correct
10 Correct 35 ms 7180 KB Output is correct
11 Correct 54 ms 15332 KB Output is correct
12 Correct 17 ms 3332 KB Output is correct
13 Correct 9 ms 2560 KB Output is correct
14 Correct 95 ms 22876 KB Output is correct
15 Correct 100 ms 23004 KB Output is correct
16 Correct 15 ms 7156 KB Output is correct
17 Correct 38 ms 8960 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 9 ms 2548 KB Output is correct
21 Correct 12 ms 3448 KB Output is correct
22 Correct 10 ms 3064 KB Output is correct
23 Correct 20 ms 3896 KB Output is correct
24 Correct 27 ms 4760 KB Output is correct
25 Correct 22 ms 3576 KB Output is correct
26 Correct 19 ms 3580 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 18 ms 5492 KB Output is correct
29 Correct 57 ms 12040 KB Output is correct
30 Correct 25 ms 5760 KB Output is correct
31 Correct 52 ms 7580 KB Output is correct
32 Correct 26 ms 6136 KB Output is correct
33 Correct 95 ms 22740 KB Output is correct
34 Correct 97 ms 22740 KB Output is correct
35 Correct 84 ms 26804 KB Output is correct
36 Correct 39 ms 8112 KB Output is correct
37 Correct 90 ms 31600 KB Output is correct
38 Correct 92 ms 30388 KB Output is correct
39 Correct 95 ms 30452 KB Output is correct
40 Correct 95 ms 29684 KB Output is correct
41 Correct 98 ms 30104 KB Output is correct
42 Correct 25 ms 4120 KB Output is correct
43 Correct 24 ms 4156 KB Output is correct
44 Correct 16 ms 3188 KB Output is correct
45 Correct 216 ms 71148 KB Output is correct
46 Correct 220 ms 71148 KB Output is correct
47 Correct 87 ms 23444 KB Output is correct
48 Execution timed out 1089 ms 7300 KB Time limit exceeded
49 Halted 0 ms 0 KB -