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Submission #208804

# Submission time Handle Problem Language Result Execution time Memory
208804 2020-03-12T08:02:45 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 71340 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();
		sort(P[step].begin(),P[step].end());
		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(ll 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(pll 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 9 ms 2552 KB Output is correct
2 Correct 9 ms 2552 KB Output is correct
3 Correct 6 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 11 ms 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2424 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 2424 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 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2424 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 17 ms 3572 KB Output is correct
10 Correct 37 ms 7176 KB Output is correct
11 Correct 54 ms 15332 KB Output is correct
12 Correct 16 ms 3332 KB Output is correct
13 Correct 10 ms 2564 KB Output is correct
14 Correct 96 ms 22876 KB Output is correct
15 Correct 97 ms 23004 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2552 KB Output is correct
2 Correct 11 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 2836 KB Output is correct
6 Correct 11 ms 2940 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 38 ms 7176 KB Output is correct
11 Correct 59 ms 15360 KB Output is correct
12 Correct 17 ms 3332 KB Output is correct
13 Correct 9 ms 2560 KB Output is correct
14 Correct 96 ms 22876 KB Output is correct
15 Correct 96 ms 23004 KB Output is correct
16 Correct 16 ms 7156 KB Output is correct
17 Correct 41 ms 8956 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 10 ms 2808 KB Output is correct
20 Correct 11 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 21 ms 3572 KB Output is correct
26 Correct 20 ms 3580 KB Output is correct
27 Correct 19 ms 3716 KB Output is correct
28 Correct 19 ms 5496 KB Output is correct
29 Correct 58 ms 12196 KB Output is correct
30 Correct 25 ms 5756 KB Output is correct
31 Correct 32 ms 7576 KB Output is correct
32 Correct 26 ms 6136 KB Output is correct
33 Correct 99 ms 22740 KB Output is correct
34 Correct 110 ms 22740 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2680 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 2424 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 37 ms 7180 KB Output is correct
11 Correct 54 ms 15332 KB Output is correct
12 Correct 17 ms 3460 KB Output is correct
13 Correct 9 ms 2560 KB Output is correct
14 Correct 96 ms 22876 KB Output is correct
15 Correct 98 ms 23004 KB Output is correct
16 Correct 15 ms 7156 KB Output is correct
17 Correct 39 ms 9088 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 9 ms 2812 KB Output is correct
20 Correct 10 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 23 ms 4152 KB Output is correct
24 Correct 28 ms 4764 KB Output is correct
25 Correct 21 ms 3568 KB Output is correct
26 Correct 20 ms 3584 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 18 ms 5496 KB Output is correct
29 Correct 59 ms 12296 KB Output is correct
30 Correct 25 ms 5756 KB Output is correct
31 Correct 34 ms 7576 KB Output is correct
32 Correct 25 ms 6136 KB Output is correct
33 Correct 95 ms 22740 KB Output is correct
34 Correct 96 ms 22740 KB Output is correct
35 Correct 90 ms 26680 KB Output is correct
36 Correct 39 ms 8112 KB Output is correct
37 Correct 90 ms 31728 KB Output is correct
38 Correct 94 ms 30364 KB Output is correct
39 Correct 91 ms 30452 KB Output is correct
40 Correct 97 ms 29880 KB Output is correct
41 Correct 98 ms 30108 KB Output is correct
42 Correct 28 ms 4244 KB Output is correct
43 Correct 33 ms 4156 KB Output is correct
44 Correct 16 ms 3192 KB Output is correct
45 Correct 223 ms 71148 KB Output is correct
46 Correct 227 ms 71144 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2556 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 2964 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 10 ms 2552 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 35 ms 7176 KB Output is correct
11 Correct 55 ms 15332 KB Output is correct
12 Correct 17 ms 3332 KB Output is correct
13 Correct 10 ms 2688 KB Output is correct
14 Correct 96 ms 22876 KB Output is correct
15 Correct 102 ms 23004 KB Output is correct
16 Correct 15 ms 7156 KB Output is correct
17 Correct 39 ms 8960 KB Output is correct
18 Correct 21 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 10 ms 2552 KB Output is correct
21 Correct 11 ms 3448 KB Output is correct
22 Correct 9 ms 3064 KB Output is correct
23 Correct 22 ms 3896 KB Output is correct
24 Correct 26 ms 4760 KB Output is correct
25 Correct 21 ms 3572 KB Output is correct
26 Correct 21 ms 3580 KB Output is correct
27 Correct 18 ms 3712 KB Output is correct
28 Correct 17 ms 5496 KB Output is correct
29 Correct 58 ms 12164 KB Output is correct
30 Correct 26 ms 5756 KB Output is correct
31 Correct 32 ms 7576 KB Output is correct
32 Correct 26 ms 6136 KB Output is correct
33 Correct 98 ms 22740 KB Output is correct
34 Correct 97 ms 22740 KB Output is correct
35 Correct 84 ms 26680 KB Output is correct
36 Correct 40 ms 8244 KB Output is correct
37 Correct 92 ms 31728 KB Output is correct
38 Correct 98 ms 30388 KB Output is correct
39 Correct 100 ms 30468 KB Output is correct
40 Correct 97 ms 29876 KB Output is correct
41 Correct 99 ms 30236 KB Output is correct
42 Correct 25 ms 4116 KB Output is correct
43 Correct 24 ms 4156 KB Output is correct
44 Correct 15 ms 3188 KB Output is correct
45 Correct 221 ms 71144 KB Output is correct
46 Correct 219 ms 71340 KB Output is correct
47 Correct 87 ms 23316 KB Output is correct
48 Execution timed out 1096 ms 7508 KB Time limit exceeded
49 Halted 0 ms 0 KB -