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Submission #208790

# Submission time Handle Problem Language Result Execution time Memory
208790 2020-03-12T07:52:11 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 72448 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){
					v[x].pb(mp(ii,(ii-x)/step));
					v[y].pb(mp(ii,(y-ii)/step));
				}
			}
			for(ll ii=lis[i].back();ii<N;ii+=step)x=lis[i].back(),v[x].pb(mp(ii,(ii-x)/step));
			for(ll ii=lis[i][0];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 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 7 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 2552 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 6 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 9 ms 2552 KB Output is correct
8 Correct 12 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 38 ms 7208 KB Output is correct
11 Correct 55 ms 15460 KB Output is correct
12 Correct 17 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 98 ms 22876 KB Output is correct
15 Correct 96 ms 22996 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 10 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 35 ms 7208 KB Output is correct
11 Correct 57 ms 15460 KB Output is correct
12 Correct 17 ms 3456 KB Output is correct
13 Correct 10 ms 2580 KB Output is correct
14 Correct 98 ms 22876 KB Output is correct
15 Correct 99 ms 23004 KB Output is correct
16 Correct 15 ms 7284 KB Output is correct
17 Correct 38 ms 8952 KB Output is correct
18 Correct 11 ms 3320 KB Output is correct
19 Correct 8 ms 2808 KB Output is correct
20 Correct 10 ms 2680 KB Output is correct
21 Correct 11 ms 3448 KB Output is correct
22 Correct 9 ms 3064 KB Output is correct
23 Correct 21 ms 3992 KB Output is correct
24 Correct 26 ms 4760 KB Output is correct
25 Correct 21 ms 3636 KB Output is correct
26 Correct 19 ms 3704 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 18 ms 5496 KB Output is correct
29 Correct 57 ms 11884 KB Output is correct
30 Correct 25 ms 5764 KB Output is correct
31 Correct 31 ms 7636 KB Output is correct
32 Correct 25 ms 6144 KB Output is correct
33 Correct 97 ms 22868 KB Output is correct
34 Correct 102 ms 22740 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 2968 KB Output is correct
6 Correct 13 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 7212 KB Output is correct
11 Correct 54 ms 15488 KB Output is correct
12 Correct 16 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 95 ms 23004 KB Output is correct
15 Correct 96 ms 23004 KB Output is correct
16 Correct 17 ms 7156 KB Output is correct
17 Correct 39 ms 8952 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 2680 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 3992 KB Output is correct
24 Correct 26 ms 4932 KB Output is correct
25 Correct 21 ms 3636 KB Output is correct
26 Correct 27 ms 3580 KB Output is correct
27 Correct 18 ms 3720 KB Output is correct
28 Correct 18 ms 5496 KB Output is correct
29 Correct 59 ms 11884 KB Output is correct
30 Correct 25 ms 5764 KB Output is correct
31 Correct 32 ms 7636 KB Output is correct
32 Correct 25 ms 6144 KB Output is correct
33 Correct 101 ms 22900 KB Output is correct
34 Correct 97 ms 22740 KB Output is correct
35 Correct 89 ms 27012 KB Output is correct
36 Correct 40 ms 8208 KB Output is correct
37 Correct 91 ms 31504 KB Output is correct
38 Correct 102 ms 31092 KB Output is correct
39 Correct 111 ms 30836 KB Output is correct
40 Correct 118 ms 30580 KB Output is correct
41 Correct 101 ms 31096 KB Output is correct
42 Correct 27 ms 4596 KB Output is correct
43 Correct 26 ms 4592 KB Output is correct
44 Correct 16 ms 3764 KB Output is correct
45 Correct 236 ms 72388 KB Output is correct
46 Correct 226 ms 72396 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 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 2956 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 35 ms 7208 KB Output is correct
11 Correct 53 ms 15460 KB Output is correct
12 Correct 17 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 97 ms 22876 KB Output is correct
15 Correct 96 ms 23004 KB Output is correct
16 Correct 15 ms 7152 KB Output is correct
17 Correct 41 ms 8948 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 15 ms 2808 KB Output is correct
20 Correct 10 ms 2552 KB Output is correct
21 Correct 12 ms 3448 KB Output is correct
22 Correct 10 ms 3068 KB Output is correct
23 Correct 20 ms 3992 KB Output is correct
24 Correct 27 ms 4764 KB Output is correct
25 Correct 22 ms 3764 KB Output is correct
26 Correct 20 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 57 ms 11884 KB Output is correct
30 Correct 25 ms 5764 KB Output is correct
31 Correct 32 ms 7636 KB Output is correct
32 Correct 24 ms 6144 KB Output is correct
33 Correct 97 ms 22868 KB Output is correct
34 Correct 97 ms 22740 KB Output is correct
35 Correct 85 ms 27032 KB Output is correct
36 Correct 40 ms 8340 KB Output is correct
37 Correct 92 ms 31508 KB Output is correct
38 Correct 99 ms 31220 KB Output is correct
39 Correct 92 ms 30864 KB Output is correct
40 Correct 96 ms 30500 KB Output is correct
41 Correct 101 ms 31096 KB Output is correct
42 Correct 27 ms 4600 KB Output is correct
43 Correct 24 ms 4592 KB Output is correct
44 Correct 19 ms 3764 KB Output is correct
45 Correct 223 ms 72396 KB Output is correct
46 Correct 231 ms 72448 KB Output is correct
47 Correct 88 ms 23932 KB Output is correct
48 Execution timed out 1083 ms 8232 KB Time limit exceeded
49 Halted 0 ms 0 KB -