Submission #208748

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
208748	2020-03-12T06:18:12 Z	YJU	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	285 ms	216824 KB

skyscraper

#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 R=2e3+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<30);
#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],vis[N],ti,x,y,dis[N],ch[N][R];
vector<ll> v[N];
vector<pll> ed[N];
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];
		v[b[i]].pb(p[i]);
	}
	REP(i,N)sort(v[i].rbegin(),v[i].rend()),v[i].resize(unique(v[i].begin(),v[i].end())-v[i].begin());
	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;
		++ti;
		for(ll step:v[x]){
			for(ll j=x+step,tt=1;j<n;j+=step,++tt){
				if(step<R&&ch[j][step])break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=1;
				vis[j]=ti;
				if(tt+dis[x]<dis[j])pq.push(mp(dis[j]=tt+dis[x],j));
			}
			for(ll j=x-step,tt=1;j>=0;j-=step,++tt){
				if(step<R&&ch[j][step])break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=1;
				vis[j]=ti;
				if(tt+dis[x]<dis[j])pq.push(mp(dis[j]=tt+dis[x],j));
			}
		}
		//if(dis[b[1]]!=INF){cout<<dis[b[1]]<<"\n";return 0;}
	}
	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	5 ms	1912 KB	Output is correct
3	Correct	6 ms	1912 KB	Output is correct
4	Correct	7 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	6 ms	1912 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	1916 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	7 ms	2168 KB	Output is correct
9	Correct	6 ms	2168 KB	Output is correct
10	Correct	6 ms	2296 KB	Output is correct
11	Correct	6 ms	2296 KB	Output is correct
12	Correct	6 ms	2296 KB	Output is correct
13	Correct	6 ms	2296 KB	Output is correct
14	Correct	6 ms	2296 KB	Output is correct
15	Correct	6 ms	2296 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 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	5 ms	1912 KB	Output is correct
6	Correct	6 ms	1912 KB	Output is correct
7	Correct	6 ms	2040 KB	Output is correct
8	Correct	6 ms	2040 KB	Output is correct
9	Correct	6 ms	2168 KB	Output is correct
10	Correct	6 ms	2296 KB	Output is correct
11	Correct	6 ms	2296 KB	Output is correct
12	Correct	6 ms	2296 KB	Output is correct
13	Correct	6 ms	2296 KB	Output is correct
14	Correct	6 ms	2296 KB	Output is correct
15	Correct	7 ms	2296 KB	Output is correct
16	Correct	6 ms	1912 KB	Output is correct
17	Correct	9 ms	5752 KB	Output is correct
18	Correct	6 ms	1912 KB	Output is correct
19	Correct	6 ms	1912 KB	Output is correct
20	Correct	14 ms	10104 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	1912 KB	Output is correct
23	Correct	10 ms	9848 KB	Output is correct
24	Correct	15 ms	13176 KB	Output is correct
25	Correct	15 ms	13688 KB	Output is correct
26	Correct	12 ms	10488 KB	Output is correct
27	Correct	12 ms	11000 KB	Output is correct
28	Correct	13 ms	12024 KB	Output is correct
29	Correct	13 ms	10360 KB	Output is correct
30	Correct	12 ms	10104 KB	Output is correct
31	Correct	13 ms	10360 KB	Output is correct
32	Correct	12 ms	10360 KB	Output is correct
33	Correct	14 ms	10488 KB	Output is correct
34	Correct	14 ms	10488 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	1908 KB	Output is correct
2	Correct	6 ms	1912 KB	Output is correct
3	Correct	7 ms	1912 KB	Output is correct
4	Correct	6 ms	1912 KB	Output is correct
5	Correct	7 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	2044 KB	Output is correct
9	Correct	6 ms	2040 KB	Output is correct
10	Correct	6 ms	2296 KB	Output is correct
11	Correct	6 ms	2296 KB	Output is correct
12	Correct	6 ms	2296 KB	Output is correct
13	Correct	6 ms	2296 KB	Output is correct
14	Correct	6 ms	2296 KB	Output is correct
15	Correct	7 ms	2296 KB	Output is correct
16	Correct	6 ms	1912 KB	Output is correct
17	Correct	9 ms	5752 KB	Output is correct
18	Correct	6 ms	1912 KB	Output is correct
19	Correct	6 ms	1912 KB	Output is correct
20	Correct	11 ms	10104 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	1912 KB	Output is correct
23	Correct	12 ms	9848 KB	Output is correct
24	Correct	15 ms	13180 KB	Output is correct
25	Correct	15 ms	13688 KB	Output is correct
26	Correct	12 ms	10488 KB	Output is correct
27	Correct	12 ms	11000 KB	Output is correct
28	Correct	14 ms	12024 KB	Output is correct
29	Correct	13 ms	10320 KB	Output is correct
30	Correct	12 ms	10104 KB	Output is correct
31	Correct	12 ms	10360 KB	Output is correct
32	Correct	12 ms	10360 KB	Output is correct
33	Correct	13 ms	10488 KB	Output is correct
34	Correct	14 ms	10488 KB	Output is correct
35	Correct	21 ms	13048 KB	Output is correct
36	Correct	12 ms	8440 KB	Output is correct
37	Correct	25 ms	16632 KB	Output is correct
38	Correct	28 ms	18040 KB	Output is correct
39	Correct	26 ms	18040 KB	Output is correct
40	Correct	28 ms	18040 KB	Output is correct
41	Correct	28 ms	18040 KB	Output is correct
42	Correct	16 ms	10872 KB	Output is correct
43	Correct	17 ms	11384 KB	Output is correct
44	Correct	17 ms	10616 KB	Output is correct
45	Correct	24 ms	12024 KB	Output is correct
46	Correct	24 ms	12024 KB	Output is correct

Subtask #5
43.0 / 43.0

#	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	5 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	5 ms	1912 KB	Output is correct
8	Correct	6 ms	1964 KB	Output is correct
9	Correct	6 ms	2040 KB	Output is correct
10	Correct	6 ms	2296 KB	Output is correct
11	Correct	7 ms	2296 KB	Output is correct
12	Correct	6 ms	2296 KB	Output is correct
13	Correct	6 ms	2296 KB	Output is correct
14	Correct	6 ms	2296 KB	Output is correct
15	Correct	7 ms	2296 KB	Output is correct
16	Correct	6 ms	1912 KB	Output is correct
17	Correct	9 ms	5752 KB	Output is correct
18	Correct	6 ms	1912 KB	Output is correct
19	Correct	6 ms	1912 KB	Output is correct
20	Correct	15 ms	9976 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	1912 KB	Output is correct
23	Correct	12 ms	9848 KB	Output is correct
24	Correct	15 ms	13180 KB	Output is correct
25	Correct	15 ms	13688 KB	Output is correct
26	Correct	13 ms	10488 KB	Output is correct
27	Correct	12 ms	11000 KB	Output is correct
28	Correct	14 ms	12152 KB	Output is correct
29	Correct	13 ms	10360 KB	Output is correct
30	Correct	12 ms	10104 KB	Output is correct
31	Correct	12 ms	10360 KB	Output is correct
32	Correct	12 ms	10360 KB	Output is correct
33	Correct	15 ms	10488 KB	Output is correct
34	Correct	14 ms	10488 KB	Output is correct
35	Correct	21 ms	13048 KB	Output is correct
36	Correct	13 ms	8568 KB	Output is correct
37	Correct	25 ms	16632 KB	Output is correct
38	Correct	29 ms	18040 KB	Output is correct
39	Correct	27 ms	18096 KB	Output is correct
40	Correct	27 ms	18040 KB	Output is correct
41	Correct	26 ms	18040 KB	Output is correct
42	Correct	17 ms	10872 KB	Output is correct
43	Correct	17 ms	11384 KB	Output is correct
44	Correct	17 ms	10360 KB	Output is correct
45	Correct	22 ms	12024 KB	Output is correct
46	Correct	24 ms	12024 KB	Output is correct
47	Correct	104 ms	99848 KB	Output is correct
48	Correct	13 ms	2552 KB	Output is correct
49	Correct	13 ms	2552 KB	Output is correct
50	Correct	11 ms	2424 KB	Output is correct
51	Correct	176 ms	203248 KB	Output is correct
52	Correct	174 ms	204016 KB	Output is correct
53	Correct	102 ms	124020 KB	Output is correct
54	Correct	45 ms	62712 KB	Output is correct
55	Correct	59 ms	82680 KB	Output is correct
56	Correct	94 ms	124024 KB	Output is correct
57	Correct	132 ms	130152 KB	Output is correct
58	Correct	91 ms	123896 KB	Output is correct
59	Correct	94 ms	125432 KB	Output is correct
60	Correct	103 ms	138360 KB	Output is correct
61	Correct	106 ms	144396 KB	Output is correct
62	Correct	174 ms	216824 KB	Output is correct
63	Correct	216 ms	188524 KB	Output is correct
64	Correct	217 ms	170324 KB	Output is correct
65	Correct	236 ms	160356 KB	Output is correct
66	Correct	285 ms	152172 KB	Output is correct
67	Correct	285 ms	152300 KB	Output is correct

Submission #208748

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0