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답안 #208748

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208748 2020-03-12T06:18:12 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 285 ms 216824 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 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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