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Submission #208754

# Submission time Handle Problem Language Result Execution time Memory
208754 2020-03-12T06:33:01 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 239608 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=1e3+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],vv[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]<=tt&&vv[j][step]!=0)break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=(vv[j][step]?min(ch[j][step],tt):tt);
				vv[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]<=tt&&vv[j][step]!=0)break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=(vv[j][step]?min(ch[j][step],tt):tt);
				vv[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 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 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 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 7 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2296 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 6 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 7 ms 2680 KB Output is correct
14 Correct 7 ms 2680 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 6 ms 2040 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
8 Correct 6 ms 2212 KB Output is correct
9 Correct 6 ms 2296 KB Output is correct
10 Correct 7 ms 2680 KB Output is correct
11 Correct 6 ms 2680 KB Output is correct
12 Correct 8 ms 2684 KB Output is correct
13 Correct 8 ms 2680 KB Output is correct
14 Correct 7 ms 2680 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 11 ms 7800 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 59 ms 17780 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 15 ms 14200 KB Output is correct
24 Correct 18 ms 16888 KB Output is correct
25 Correct 18 ms 16888 KB Output is correct
26 Correct 18 ms 17656 KB Output is correct
27 Correct 18 ms 17656 KB Output is correct
28 Correct 18 ms 17656 KB Output is correct
29 Correct 19 ms 17784 KB Output is correct
30 Correct 18 ms 17656 KB Output is correct
31 Correct 19 ms 17784 KB Output is correct
32 Correct 21 ms 17784 KB Output is correct
33 Correct 21 ms 17784 KB Output is correct
34 Correct 20 ms 17784 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 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 6 ms 1912 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2300 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 7 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 8 ms 2680 KB Output is correct
15 Correct 7 ms 2680 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 11 ms 7800 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 59 ms 17656 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 15 ms 14200 KB Output is correct
24 Correct 17 ms 16888 KB Output is correct
25 Correct 17 ms 16888 KB Output is correct
26 Correct 17 ms 17656 KB Output is correct
27 Correct 17 ms 17656 KB Output is correct
28 Correct 18 ms 17660 KB Output is correct
29 Correct 20 ms 17908 KB Output is correct
30 Correct 17 ms 17656 KB Output is correct
31 Correct 19 ms 17912 KB Output is correct
32 Correct 18 ms 17784 KB Output is correct
33 Correct 21 ms 17784 KB Output is correct
34 Correct 20 ms 17784 KB Output is correct
35 Correct 22 ms 13688 KB Output is correct
36 Correct 14 ms 10616 KB Output is correct
37 Correct 27 ms 17528 KB Output is correct
38 Correct 28 ms 18168 KB Output is correct
39 Correct 29 ms 18168 KB Output is correct
40 Correct 29 ms 18172 KB Output is correct
41 Correct 29 ms 18168 KB Output is correct
42 Correct 25 ms 18040 KB Output is correct
43 Correct 21 ms 18040 KB Output is correct
44 Correct 62 ms 18044 KB Output is correct
45 Correct 33 ms 18168 KB Output is correct
46 Correct 34 ms 18168 KB Output is correct

Subtask #5
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 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 6 ms 1912 KB Output is correct
8 Correct 6 ms 2172 KB Output is correct
9 Correct 6 ms 2296 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 7 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 7 ms 2680 KB Output is correct
14 Correct 7 ms 2680 KB Output is correct
15 Correct 7 ms 2680 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 11 ms 7800 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 58 ms 17784 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 15 ms 14200 KB Output is correct
24 Correct 17 ms 16888 KB Output is correct
25 Correct 17 ms 16888 KB Output is correct
26 Correct 17 ms 17656 KB Output is correct
27 Correct 17 ms 17656 KB Output is correct
28 Correct 18 ms 17656 KB Output is correct
29 Correct 19 ms 17784 KB Output is correct
30 Correct 18 ms 17656 KB Output is correct
31 Correct 18 ms 17784 KB Output is correct
32 Correct 18 ms 17784 KB Output is correct
33 Correct 21 ms 17784 KB Output is correct
34 Correct 21 ms 17788 KB Output is correct
35 Correct 23 ms 13688 KB Output is correct
36 Correct 13 ms 10616 KB Output is correct
37 Correct 29 ms 17656 KB Output is correct
38 Correct 28 ms 18168 KB Output is correct
39 Correct 30 ms 18168 KB Output is correct
40 Correct 28 ms 18168 KB Output is correct
41 Correct 28 ms 18168 KB Output is correct
42 Correct 23 ms 18040 KB Output is correct
43 Correct 22 ms 18168 KB Output is correct
44 Correct 66 ms 18168 KB Output is correct
45 Correct 33 ms 18168 KB Output is correct
46 Correct 32 ms 18168 KB Output is correct
47 Correct 105 ms 100212 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 2296 KB Output is correct
51 Correct 202 ms 238552 KB Output is correct
52 Correct 210 ms 239088 KB Output is correct
53 Correct 122 ms 161524 KB Output is correct
54 Correct 95 ms 122616 KB Output is correct
55 Correct 114 ms 161272 KB Output is correct
56 Execution timed out 1110 ms 239608 KB Time limit exceeded
57 Halted 0 ms 0 KB -