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Submission #208755

# Submission time Handle Problem Language Result Execution time Memory
208755 2020-03-12T06:33:48 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 193 ms 262148 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],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 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

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1916 KB Output is correct
2 Correct 7 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1916 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 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 7 ms 2812 KB Output is correct
12 Correct 7 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

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 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 1912 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2424 KB Output is correct
10 Correct 7 ms 2656 KB Output is correct
11 Correct 7 ms 2808 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 6 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 12 ms 9720 KB Output is correct
18 Correct 7 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 62 ms 18168 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1916 KB Output is correct
23 Correct 17 ms 17656 KB Output is correct
24 Correct 24 ms 24312 KB Output is correct
25 Correct 23 ms 25336 KB Output is correct
26 Correct 20 ms 18936 KB Output is correct
27 Correct 19 ms 19960 KB Output is correct
28 Correct 22 ms 22264 KB Output is correct
29 Correct 19 ms 18680 KB Output is correct
30 Correct 18 ms 18424 KB Output is correct
31 Correct 19 ms 18680 KB Output is correct
32 Correct 19 ms 18808 KB Output is correct
33 Correct 21 ms 18936 KB Output is correct
34 Correct 22 ms 18936 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 1916 KB Output is correct
5 Correct 6 ms 1916 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 2168 KB Output is correct
9 Correct 7 ms 2296 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 7 ms 2808 KB Output is correct
12 Correct 7 ms 2808 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 7 ms 1912 KB Output is correct
17 Correct 12 ms 9720 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 60 ms 18044 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 19 ms 17784 KB Output is correct
24 Correct 23 ms 24312 KB Output is correct
25 Correct 23 ms 25336 KB Output is correct
26 Correct 18 ms 19064 KB Output is correct
27 Correct 19 ms 20088 KB Output is correct
28 Correct 26 ms 22136 KB Output is correct
29 Correct 20 ms 18680 KB Output is correct
30 Correct 18 ms 18424 KB Output is correct
31 Correct 20 ms 18680 KB Output is correct
32 Correct 18 ms 18684 KB Output is correct
33 Correct 22 ms 19064 KB Output is correct
34 Correct 22 ms 18936 KB Output is correct
35 Correct 30 ms 23672 KB Output is correct
36 Correct 18 ms 14968 KB Output is correct
37 Correct 38 ms 30968 KB Output is correct
38 Correct 43 ms 33656 KB Output is correct
39 Correct 41 ms 33528 KB Output is correct
40 Correct 41 ms 33660 KB Output is correct
41 Correct 41 ms 33656 KB Output is correct
42 Correct 23 ms 19448 KB Output is correct
43 Correct 23 ms 20472 KB Output is correct
44 Correct 64 ms 18552 KB Output is correct
45 Correct 38 ms 21880 KB Output is correct
46 Correct 37 ms 21752 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 5 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 7 ms 1916 KB Output is correct
7 Correct 5 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 7 ms 2808 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 7 ms 2680 KB Output is correct
14 Correct 6 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 12 ms 9720 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 18040 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 18 ms 17656 KB Output is correct
24 Correct 23 ms 24312 KB Output is correct
25 Correct 23 ms 25336 KB Output is correct
26 Correct 18 ms 18936 KB Output is correct
27 Correct 19 ms 20088 KB Output is correct
28 Correct 22 ms 22264 KB Output is correct
29 Correct 20 ms 18680 KB Output is correct
30 Correct 18 ms 18424 KB Output is correct
31 Correct 19 ms 18680 KB Output is correct
32 Correct 18 ms 18684 KB Output is correct
33 Correct 21 ms 18936 KB Output is correct
34 Correct 21 ms 18936 KB Output is correct
35 Correct 31 ms 23672 KB Output is correct
36 Correct 17 ms 14968 KB Output is correct
37 Correct 37 ms 30968 KB Output is correct
38 Correct 40 ms 33656 KB Output is correct
39 Correct 41 ms 33656 KB Output is correct
40 Correct 42 ms 33656 KB Output is correct
41 Correct 40 ms 33656 KB Output is correct
42 Correct 22 ms 19448 KB Output is correct
43 Correct 24 ms 20472 KB Output is correct
44 Correct 64 ms 18424 KB Output is correct
45 Correct 37 ms 21752 KB Output is correct
46 Correct 37 ms 21752 KB Output is correct
47 Correct 193 ms 196720 KB Output is correct
48 Correct 12 ms 2552 KB Output is correct
49 Correct 13 ms 2552 KB Output is correct
50 Correct 10 ms 2424 KB Output is correct
51 Runtime error 188 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
52 Halted 0 ms 0 KB -