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Submission #208750

# Submission time Handle Problem Language Result Execution time Memory
208750 2020-03-12T06:20:12 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 4080 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

# 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 6 ms 1912 KB Output is correct
6 Correct 6 ms 1916 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 5 ms 1912 KB Output is correct
6 Correct 6 ms 1916 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1916 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 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 2040 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 1912 KB Output is correct
9 Correct 5 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1916 KB Output is correct
12 Correct 6 ms 1916 KB Output is correct
13 Correct 6 ms 2040 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 7 ms 2040 KB Output is correct
20 Correct 11 ms 2040 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 7 ms 2040 KB Output is correct
25 Correct 7 ms 2040 KB Output is correct
26 Correct 7 ms 1912 KB Output is correct
27 Correct 6 ms 1916 KB Output is correct
28 Correct 6 ms 2040 KB Output is correct
29 Correct 7 ms 2040 KB Output is correct
30 Correct 6 ms 2040 KB Output is correct
31 Correct 7 ms 2040 KB Output is correct
32 Correct 6 ms 2040 KB Output is correct
33 Correct 7 ms 2040 KB Output is correct
34 Correct 7 ms 2040 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 1916 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 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 7 ms 1916 KB Output is correct
20 Correct 11 ms 2040 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 7 ms 2040 KB Output is correct
25 Correct 7 ms 2040 KB Output is correct
26 Correct 6 ms 1912 KB Output is correct
27 Correct 6 ms 1912 KB Output is correct
28 Correct 6 ms 2040 KB Output is correct
29 Correct 7 ms 2040 KB Output is correct
30 Correct 6 ms 2040 KB Output is correct
31 Correct 7 ms 2040 KB Output is correct
32 Correct 6 ms 2040 KB Output is correct
33 Correct 8 ms 2040 KB Output is correct
34 Correct 7 ms 2040 KB Output is correct
35 Correct 13 ms 2552 KB Output is correct
36 Correct 7 ms 2040 KB Output is correct
37 Correct 12 ms 2424 KB Output is correct
38 Correct 14 ms 2552 KB Output is correct
39 Correct 15 ms 2552 KB Output is correct
40 Correct 17 ms 2552 KB Output is correct
41 Correct 17 ms 2580 KB Output is correct
42 Correct 11 ms 2424 KB Output is correct
43 Correct 11 ms 2552 KB Output is correct
44 Correct 16 ms 2552 KB Output is correct
45 Correct 15 ms 2552 KB Output is correct
46 Correct 14 ms 2552 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 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
8 Correct 6 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 7 ms 2040 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 6 ms 1912 KB Output is correct
20 Correct 12 ms 2040 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 6 ms 1912 KB Output is correct
25 Correct 7 ms 2040 KB Output is correct
26 Correct 10 ms 1912 KB Output is correct
27 Correct 6 ms 1912 KB Output is correct
28 Correct 6 ms 2040 KB Output is correct
29 Correct 7 ms 2040 KB Output is correct
30 Correct 6 ms 2040 KB Output is correct
31 Correct 7 ms 2040 KB Output is correct
32 Correct 7 ms 2040 KB Output is correct
33 Correct 7 ms 2040 KB Output is correct
34 Correct 9 ms 2168 KB Output is correct
35 Correct 14 ms 2428 KB Output is correct
36 Correct 8 ms 2040 KB Output is correct
37 Correct 11 ms 2428 KB Output is correct
38 Correct 15 ms 2552 KB Output is correct
39 Correct 15 ms 2552 KB Output is correct
40 Correct 16 ms 2552 KB Output is correct
41 Correct 14 ms 2552 KB Output is correct
42 Correct 11 ms 2552 KB Output is correct
43 Correct 11 ms 2424 KB Output is correct
44 Correct 17 ms 2424 KB Output is correct
45 Correct 14 ms 2552 KB Output is correct
46 Correct 13 ms 2552 KB Output is correct
47 Correct 25 ms 3188 KB Output is correct
48 Correct 12 ms 2680 KB Output is correct
49 Correct 17 ms 2680 KB Output is correct
50 Correct 11 ms 2552 KB Output is correct
51 Correct 35 ms 4080 KB Output is correct
52 Correct 34 ms 3700 KB Output is correct
53 Correct 22 ms 3572 KB Output is correct
54 Correct 7 ms 2168 KB Output is correct
55 Correct 7 ms 2176 KB Output is correct
56 Execution timed out 1090 ms 3704 KB Time limit exceeded
57 Halted 0 ms 0 KB -