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Submission #208740

# Submission time Handle Problem Language Result Execution time Memory
208740 2020-03-12T06:12:06 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 190412 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long 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<<60);
#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(0,b[0]));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(dis[x]<=y)continue;
		dis[x]=y;
		++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(tt+dis[x],j));
			}
			for(ll j=x-step,tt=1;j>=0;j-=step,++tt){
				if(step<R&&ch[j][step])
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=1;
				vis[j]=ti;
				if(tt+dis[x]<dis[j])pq.push(mp(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 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 5 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 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 2040 KB Output is correct
5 Correct 5 ms 2044 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 5 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2424 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2552 KB Output is correct
15 Correct 6 ms 2552 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 5 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2552 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2552 KB Output is correct
15 Correct 7 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 11 ms 6904 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2200 KB Output is correct
20 Correct 26 ms 10232 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 13 ms 10360 KB Output is correct
24 Correct 15 ms 13944 KB Output is correct
25 Correct 13 ms 10744 KB Output is correct
26 Correct 14 ms 10232 KB Output is correct
27 Correct 14 ms 11384 KB Output is correct
28 Correct 15 ms 14200 KB Output is correct
29 Correct 17 ms 11128 KB Output is correct
30 Correct 14 ms 10744 KB Output is correct
31 Correct 15 ms 11000 KB Output is correct
32 Correct 14 ms 11128 KB Output is correct
33 Correct 23 ms 12024 KB Output is correct
34 Correct 22 ms 12144 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 5 ms 2040 KB Output is correct
5 Correct 5 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2552 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2556 KB Output is correct
15 Correct 7 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 10 ms 6904 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 27 ms 10156 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 13 ms 10360 KB Output is correct
24 Correct 15 ms 13944 KB Output is correct
25 Correct 12 ms 10744 KB Output is correct
26 Correct 12 ms 10232 KB Output is correct
27 Correct 12 ms 11384 KB Output is correct
28 Correct 15 ms 14200 KB Output is correct
29 Correct 16 ms 11128 KB Output is correct
30 Correct 13 ms 10748 KB Output is correct
31 Correct 18 ms 11128 KB Output is correct
32 Correct 14 ms 11128 KB Output is correct
33 Correct 21 ms 12152 KB Output is correct
34 Correct 20 ms 12016 KB Output is correct
35 Correct 25 ms 14960 KB Output is correct
36 Correct 11 ms 8184 KB Output is correct
37 Correct 30 ms 19952 KB Output is correct
38 Correct 30 ms 19056 KB Output is correct
39 Correct 14 ms 3568 KB Output is correct
40 Correct 20 ms 12156 KB Output is correct
41 Correct 25 ms 17520 KB Output is correct
42 Correct 17 ms 11000 KB Output is correct
43 Correct 19 ms 12152 KB Output is correct
44 Correct 32 ms 10908 KB Output is correct
45 Correct 73 ms 18152 KB Output is correct
46 Correct 64 ms 18276 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 5 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2428 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2552 KB Output is correct
15 Correct 6 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 10 ms 6776 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2168 KB Output is correct
20 Correct 26 ms 10232 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 7 ms 2040 KB Output is correct
23 Correct 12 ms 10232 KB Output is correct
24 Correct 16 ms 13816 KB Output is correct
25 Correct 14 ms 10744 KB Output is correct
26 Correct 12 ms 10232 KB Output is correct
27 Correct 13 ms 11384 KB Output is correct
28 Correct 16 ms 14200 KB Output is correct
29 Correct 17 ms 11128 KB Output is correct
30 Correct 15 ms 10744 KB Output is correct
31 Correct 15 ms 11000 KB Output is correct
32 Correct 15 ms 11128 KB Output is correct
33 Correct 23 ms 12024 KB Output is correct
34 Correct 22 ms 12024 KB Output is correct
35 Correct 24 ms 14960 KB Output is correct
36 Correct 11 ms 8184 KB Output is correct
37 Correct 28 ms 19952 KB Output is correct
38 Correct 29 ms 19184 KB Output is correct
39 Correct 14 ms 3448 KB Output is correct
40 Correct 19 ms 12152 KB Output is correct
41 Correct 25 ms 17524 KB Output is correct
42 Correct 18 ms 10872 KB Output is correct
43 Correct 18 ms 12152 KB Output is correct
44 Correct 32 ms 10908 KB Output is correct
45 Correct 70 ms 18148 KB Output is correct
46 Correct 66 ms 18276 KB Output is correct
47 Correct 107 ms 106596 KB Output is correct
48 Correct 12 ms 2808 KB Output is correct
49 Correct 12 ms 2808 KB Output is correct
50 Correct 10 ms 2680 KB Output is correct
51 Correct 158 ms 188520 KB Output is correct
52 Correct 166 ms 190412 KB Output is correct
53 Correct 97 ms 124784 KB Output is correct
54 Correct 47 ms 63096 KB Output is correct
55 Correct 62 ms 83064 KB Output is correct
56 Execution timed out 1097 ms 124932 KB Time limit exceeded
57 Halted 0 ms 0 KB -