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Submission #208742

# Submission time Handle Problem Language Result Execution time Memory
208742 2020-03-12T06:13:49 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 153380 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];
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])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));
			}
		}
		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 5 ms 1912 KB Output is correct
3 Correct 7 ms 1912 KB Output is correct
4 Correct 7 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 5 ms 1912 KB Output is correct
8 Correct 6 ms 2040 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 7 ms 2296 KB Output is correct
15 Correct 6 ms 2424 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 1916 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 5 ms 2040 KB Output is correct
9 Correct 5 ms 2040 KB Output is correct
10 Correct 6 ms 2300 KB Output is correct
11 Correct 6 ms 2300 KB Output is correct
12 Correct 8 ms 2296 KB Output is correct
13 Correct 6 ms 2296 KB Output is correct
14 Correct 7 ms 2296 KB Output is correct
15 Correct 6 ms 2296 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 8 ms 4984 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 9848 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1916 KB Output is correct
23 Correct 11 ms 8056 KB Output is correct
24 Correct 13 ms 9396 KB Output is correct
25 Correct 12 ms 9852 KB Output is correct
26 Correct 12 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 12 ms 9848 KB Output is correct
29 Correct 17 ms 10236 KB Output is correct
30 Correct 13 ms 9976 KB Output is correct
31 Correct 14 ms 9976 KB Output is correct
32 Correct 15 ms 9976 KB Output is correct
33 Correct 21 ms 10488 KB Output is correct
34 Correct 19 ms 10488 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1912 KB Output is correct
2 Correct 6 ms 1916 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 2040 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 7 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 8 ms 4984 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 9848 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 8056 KB Output is correct
24 Correct 12 ms 9464 KB Output is correct
25 Correct 12 ms 9848 KB Output is correct
26 Correct 13 ms 9848 KB Output is correct
27 Correct 12 ms 9720 KB Output is correct
28 Correct 12 ms 9848 KB Output is correct
29 Correct 16 ms 10180 KB Output is correct
30 Correct 13 ms 9976 KB Output is correct
31 Correct 15 ms 9976 KB Output is correct
32 Correct 14 ms 9976 KB Output is correct
33 Correct 21 ms 10488 KB Output is correct
34 Correct 19 ms 10484 KB Output is correct
35 Correct 19 ms 8692 KB Output is correct
36 Correct 10 ms 6264 KB Output is correct
37 Correct 22 ms 10992 KB Output is correct
38 Correct 20 ms 10868 KB Output is correct
39 Correct 13 ms 2936 KB Output is correct
40 Correct 18 ms 10232 KB Output is correct
41 Correct 19 ms 10616 KB Output is correct
42 Correct 16 ms 10232 KB Output is correct
43 Correct 15 ms 10232 KB Output is correct
44 Correct 16 ms 10232 KB Output is correct
45 Correct 61 ms 12392 KB Output is correct
46 Correct 54 ms 12392 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 5 ms 1912 KB Output is correct
5 Correct 5 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 7 ms 2168 KB Output is correct
15 Correct 7 ms 2296 KB Output is correct
16 Correct 6 ms 1784 KB Output is correct
17 Correct 8 ms 4984 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 9848 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 8056 KB Output is correct
24 Correct 12 ms 9464 KB Output is correct
25 Correct 12 ms 9848 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 12 ms 9720 KB Output is correct
28 Correct 14 ms 9848 KB Output is correct
29 Correct 16 ms 10104 KB Output is correct
30 Correct 13 ms 9976 KB Output is correct
31 Correct 14 ms 9976 KB Output is correct
32 Correct 13 ms 9976 KB Output is correct
33 Correct 21 ms 10488 KB Output is correct
34 Correct 19 ms 10488 KB Output is correct
35 Correct 19 ms 8564 KB Output is correct
36 Correct 10 ms 6264 KB Output is correct
37 Correct 21 ms 10992 KB Output is correct
38 Correct 20 ms 10868 KB Output is correct
39 Correct 13 ms 2936 KB Output is correct
40 Correct 18 ms 10232 KB Output is correct
41 Correct 19 ms 10616 KB Output is correct
42 Correct 16 ms 10284 KB Output is correct
43 Correct 17 ms 10232 KB Output is correct
44 Correct 15 ms 10232 KB Output is correct
45 Correct 64 ms 12368 KB Output is correct
46 Correct 55 ms 12392 KB Output is correct
47 Correct 68 ms 53224 KB Output is correct
48 Correct 12 ms 2552 KB Output is correct
49 Correct 12 ms 2552 KB Output is correct
50 Correct 10 ms 2296 KB Output is correct
51 Correct 108 ms 121964 KB Output is correct
52 Correct 108 ms 121964 KB Output is correct
53 Correct 93 ms 121200 KB Output is correct
54 Correct 46 ms 62456 KB Output is correct
55 Correct 58 ms 81656 KB Output is correct
56 Correct 91 ms 121464 KB Output is correct
57 Correct 84 ms 116328 KB Output is correct
58 Correct 90 ms 120568 KB Output is correct
59 Correct 87 ms 120568 KB Output is correct
60 Correct 88 ms 120568 KB Output is correct
61 Correct 89 ms 120568 KB Output is correct
62 Correct 104 ms 121080 KB Output is correct
63 Correct 402 ms 128732 KB Output is correct
64 Correct 423 ms 128732 KB Output is correct
65 Correct 722 ms 137040 KB Output is correct
66 Execution timed out 1066 ms 153380 KB Time limit exceeded
67 Halted 0 ms 0 KB -