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Submission #208796

# Submission time Handle Problem Language Result Execution time Memory
208796 2020-03-12T07:57:08 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 71248 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 INF=(1LL<<30);
const ld pi=3.14159265359;
#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],x,y,dis[N];
vector<ll> P[N],tmp;
vector<pll> v[N];
vector<vector<ll> > lis;
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];
		P[p[i]].pb(b[i]);
	}
	for(ll step=1;step<N;++step){
		if(!SZ(P[step]))continue;
		lis.clear();lis.resize(step);
		tmp.clear();
		for(auto i:P[step]){
			lis[i%step].pb(i);
			tmp.pb(i%step);
		}
		sort(tmp.begin(),tmp.end());
		tmp.resize(unique(tmp.begin(),tmp.end())-tmp.begin());
		for(auto i:tmp){
			sort(lis[i].begin(),lis[i].end());
			for(ll j=1;j<SZ(lis[i]);++j){
				x=lis[i][j-1],y=lis[i][j];
				for(ll ii=x;ii<=y;ii+=step){
					v[x].pb(mp(ii,(ii-x)/step));
					v[y].pb(mp(ii,(y-ii)/step));
				}
			}
			for(ll ii=lis[i].back()+step;ii<N;ii+=step)x=lis[i].back(),v[x].pb(mp(ii,(ii-x)/step));
			for(ll ii=lis[i][0]-step;ii>=0;ii-=step)x=lis[i][0],v[x].pb(mp(ii,(x-ii)/step));
		}
	}
	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;
		for(auto j:v[x])if(dis[j.X]>dis[x]+j.Y)dis[j.X]=dis[x]+j.Y,pq.push(mp(dis[j.X],j.X));
	}
	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 10 ms 2552 KB Output is correct
2 Correct 9 ms 2552 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 12 ms 2968 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2552 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2552 KB Output is correct
2 Correct 9 ms 2424 KB Output is correct
3 Correct 6 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 12 ms 2840 KB Output is correct
6 Correct 12 ms 2928 KB Output is correct
7 Correct 9 ms 2552 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 35 ms 7208 KB Output is correct
11 Correct 54 ms 15460 KB Output is correct
12 Correct 17 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 96 ms 22876 KB Output is correct
15 Correct 97 ms 23004 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2552 KB Output is correct
2 Correct 9 ms 2548 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 12 ms 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2424 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 17 ms 3572 KB Output is correct
10 Correct 35 ms 7212 KB Output is correct
11 Correct 54 ms 15460 KB Output is correct
12 Correct 16 ms 3464 KB Output is correct
13 Correct 9 ms 2576 KB Output is correct
14 Correct 98 ms 22868 KB Output is correct
15 Correct 99 ms 23004 KB Output is correct
16 Correct 15 ms 7156 KB Output is correct
17 Correct 38 ms 8952 KB Output is correct
18 Correct 11 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 10 ms 2552 KB Output is correct
21 Correct 12 ms 3448 KB Output is correct
22 Correct 10 ms 3064 KB Output is correct
23 Correct 20 ms 3896 KB Output is correct
24 Correct 27 ms 4760 KB Output is correct
25 Correct 23 ms 3528 KB Output is correct
26 Correct 19 ms 3588 KB Output is correct
27 Correct 19 ms 3712 KB Output is correct
28 Correct 18 ms 5496 KB Output is correct
29 Correct 58 ms 12236 KB Output is correct
30 Correct 24 ms 5768 KB Output is correct
31 Correct 32 ms 7636 KB Output is correct
32 Correct 25 ms 6144 KB Output is correct
33 Correct 98 ms 22740 KB Output is correct
34 Correct 95 ms 22740 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2552 KB Output is correct
2 Correct 9 ms 2424 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 13 ms 2968 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 10 ms 2548 KB Output is correct
8 Correct 12 ms 2936 KB Output is correct
9 Correct 17 ms 3572 KB Output is correct
10 Correct 38 ms 7212 KB Output is correct
11 Correct 55 ms 15456 KB Output is correct
12 Correct 17 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 97 ms 22876 KB Output is correct
15 Correct 95 ms 22952 KB Output is correct
16 Correct 16 ms 7156 KB Output is correct
17 Correct 41 ms 8948 KB Output is correct
18 Correct 10 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 10 ms 2680 KB Output is correct
21 Correct 12 ms 3448 KB Output is correct
22 Correct 10 ms 3064 KB Output is correct
23 Correct 21 ms 4024 KB Output is correct
24 Correct 26 ms 4760 KB Output is correct
25 Correct 21 ms 3480 KB Output is correct
26 Correct 20 ms 3588 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 18 ms 5500 KB Output is correct
29 Correct 57 ms 12236 KB Output is correct
30 Correct 25 ms 5764 KB Output is correct
31 Correct 34 ms 7636 KB Output is correct
32 Correct 25 ms 6148 KB Output is correct
33 Correct 96 ms 22736 KB Output is correct
34 Correct 95 ms 22740 KB Output is correct
35 Correct 84 ms 26424 KB Output is correct
36 Correct 41 ms 8064 KB Output is correct
37 Correct 90 ms 31116 KB Output is correct
38 Correct 93 ms 30472 KB Output is correct
39 Correct 95 ms 30468 KB Output is correct
40 Correct 100 ms 29940 KB Output is correct
41 Correct 124 ms 30104 KB Output is correct
42 Correct 26 ms 4724 KB Output is correct
43 Correct 25 ms 4720 KB Output is correct
44 Correct 16 ms 3764 KB Output is correct
45 Correct 222 ms 71124 KB Output is correct
46 Correct 224 ms 71248 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2552 KB Output is correct
2 Correct 9 ms 2424 KB Output is correct
3 Correct 7 ms 2168 KB Output is correct
4 Correct 7 ms 2040 KB Output is correct
5 Correct 12 ms 2840 KB Output is correct
6 Correct 11 ms 2932 KB Output is correct
7 Correct 9 ms 2548 KB Output is correct
8 Correct 13 ms 2940 KB Output is correct
9 Correct 18 ms 3572 KB Output is correct
10 Correct 35 ms 7208 KB Output is correct
11 Correct 55 ms 15460 KB Output is correct
12 Correct 16 ms 3460 KB Output is correct
13 Correct 9 ms 2580 KB Output is correct
14 Correct 95 ms 22876 KB Output is correct
15 Correct 96 ms 23004 KB Output is correct
16 Correct 15 ms 7152 KB Output is correct
17 Correct 38 ms 8952 KB Output is correct
18 Correct 10 ms 3192 KB Output is correct
19 Correct 9 ms 2808 KB Output is correct
20 Correct 10 ms 2552 KB Output is correct
21 Correct 11 ms 3492 KB Output is correct
22 Correct 10 ms 3064 KB Output is correct
23 Correct 21 ms 3896 KB Output is correct
24 Correct 26 ms 4756 KB Output is correct
25 Correct 21 ms 3476 KB Output is correct
26 Correct 20 ms 3588 KB Output is correct
27 Correct 18 ms 3716 KB Output is correct
28 Correct 17 ms 5496 KB Output is correct
29 Correct 57 ms 12236 KB Output is correct
30 Correct 25 ms 5764 KB Output is correct
31 Correct 32 ms 7636 KB Output is correct
32 Correct 24 ms 6144 KB Output is correct
33 Correct 95 ms 22740 KB Output is correct
34 Correct 95 ms 22740 KB Output is correct
35 Correct 86 ms 26424 KB Output is correct
36 Correct 38 ms 8064 KB Output is correct
37 Correct 90 ms 31116 KB Output is correct
38 Correct 94 ms 30472 KB Output is correct
39 Correct 93 ms 30344 KB Output is correct
40 Correct 93 ms 29812 KB Output is correct
41 Correct 94 ms 30108 KB Output is correct
42 Correct 28 ms 4596 KB Output is correct
43 Correct 24 ms 4720 KB Output is correct
44 Correct 17 ms 3764 KB Output is correct
45 Correct 218 ms 71124 KB Output is correct
46 Correct 217 ms 71244 KB Output is correct
47 Correct 89 ms 23344 KB Output is correct
48 Execution timed out 1091 ms 7500 KB Time limit exceeded
49 Halted 0 ms 0 KB -