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Submission #208739

# Submission time Handle Problem Language Result Execution time Memory
208739 2020-03-12T06:05:42 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 440 ms 262148 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 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];
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(vis[j]==ti)continue;
				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(vis[j]==ti)continue;
				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 1916 KB Output is correct
3 Correct 7 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 2040 KB Output is correct
4 Correct 5 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
8 Correct 6 ms 2040 KB Output is correct
9 Correct 6 ms 2040 KB Output is correct
10 Correct 6 ms 2040 KB Output is correct
11 Correct 6 ms 2040 KB Output is correct
12 Correct 6 ms 2040 KB Output is correct
13 Correct 7 ms 2168 KB Output is correct
14 Correct 7 ms 2168 KB Output is correct
15 Correct 6 ms 2168 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 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 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2040 KB Output is correct
9 Correct 6 ms 2040 KB Output is correct
10 Correct 7 ms 1964 KB Output is correct
11 Correct 2 ms 2040 KB Output is correct
12 Correct 6 ms 2040 KB Output is correct
13 Correct 7 ms 2168 KB Output is correct
14 Correct 6 ms 2168 KB Output is correct
15 Correct 7 ms 2192 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 7 ms 2300 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 434 ms 18640 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 6 ms 2040 KB Output is correct
24 Correct 7 ms 2168 KB Output is correct
25 Correct 7 ms 2168 KB Output is correct
26 Correct 6 ms 2040 KB Output is correct
27 Correct 6 ms 2040 KB Output is correct
28 Correct 8 ms 2168 KB Output is correct
29 Correct 11 ms 2680 KB Output is correct
30 Correct 8 ms 2424 KB Output is correct
31 Correct 9 ms 2424 KB Output is correct
32 Correct 8 ms 2424 KB Output is correct
33 Correct 15 ms 3192 KB Output is correct
34 Correct 14 ms 3188 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 1912 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 1916 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 2040 KB Output is correct
11 Correct 6 ms 2040 KB Output is correct
12 Correct 6 ms 2044 KB Output is correct
13 Correct 7 ms 2168 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 2040 KB Output is correct
17 Correct 7 ms 2296 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 433 ms 18644 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 6 ms 2040 KB Output is correct
24 Correct 7 ms 2168 KB Output is correct
25 Correct 7 ms 2168 KB Output is correct
26 Correct 6 ms 2072 KB Output is correct
27 Correct 6 ms 2040 KB Output is correct
28 Correct 6 ms 2168 KB Output is correct
29 Correct 11 ms 2680 KB Output is correct
30 Correct 8 ms 2424 KB Output is correct
31 Correct 9 ms 2424 KB Output is correct
32 Correct 8 ms 2424 KB Output is correct
33 Correct 16 ms 3192 KB Output is correct
34 Correct 14 ms 3184 KB Output is correct
35 Correct 16 ms 4080 KB Output is correct
36 Correct 7 ms 2296 KB Output is correct
37 Correct 16 ms 4972 KB Output is correct
38 Correct 16 ms 4336 KB Output is correct
39 Correct 14 ms 3192 KB Output is correct
40 Correct 13 ms 3324 KB Output is correct
41 Correct 14 ms 3832 KB Output is correct
42 Correct 12 ms 3064 KB Output is correct
43 Correct 12 ms 3064 KB Output is correct
44 Correct 440 ms 19584 KB Output is correct
45 Correct 54 ms 7268 KB Output is correct
46 Correct 49 ms 7268 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 1912 KB Output is correct
3 Correct 6 ms 1916 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 5 ms 2040 KB Output is correct
6 Correct 5 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 2040 KB Output is correct
11 Correct 6 ms 2040 KB Output is correct
12 Correct 6 ms 2040 KB Output is correct
13 Correct 7 ms 2168 KB Output is correct
14 Correct 6 ms 2200 KB Output is correct
15 Correct 6 ms 2168 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 7 ms 2296 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 438 ms 18640 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 7 ms 2044 KB Output is correct
24 Correct 7 ms 2168 KB Output is correct
25 Correct 7 ms 2168 KB Output is correct
26 Correct 6 ms 2040 KB Output is correct
27 Correct 6 ms 2040 KB Output is correct
28 Correct 7 ms 2168 KB Output is correct
29 Correct 11 ms 2680 KB Output is correct
30 Correct 8 ms 2424 KB Output is correct
31 Correct 9 ms 2424 KB Output is correct
32 Correct 8 ms 2424 KB Output is correct
33 Correct 15 ms 3192 KB Output is correct
34 Correct 14 ms 3188 KB Output is correct
35 Correct 15 ms 4204 KB Output is correct
36 Correct 7 ms 2296 KB Output is correct
37 Correct 15 ms 4976 KB Output is correct
38 Correct 16 ms 4340 KB Output is correct
39 Correct 13 ms 3192 KB Output is correct
40 Correct 13 ms 3320 KB Output is correct
41 Correct 15 ms 3832 KB Output is correct
42 Correct 11 ms 3064 KB Output is correct
43 Correct 11 ms 3064 KB Output is correct
44 Correct 428 ms 19460 KB Output is correct
45 Correct 56 ms 7268 KB Output is correct
46 Correct 50 ms 7268 KB Output is correct
47 Correct 30 ms 11488 KB Output is correct
48 Correct 13 ms 3064 KB Output is correct
49 Correct 12 ms 3064 KB Output is correct
50 Correct 12 ms 2784 KB Output is correct
51 Correct 30 ms 7912 KB Output is correct
52 Correct 29 ms 7912 KB Output is correct
53 Correct 17 ms 4852 KB Output is correct
54 Correct 7 ms 2552 KB Output is correct
55 Correct 8 ms 2552 KB Output is correct
56 Runtime error 362 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
57 Halted 0 ms 0 KB -