Submission #208743

# Submission time Handle Problem Language Result Execution time Memory
208743 2020-03-12T06:14:41 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
1000 ms 216824 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(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;
}


# 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 5 ms 1912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1916 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 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 2300 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 2300 KB Output is correct
# 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 1916 KB Output is correct
4 Correct 5 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 6 ms 2424 KB Output is correct
15 Correct 7 ms 2424 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 10 ms 5880 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 9976 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 17 ms 12920 KB Output is correct
25 Correct 12 ms 10872 KB Output is correct
26 Correct 12 ms 9976 KB Output is correct
27 Correct 12 ms 11000 KB Output is correct
28 Correct 14 ms 12024 KB Output is correct
29 Correct 17 ms 10616 KB Output is correct
30 Correct 13 ms 10232 KB Output is correct
31 Correct 15 ms 10360 KB Output is correct
32 Correct 14 ms 10488 KB Output is correct
33 Correct 21 ms 11000 KB Output is correct
34 Correct 24 ms 10996 KB Output is correct
# 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
8 Correct 6 ms 2040 KB Output is correct
9 Correct 6 ms 2044 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 6 ms 2424 KB Output is correct
15 Correct 7 ms 2296 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 9 ms 5752 KB Output is correct
18 Correct 6 ms 1916 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 12 ms 9976 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 15 ms 12920 KB Output is correct
25 Correct 13 ms 10872 KB Output is correct
26 Correct 12 ms 9976 KB Output is correct
27 Correct 12 ms 11000 KB Output is correct
28 Correct 13 ms 12028 KB Output is correct
29 Correct 17 ms 10616 KB Output is correct
30 Correct 15 ms 10232 KB Output is correct
31 Correct 15 ms 10376 KB Output is correct
32 Correct 14 ms 10488 KB Output is correct
33 Correct 21 ms 11000 KB Output is correct
34 Correct 19 ms 11000 KB Output is correct
35 Correct 24 ms 13376 KB Output is correct
36 Correct 11 ms 7288 KB Output is correct
37 Correct 26 ms 17004 KB Output is correct
38 Correct 25 ms 17648 KB Output is correct
39 Correct 13 ms 2936 KB Output is correct
40 Correct 19 ms 11260 KB Output is correct
41 Correct 24 ms 15988 KB Output is correct
42 Correct 16 ms 10488 KB Output is correct
43 Correct 16 ms 11384 KB Output is correct
44 Correct 16 ms 10360 KB Output is correct
45 Correct 63 ms 14056 KB Output is correct
46 Correct 58 ms 14060 KB Output is correct
# 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 1908 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 2044 KB Output is correct
10 Correct 7 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 2424 KB Output is correct
14 Correct 7 ms 2424 KB Output is correct
15 Correct 7 ms 2296 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 9 ms 5752 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 10108 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 6 ms 1912 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 15 ms 12920 KB Output is correct
25 Correct 12 ms 10872 KB Output is correct
26 Correct 12 ms 9976 KB Output is correct
27 Correct 13 ms 11000 KB Output is correct
28 Correct 15 ms 12024 KB Output is correct
29 Correct 16 ms 10492 KB Output is correct
30 Correct 13 ms 10232 KB Output is correct
31 Correct 14 ms 10376 KB Output is correct
32 Correct 14 ms 10488 KB Output is correct
33 Correct 22 ms 11000 KB Output is correct
34 Correct 19 ms 11000 KB Output is correct
35 Correct 23 ms 13424 KB Output is correct
36 Correct 11 ms 7288 KB Output is correct
37 Correct 25 ms 17008 KB Output is correct
38 Correct 26 ms 17648 KB Output is correct
39 Correct 13 ms 3064 KB Output is correct
40 Correct 22 ms 11260 KB Output is correct
41 Correct 24 ms 15860 KB Output is correct
42 Correct 15 ms 10488 KB Output is correct
43 Correct 17 ms 11384 KB Output is correct
44 Correct 16 ms 10360 KB Output is correct
45 Correct 61 ms 14060 KB Output is correct
46 Correct 56 ms 14056 KB Output is correct
47 Correct 96 ms 100196 KB Output is correct
48 Correct 12 ms 2552 KB Output is correct
49 Correct 12 ms 2424 KB Output is correct
50 Correct 11 ms 2424 KB Output is correct
51 Correct 150 ms 186216 KB Output is correct
52 Correct 155 ms 185580 KB Output is correct
53 Correct 94 ms 123760 KB Output is correct
54 Correct 49 ms 62712 KB Output is correct
55 Correct 59 ms 82796 KB Output is correct
56 Correct 94 ms 124020 KB Output is correct
57 Correct 85 ms 120040 KB Output is correct
58 Correct 89 ms 123896 KB Output is correct
59 Correct 90 ms 124408 KB Output is correct
60 Correct 93 ms 124488 KB Output is correct
61 Correct 99 ms 134904 KB Output is correct
62 Correct 165 ms 216824 KB Output is correct
63 Correct 481 ms 194000 KB Output is correct
64 Correct 462 ms 175696 KB Output is correct
65 Correct 746 ms 174424 KB Output is correct
66 Execution timed out 1052 ms 183100 KB Time limit exceeded
67 Halted 0 ms 0 KB -