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Submission #208703

# Submission time Handle Problem Language Result Execution time Memory
208703 2020-03-12T04:30:34 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 298 ms 225356 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 INF=(1LL<<60);
const ll R=1e3+5;
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,vis[N][R],dis[N],b[N],p[N],ti,x,y;
vector<ll> v[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;
	dis[b[0]]=0;
	pq.push(mp(0,b[0]));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(dis[x]!=y)continue;
		for(ll step:v[x]){
			for(ll i=x+step,tt=1;i<n;i+=step,++tt){
				if(step<R&&vis[i][step])break;
				if(dis[i]>dis[x]+tt){
					pq.push(mp(dis[i]=dis[x]+tt,i));
					if(step<R)vis[i][step]=1;
				}
			}
			for(ll i=x-step,tt=1;i>=0;i-=step,++tt){
				if(step<R&&vis[i][step])break;
				if(dis[i]>dis[x]+tt){
					pq.push(mp(dis[i]=dis[x]+tt,i));
					if(step<R)vis[i][step]=1;
				}
			}
		}
	}
	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 1272 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
3 Correct 5 ms 1276 KB Output is correct
4 Correct 5 ms 1272 KB Output is correct
5 Correct 5 ms 1272 KB Output is correct
6 Correct 5 ms 1272 KB Output is correct
7 Correct 5 ms 1272 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1272 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
3 Correct 5 ms 1272 KB Output is correct
4 Correct 5 ms 1272 KB Output is correct
5 Correct 5 ms 1272 KB Output is correct
6 Correct 5 ms 1272 KB Output is correct
7 Correct 5 ms 1272 KB Output is correct
8 Correct 5 ms 1400 KB Output is correct
9 Correct 5 ms 1528 KB Output is correct
10 Correct 6 ms 1832 KB Output is correct
11 Correct 6 ms 1784 KB Output is correct
12 Correct 6 ms 1784 KB Output is correct
13 Correct 6 ms 1784 KB Output is correct
14 Correct 6 ms 1784 KB Output is correct
15 Correct 6 ms 1784 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1276 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
3 Correct 5 ms 1272 KB Output is correct
4 Correct 5 ms 1272 KB Output is correct
5 Correct 5 ms 1272 KB Output is correct
6 Correct 5 ms 1272 KB Output is correct
7 Correct 5 ms 1272 KB Output is correct
8 Correct 5 ms 1400 KB Output is correct
9 Correct 5 ms 1528 KB Output is correct
10 Correct 6 ms 1656 KB Output is correct
11 Correct 6 ms 1784 KB Output is correct
12 Correct 6 ms 1784 KB Output is correct
13 Correct 6 ms 1784 KB Output is correct
14 Correct 6 ms 1784 KB Output is correct
15 Correct 6 ms 1784 KB Output is correct
16 Correct 5 ms 1272 KB Output is correct
17 Correct 9 ms 5112 KB Output is correct
18 Correct 6 ms 1400 KB Output is correct
19 Correct 6 ms 1400 KB Output is correct
20 Correct 11 ms 9464 KB Output is correct
21 Correct 6 ms 1400 KB Output is correct
22 Correct 5 ms 1272 KB Output is correct
23 Correct 12 ms 7928 KB Output is correct
24 Correct 13 ms 9848 KB Output is correct
25 Correct 13 ms 10488 KB Output is correct
26 Correct 12 ms 9464 KB Output is correct
27 Correct 12 ms 9464 KB Output is correct
28 Correct 12 ms 9464 KB Output is correct
29 Correct 13 ms 9976 KB Output is correct
30 Correct 12 ms 9724 KB Output is correct
31 Correct 12 ms 9976 KB Output is correct
32 Correct 12 ms 10104 KB Output is correct
33 Correct 13 ms 10232 KB Output is correct
34 Correct 15 ms 10232 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1272 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
3 Correct 5 ms 1400 KB Output is correct
4 Correct 5 ms 1272 KB Output is correct
5 Correct 5 ms 1272 KB Output is correct
6 Correct 5 ms 1400 KB Output is correct
7 Correct 5 ms 1272 KB Output is correct
8 Correct 5 ms 1404 KB Output is correct
9 Correct 5 ms 1532 KB Output is correct
10 Correct 6 ms 1656 KB Output is correct
11 Correct 6 ms 1784 KB Output is correct
12 Correct 6 ms 1744 KB Output is correct
13 Correct 6 ms 1784 KB Output is correct
14 Correct 7 ms 1784 KB Output is correct
15 Correct 6 ms 1784 KB Output is correct
16 Correct 5 ms 1272 KB Output is correct
17 Correct 9 ms 5112 KB Output is correct
18 Correct 6 ms 1272 KB Output is correct
19 Correct 6 ms 1400 KB Output is correct
20 Correct 11 ms 9464 KB Output is correct
21 Correct 5 ms 1272 KB Output is correct
22 Correct 5 ms 1272 KB Output is correct
23 Correct 11 ms 7928 KB Output is correct
24 Correct 13 ms 9848 KB Output is correct
25 Correct 13 ms 10488 KB Output is correct
26 Correct 12 ms 9464 KB Output is correct
27 Correct 11 ms 9464 KB Output is correct
28 Correct 12 ms 9464 KB Output is correct
29 Correct 13 ms 9976 KB Output is correct
30 Correct 12 ms 9752 KB Output is correct
31 Correct 13 ms 10004 KB Output is correct
32 Correct 12 ms 10104 KB Output is correct
33 Correct 14 ms 10232 KB Output is correct
34 Correct 13 ms 10232 KB Output is correct
35 Correct 20 ms 9976 KB Output is correct
36 Correct 13 ms 7160 KB Output is correct
37 Correct 23 ms 14072 KB Output is correct
38 Correct 25 ms 14200 KB Output is correct
39 Correct 24 ms 13048 KB Output is correct
40 Correct 25 ms 14328 KB Output is correct
41 Correct 24 ms 13944 KB Output is correct
42 Correct 16 ms 10488 KB Output is correct
43 Correct 16 ms 10360 KB Output is correct
44 Correct 16 ms 10396 KB Output is correct
45 Correct 23 ms 12280 KB Output is correct
46 Correct 23 ms 12280 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1272 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
3 Correct 5 ms 1276 KB Output is correct
4 Correct 5 ms 1272 KB Output is correct
5 Correct 5 ms 1400 KB Output is correct
6 Correct 5 ms 1400 KB Output is correct
7 Correct 5 ms 1272 KB Output is correct
8 Correct 5 ms 1400 KB Output is correct
9 Correct 5 ms 1528 KB Output is correct
10 Correct 6 ms 1656 KB Output is correct
11 Correct 6 ms 1784 KB Output is correct
12 Correct 6 ms 1784 KB Output is correct
13 Correct 6 ms 1784 KB Output is correct
14 Correct 6 ms 1788 KB Output is correct
15 Correct 6 ms 1784 KB Output is correct
16 Correct 6 ms 1272 KB Output is correct
17 Correct 9 ms 5112 KB Output is correct
18 Correct 6 ms 1400 KB Output is correct
19 Correct 5 ms 1400 KB Output is correct
20 Correct 12 ms 9464 KB Output is correct
21 Correct 5 ms 1272 KB Output is correct
22 Correct 5 ms 1272 KB Output is correct
23 Correct 10 ms 7928 KB Output is correct
24 Correct 13 ms 9848 KB Output is correct
25 Correct 12 ms 10488 KB Output is correct
26 Correct 11 ms 9464 KB Output is correct
27 Correct 12 ms 9464 KB Output is correct
28 Correct 12 ms 9464 KB Output is correct
29 Correct 12 ms 9976 KB Output is correct
30 Correct 12 ms 9848 KB Output is correct
31 Correct 12 ms 9976 KB Output is correct
32 Correct 12 ms 10104 KB Output is correct
33 Correct 14 ms 10232 KB Output is correct
34 Correct 14 ms 10232 KB Output is correct
35 Correct 20 ms 9976 KB Output is correct
36 Correct 11 ms 7160 KB Output is correct
37 Correct 22 ms 13948 KB Output is correct
38 Correct 25 ms 14200 KB Output is correct
39 Correct 23 ms 13048 KB Output is correct
40 Correct 24 ms 14200 KB Output is correct
41 Correct 24 ms 13944 KB Output is correct
42 Correct 17 ms 10488 KB Output is correct
43 Correct 16 ms 10360 KB Output is correct
44 Correct 17 ms 10396 KB Output is correct
45 Correct 24 ms 12280 KB Output is correct
46 Correct 23 ms 12280 KB Output is correct
47 Correct 86 ms 77168 KB Output is correct
48 Correct 12 ms 2296 KB Output is correct
49 Correct 12 ms 2296 KB Output is correct
50 Correct 10 ms 2040 KB Output is correct
51 Correct 148 ms 157808 KB Output is correct
52 Correct 147 ms 143728 KB Output is correct
53 Correct 106 ms 120564 KB Output is correct
54 Correct 44 ms 62072 KB Output is correct
55 Correct 58 ms 82040 KB Output is correct
56 Correct 96 ms 124020 KB Output is correct
57 Correct 141 ms 135012 KB Output is correct
58 Correct 90 ms 122868 KB Output is correct
59 Correct 95 ms 123380 KB Output is correct
60 Correct 101 ms 124916 KB Output is correct
61 Correct 107 ms 123756 KB Output is correct
62 Correct 63 ms 20216 KB Output is correct
63 Correct 224 ms 225356 KB Output is correct
64 Correct 233 ms 208232 KB Output is correct
65 Correct 243 ms 187884 KB Output is correct
66 Correct 296 ms 163556 KB Output is correct
67 Correct 298 ms 163536 KB Output is correct