oj.uz

Submission #251704

# Submission time Handle Problem Language Result Execution time Memory
251704 2020-07-22T08:15:34 Z define Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 159 ms 10220 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define P pair<int,int>
#define len(s) (int)s.size()

template<class T> inline bool chmin(T &a, T b){
	if(a>b){a=b;return true;}
	return false;
}
template<class T> inline bool chmax(T &a, T b){
	if(a<b){a=b;return true;}
	return false;
}
constexpr int mod = 998244353;
constexpr int inf = 3e18;

int N,M;
vector<int>v[30005];
int dist[30005];
signed main(){
	cin>>N>>M;
	int start,goal;
	rep(i,M){
		int a,b;cin>>a>>b;
		v[a].push_back(b);
		if(!i)start=a;
		if(i==1)goal=a;
	}
	rep(i,N){
		sort(all(v[i]));v[i].erase(unique(all(v[i])),v[i].end());
	}
	priority_queue<P,vector<P>,greater<P>>que;
	fill(dist,dist+N,inf);
	dist[start]=0;
	que.push({0,start});
	while(!que.empty()){
		P p=que.top();que.pop();
		if(dist[p.second]<p.first)continue;
		for(int i:v[p.second]){
			for(int j=p.second+i;j<N;j+=i){
				if(dist[j]>p.first+(j-p.second)/i){
					dist[j]=p.first+(j-p.second)/i;
					que.push({dist[j],j});
				}
				if(lower_bound(all(v[j]),i)!=v[j].end()&&*lower_bound(all(v[j]),i)==i)break;
			}
			for(int j=p.second-i;j>=0;j-=i){
				if(dist[j]>p.first+(p.second-j)/i){
					dist[j]=p.first+(p.second-j)/i;
					que.push({dist[j],j});
				}
				if(lower_bound(all(v[j]),i)!=v[j].end()&&*lower_bound(all(v[j]),i)==i)break;
			}
		}
	}
	cout<<(dist[goal]!=inf?dist[goal]:-1)<<endl;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:61:18: warning: 'goal' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<(dist[goal]!=inf?dist[goal]:-1)<<endl;
         ~~~~~~~~~^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 3 ms 1024 KB Output is correct
14 Correct 2 ms 1024 KB Output is correct
15 Correct 3 ms 1024 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 3 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 2 ms 1024 KB Output is correct
14 Correct 2 ms 1024 KB Output is correct
15 Correct 2 ms 1024 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 2 ms 1152 KB Output is correct
18 Correct 2 ms 1152 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 2 ms 1152 KB Output is correct
21 Correct 2 ms 1152 KB Output is correct
22 Correct 1 ms 1024 KB Output is correct
23 Correct 2 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 3 ms 1152 KB Output is correct
26 Correct 3 ms 1152 KB Output is correct
27 Correct 2 ms 1152 KB Output is correct
28 Correct 4 ms 1152 KB Output is correct
29 Correct 4 ms 1408 KB Output is correct
30 Correct 3 ms 1280 KB Output is correct
31 Correct 3 ms 1280 KB Output is correct
32 Correct 2 ms 1280 KB Output is correct
33 Correct 7 ms 1660 KB Output is correct
34 Correct 6 ms 1788 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 2 ms 1024 KB Output is correct
14 Correct 2 ms 1024 KB Output is correct
15 Correct 2 ms 1024 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 2 ms 1152 KB Output is correct
18 Correct 2 ms 1024 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 2 ms 1152 KB Output is correct
21 Correct 2 ms 1024 KB Output is correct
22 Correct 2 ms 1024 KB Output is correct
23 Correct 2 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 3 ms 1152 KB Output is correct
26 Correct 3 ms 1152 KB Output is correct
27 Correct 3 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 4 ms 1408 KB Output is correct
30 Correct 2 ms 1280 KB Output is correct
31 Correct 3 ms 1280 KB Output is correct
32 Correct 2 ms 1280 KB Output is correct
33 Correct 6 ms 1660 KB Output is correct
34 Correct 6 ms 1788 KB Output is correct
35 Correct 23 ms 1664 KB Output is correct
36 Correct 5 ms 1152 KB Output is correct
37 Correct 20 ms 1664 KB Output is correct
38 Correct 30 ms 1920 KB Output is correct
39 Correct 30 ms 1912 KB Output is correct
40 Correct 29 ms 1912 KB Output is correct
41 Correct 29 ms 1912 KB Output is correct
42 Correct 20 ms 1664 KB Output is correct
43 Correct 20 ms 1664 KB Output is correct
44 Correct 20 ms 1620 KB Output is correct
45 Correct 32 ms 2300 KB Output is correct
46 Correct 26 ms 2300 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 3 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 2 ms 1024 KB Output is correct
14 Correct 2 ms 1024 KB Output is correct
15 Correct 2 ms 1024 KB Output is correct
16 Correct 2 ms 1024 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 2 ms 1024 KB Output is correct
19 Correct 2 ms 1024 KB Output is correct
20 Correct 3 ms 1152 KB Output is correct
21 Correct 2 ms 1024 KB Output is correct
22 Correct 3 ms 1024 KB Output is correct
23 Correct 2 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 3 ms 1152 KB Output is correct
26 Correct 2 ms 1152 KB Output is correct
27 Correct 3 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 4 ms 1408 KB Output is correct
30 Correct 2 ms 1280 KB Output is correct
31 Correct 2 ms 1280 KB Output is correct
32 Correct 2 ms 1280 KB Output is correct
33 Correct 6 ms 1788 KB Output is correct
34 Correct 6 ms 1788 KB Output is correct
35 Correct 33 ms 1656 KB Output is correct
36 Correct 5 ms 1152 KB Output is correct
37 Correct 20 ms 1664 KB Output is correct
38 Correct 28 ms 1912 KB Output is correct
39 Correct 28 ms 1920 KB Output is correct
40 Correct 28 ms 1920 KB Output is correct
41 Correct 30 ms 1912 KB Output is correct
42 Correct 19 ms 1664 KB Output is correct
43 Correct 19 ms 1664 KB Output is correct
44 Correct 19 ms 1664 KB Output is correct
45 Correct 25 ms 2304 KB Output is correct
46 Correct 28 ms 2308 KB Output is correct
47 Correct 42 ms 2936 KB Output is correct
48 Correct 20 ms 1912 KB Output is correct
49 Correct 19 ms 1920 KB Output is correct
50 Correct 15 ms 1792 KB Output is correct
51 Correct 49 ms 3316 KB Output is correct
52 Correct 51 ms 3316 KB Output is correct
53 Correct 35 ms 3452 KB Output is correct
54 Correct 2 ms 1664 KB Output is correct
55 Correct 3 ms 1664 KB Output is correct
56 Correct 27 ms 2464 KB Output is correct
57 Correct 29 ms 2556 KB Output is correct
58 Correct 16 ms 2044 KB Output is correct
59 Correct 24 ms 2164 KB Output is correct
60 Correct 24 ms 2172 KB Output is correct
61 Correct 24 ms 2172 KB Output is correct
62 Correct 30 ms 2560 KB Output is correct
63 Correct 62 ms 6120 KB Output is correct
64 Correct 65 ms 6136 KB Output is correct
65 Correct 81 ms 6120 KB Output is correct
66 Correct 159 ms 10220 KB Output is correct
67 Correct 154 ms 10220 KB Output is correct