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Submission #233332

# Submission time Handle Problem Language Result Execution time Memory
233332 2020-05-20T09:13:16 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 241 ms 108892 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef int64_t llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
int n,m;
int aa,bb;
const int ss=13;
vector<pair<pair<int,int>,int>> adj[30001][ss];//((index,power),dist)
int dist[30001][ss];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n>>m;
	int st;
	int endd;
	memset(dist,-1,sizeof(dist));
	for(int j=0;j<m;j++){
		cin>>aa>>bb;
		if(j==0){
			st=aa;
		}
		if(j==1){
			endd=aa;
		}
		if(bb>=ss){
			for(int i=aa+bb;i<n;i+=bb){
				adj[aa][0].pb({{i,0},(i-aa)/bb});
			}
			for(int i=aa-bb;i>=0;i-=bb){
				adj[aa][0].pb({{i,0},(aa-i)/bb});
			}
		}
		else{
			adj[aa][0].pb({{aa,bb},0});
		//	adj[aa][bb].pb({{aa,0},0});
		}
	}
	/*for(int i=0;i<n;i++){
		for(int j=1;j<ss;j++){
			if(i+j<n){
				adj[i][j].pb({{i+j,j},1});
			}
			if(i-j>=0 and i-j<n){
				adj[i][j].pb({{i-j,j},1});
			}
			adj[i][j].pb({{i,0},0});

		}
	}*/
	priority_queue<pair<int,pair<int,int>>> ac;
	ac.push({0,{st,0}});
	dist[st][0]=0;
	while(ac.size()){
		pair<int,pair<int,int>> no=ac.top();
		ac.pop();
		no.a=-no.a;
		if(dist[no.b.a][no.b.b]<no.a){
			continue;
		}
	//	cout<<no.b.a<<","<<no.b.b<<","<<no.a<<endl;
		for(auto j:adj[no.b.a][no.b.b]){
			if(dist[j.a.a][j.a.b]==-1 or dist[j.a.a][j.a.b]>dist[no.b.a][no.b.b]+j.b){
				dist[j.a.a][j.a.b]=dist[no.b.a][no.b.b]+j.b;
				ac.push({-dist[j.a.a][j.a.b],{j.a}});
			}
		}
		if(no.b.b>0){
			if(no.b.a+no.b.b<n){
				if(dist[no.b.a+no.b.b][no.b.b]==-1 or dist[no.b.a+no.b.b][no.b.b]>dist[no.b.a][no.b.b]+1){
					dist[no.b.a+no.b.b][no.b.b]=dist[no.b.a][no.b.b]+1;
					ac.push({-dist[no.b.a+no.b.b][no.b.b],{no.b.a+no.b.b,no.b.b}});
				}
			}
			if(no.b.a-no.b.b>=0){
				if(dist[no.b.a-no.b.b][no.b.b]==-1 or dist[no.b.a-no.b.b][no.b.b]>dist[no.b.a][no.b.b]+1){
					dist[no.b.a-no.b.b][no.b.b]=dist[no.b.a][no.b.b]+1;
					ac.push({-dist[no.b.a-no.b.b][no.b.b],{no.b.a-no.b.b,no.b.b}});
				}
			}
			if(dist[no.b.a][0]==-1 or dist[no.b.a][0]>dist[no.b.a][no.b.b]){
				dist[no.b.a][0]=dist[no.b.a][no.b.b];
				ac.push({-dist[no.b.a][0],{no.b.a,0}});
			}
		}


	}
	cout<<dist[endd][0]<<endl;








	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:56:13: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized]
  dist[st][0]=0;
  ~~~~~~~~~~~^~
skyscraper.cpp:92:20: warning: 'endd' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<dist[endd][0]<<endl;
                    ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 11008 KB Output is correct
2 Correct 10 ms 11008 KB Output is correct
3 Correct 11 ms 11008 KB Output is correct
4 Correct 11 ms 11008 KB Output is correct
5 Correct 11 ms 11008 KB Output is correct
6 Correct 11 ms 11008 KB Output is correct
7 Correct 11 ms 11008 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 11008 KB Output is correct
2 Correct 11 ms 11008 KB Output is correct
3 Correct 11 ms 11008 KB Output is correct
4 Correct 11 ms 11008 KB Output is correct
5 Correct 11 ms 11008 KB Output is correct
6 Correct 11 ms 11136 KB Output is correct
7 Correct 11 ms 11008 KB Output is correct
8 Correct 11 ms 11008 KB Output is correct
9 Correct 10 ms 11008 KB Output is correct
10 Correct 11 ms 11008 KB Output is correct
11 Correct 11 ms 11136 KB Output is correct
12 Correct 11 ms 11008 KB Output is correct
13 Correct 11 ms 11008 KB Output is correct
14 Correct 11 ms 11136 KB Output is correct
15 Correct 11 ms 11136 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 11008 KB Output is correct
2 Correct 11 ms 11008 KB Output is correct
3 Correct 11 ms 11008 KB Output is correct
4 Correct 13 ms 11008 KB Output is correct
5 Correct 11 ms 11008 KB Output is correct
6 Correct 11 ms 11008 KB Output is correct
7 Correct 11 ms 11008 KB Output is correct
8 Correct 11 ms 11008 KB Output is correct
9 Correct 10 ms 11008 KB Output is correct
10 Correct 11 ms 11136 KB Output is correct
11 Correct 11 ms 11136 KB Output is correct
12 Correct 11 ms 11008 KB Output is correct
13 Correct 12 ms 11008 KB Output is correct
14 Correct 11 ms 11136 KB Output is correct
15 Correct 12 ms 11136 KB Output is correct
16 Correct 11 ms 11008 KB Output is correct
17 Correct 12 ms 11264 KB Output is correct
18 Correct 11 ms 11136 KB Output is correct
19 Correct 11 ms 11136 KB Output is correct
20 Correct 11 ms 11136 KB Output is correct
21 Correct 11 ms 11008 KB Output is correct
22 Correct 11 ms 11136 KB Output is correct
23 Correct 12 ms 11136 KB Output is correct
24 Correct 12 ms 11264 KB Output is correct
25 Correct 12 ms 11008 KB Output is correct
26 Correct 12 ms 11136 KB Output is correct
27 Correct 12 ms 11136 KB Output is correct
28 Correct 12 ms 11264 KB Output is correct
29 Correct 14 ms 12032 KB Output is correct
30 Correct 12 ms 11392 KB Output is correct
31 Correct 12 ms 11520 KB Output is correct
32 Correct 12 ms 11392 KB Output is correct
33 Correct 16 ms 12800 KB Output is correct
34 Correct 16 ms 12672 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11008 KB Output is correct
2 Correct 12 ms 11008 KB Output is correct
3 Correct 11 ms 11008 KB Output is correct
4 Correct 11 ms 11136 KB Output is correct
5 Correct 11 ms 11008 KB Output is correct
6 Correct 11 ms 11008 KB Output is correct
7 Correct 10 ms 11008 KB Output is correct
8 Correct 11 ms 11008 KB Output is correct
9 Correct 11 ms 11008 KB Output is correct
10 Correct 11 ms 11008 KB Output is correct
11 Correct 13 ms 11136 KB Output is correct
12 Correct 11 ms 11008 KB Output is correct
13 Correct 11 ms 11136 KB Output is correct
14 Correct 11 ms 11136 KB Output is correct
15 Correct 12 ms 11136 KB Output is correct
16 Correct 11 ms 11008 KB Output is correct
17 Correct 12 ms 11136 KB Output is correct
18 Correct 11 ms 11136 KB Output is correct
19 Correct 11 ms 11008 KB Output is correct
20 Correct 11 ms 11136 KB Output is correct
21 Correct 11 ms 11008 KB Output is correct
22 Correct 11 ms 11136 KB Output is correct
23 Correct 12 ms 11136 KB Output is correct
24 Correct 12 ms 11264 KB Output is correct
25 Correct 12 ms 11136 KB Output is correct
26 Correct 12 ms 11136 KB Output is correct
27 Correct 11 ms 11136 KB Output is correct
28 Correct 12 ms 11264 KB Output is correct
29 Correct 14 ms 12032 KB Output is correct
30 Correct 12 ms 11392 KB Output is correct
31 Correct 12 ms 11520 KB Output is correct
32 Correct 14 ms 11392 KB Output is correct
33 Correct 16 ms 12800 KB Output is correct
34 Correct 16 ms 12672 KB Output is correct
35 Correct 21 ms 12416 KB Output is correct
36 Correct 13 ms 11264 KB Output is correct
37 Correct 24 ms 14080 KB Output is correct
38 Correct 25 ms 13440 KB Output is correct
39 Correct 30 ms 13688 KB Output is correct
40 Correct 26 ms 13440 KB Output is correct
41 Correct 25 ms 13440 KB Output is correct
42 Correct 17 ms 11644 KB Output is correct
43 Correct 18 ms 11588 KB Output is correct
44 Correct 16 ms 11604 KB Output is correct
45 Correct 28 ms 17920 KB Output is correct
46 Correct 27 ms 17912 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 11008 KB Output is correct
2 Correct 11 ms 11008 KB Output is correct
3 Correct 11 ms 11008 KB Output is correct
4 Correct 11 ms 11024 KB Output is correct
5 Correct 11 ms 11008 KB Output is correct
6 Correct 11 ms 11008 KB Output is correct
7 Correct 11 ms 11008 KB Output is correct
8 Correct 10 ms 11008 KB Output is correct
9 Correct 11 ms 11008 KB Output is correct
10 Correct 11 ms 11008 KB Output is correct
11 Correct 11 ms 11136 KB Output is correct
12 Correct 11 ms 11008 KB Output is correct
13 Correct 11 ms 11008 KB Output is correct
14 Correct 11 ms 11136 KB Output is correct
15 Correct 12 ms 11136 KB Output is correct
16 Correct 11 ms 11008 KB Output is correct
17 Correct 12 ms 11264 KB Output is correct
18 Correct 11 ms 11136 KB Output is correct
19 Correct 12 ms 11008 KB Output is correct
20 Correct 11 ms 11136 KB Output is correct
21 Correct 11 ms 11008 KB Output is correct
22 Correct 11 ms 11136 KB Output is correct
23 Correct 11 ms 11136 KB Output is correct
24 Correct 12 ms 11136 KB Output is correct
25 Correct 12 ms 11008 KB Output is correct
26 Correct 12 ms 11136 KB Output is correct
27 Correct 11 ms 11136 KB Output is correct
28 Correct 12 ms 11264 KB Output is correct
29 Correct 13 ms 12032 KB Output is correct
30 Correct 12 ms 11392 KB Output is correct
31 Correct 12 ms 11520 KB Output is correct
32 Correct 12 ms 11392 KB Output is correct
33 Correct 16 ms 12928 KB Output is correct
34 Correct 19 ms 12800 KB Output is correct
35 Correct 20 ms 12416 KB Output is correct
36 Correct 12 ms 11264 KB Output is correct
37 Correct 23 ms 14080 KB Output is correct
38 Correct 24 ms 13440 KB Output is correct
39 Correct 25 ms 13440 KB Output is correct
40 Correct 24 ms 13492 KB Output is correct
41 Correct 28 ms 13440 KB Output is correct
42 Correct 17 ms 11644 KB Output is correct
43 Correct 16 ms 11588 KB Output is correct
44 Correct 16 ms 11604 KB Output is correct
45 Correct 28 ms 18048 KB Output is correct
46 Correct 27 ms 17920 KB Output is correct
47 Correct 69 ms 22388 KB Output is correct
48 Correct 22 ms 13568 KB Output is correct
49 Correct 20 ms 12928 KB Output is correct
50 Correct 18 ms 12672 KB Output is correct
51 Correct 61 ms 15348 KB Output is correct
52 Correct 63 ms 15740 KB Output is correct
53 Correct 23 ms 11136 KB Output is correct
54 Correct 13 ms 11008 KB Output is correct
55 Correct 13 ms 11008 KB Output is correct
56 Correct 25 ms 11904 KB Output is correct
57 Correct 142 ms 43016 KB Output is correct
58 Correct 21 ms 11900 KB Output is correct
59 Correct 26 ms 12364 KB Output is correct
60 Correct 28 ms 13252 KB Output is correct
61 Correct 26 ms 12096 KB Output is correct
62 Correct 42 ms 16632 KB Output is correct
63 Correct 85 ms 46132 KB Output is correct
64 Correct 101 ms 59316 KB Output is correct
65 Correct 133 ms 68400 KB Output is correct
66 Correct 241 ms 108024 KB Output is correct
67 Correct 241 ms 108892 KB Output is correct