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답안 #233337

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
233337 2020-05-20T09:15:31 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 200 ms 111068 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=5;
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

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4480 KB Output is correct
2 Correct 7 ms 4480 KB Output is correct
3 Correct 7 ms 4480 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4480 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4480 KB Output is correct
2 Correct 7 ms 4480 KB Output is correct
3 Correct 7 ms 4480 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4480 KB Output is correct
8 Correct 7 ms 4480 KB Output is correct
9 Correct 7 ms 4480 KB Output is correct
10 Correct 7 ms 4480 KB Output is correct
11 Correct 8 ms 4608 KB Output is correct
12 Correct 7 ms 4480 KB Output is correct
13 Correct 7 ms 4480 KB Output is correct
14 Correct 7 ms 4480 KB Output is correct
15 Correct 7 ms 4480 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4480 KB Output is correct
2 Correct 7 ms 4480 KB Output is correct
3 Correct 7 ms 4480 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4608 KB Output is correct
8 Correct 7 ms 4480 KB Output is correct
9 Correct 8 ms 4480 KB Output is correct
10 Correct 7 ms 4480 KB Output is correct
11 Correct 7 ms 4608 KB Output is correct
12 Correct 7 ms 4480 KB Output is correct
13 Correct 7 ms 4480 KB Output is correct
14 Correct 7 ms 4480 KB Output is correct
15 Correct 7 ms 4480 KB Output is correct
16 Correct 7 ms 4480 KB Output is correct
17 Correct 8 ms 4736 KB Output is correct
18 Correct 8 ms 4608 KB Output is correct
19 Correct 7 ms 4480 KB Output is correct
20 Correct 8 ms 4480 KB Output is correct
21 Correct 7 ms 4480 KB Output is correct
22 Correct 7 ms 4480 KB Output is correct
23 Correct 7 ms 4480 KB Output is correct
24 Correct 8 ms 4736 KB Output is correct
25 Correct 8 ms 4480 KB Output is correct
26 Correct 8 ms 4608 KB Output is correct
27 Correct 8 ms 4608 KB Output is correct
28 Correct 8 ms 4736 KB Output is correct
29 Correct 9 ms 5504 KB Output is correct
30 Correct 8 ms 4736 KB Output is correct
31 Correct 8 ms 4992 KB Output is correct
32 Correct 8 ms 4864 KB Output is correct
33 Correct 11 ms 6400 KB Output is correct
34 Correct 11 ms 6400 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 4480 KB Output is correct
2 Correct 7 ms 4480 KB Output is correct
3 Correct 7 ms 4480 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4608 KB Output is correct
7 Correct 7 ms 4480 KB Output is correct
8 Correct 7 ms 4480 KB Output is correct
9 Correct 7 ms 4480 KB Output is correct
10 Correct 7 ms 4480 KB Output is correct
11 Correct 7 ms 4480 KB Output is correct
12 Correct 7 ms 4480 KB Output is correct
13 Correct 7 ms 4480 KB Output is correct
14 Correct 7 ms 4480 KB Output is correct
15 Correct 7 ms 4480 KB Output is correct
16 Correct 7 ms 4480 KB Output is correct
17 Correct 8 ms 4736 KB Output is correct
18 Correct 7 ms 4480 KB Output is correct
19 Correct 7 ms 4480 KB Output is correct
20 Correct 7 ms 4480 KB Output is correct
21 Correct 7 ms 4480 KB Output is correct
22 Correct 7 ms 4480 KB Output is correct
23 Correct 7 ms 4480 KB Output is correct
24 Correct 8 ms 4736 KB Output is correct
25 Correct 8 ms 4480 KB Output is correct
26 Correct 7 ms 4608 KB Output is correct
27 Correct 7 ms 4480 KB Output is correct
28 Correct 10 ms 4740 KB Output is correct
29 Correct 9 ms 5504 KB Output is correct
30 Correct 8 ms 4736 KB Output is correct
31 Correct 9 ms 4992 KB Output is correct
32 Correct 8 ms 4864 KB Output is correct
33 Correct 11 ms 6400 KB Output is correct
34 Correct 11 ms 6400 KB Output is correct
35 Correct 16 ms 6144 KB Output is correct
36 Correct 9 ms 4736 KB Output is correct
37 Correct 18 ms 8192 KB Output is correct
38 Correct 20 ms 7424 KB Output is correct
39 Correct 20 ms 7424 KB Output is correct
40 Correct 20 ms 7296 KB Output is correct
41 Correct 21 ms 7296 KB Output is correct
42 Correct 13 ms 5116 KB Output is correct
43 Correct 13 ms 5056 KB Output is correct
44 Correct 13 ms 4948 KB Output is correct
45 Correct 22 ms 11520 KB Output is correct
46 Correct 22 ms 11520 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4480 KB Output is correct
2 Correct 7 ms 4480 KB Output is correct
3 Correct 7 ms 4480 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4480 KB Output is correct
8 Correct 7 ms 4480 KB Output is correct
9 Correct 7 ms 4480 KB Output is correct
10 Correct 7 ms 4480 KB Output is correct
11 Correct 7 ms 4480 KB Output is correct
12 Correct 7 ms 4480 KB Output is correct
13 Correct 7 ms 4480 KB Output is correct
14 Correct 8 ms 4608 KB Output is correct
15 Correct 7 ms 4480 KB Output is correct
16 Correct 7 ms 4480 KB Output is correct
17 Correct 8 ms 4736 KB Output is correct
18 Correct 7 ms 4480 KB Output is correct
19 Correct 7 ms 4480 KB Output is correct
20 Correct 8 ms 4480 KB Output is correct
21 Correct 8 ms 4480 KB Output is correct
22 Correct 7 ms 4480 KB Output is correct
23 Correct 8 ms 4480 KB Output is correct
24 Correct 8 ms 4736 KB Output is correct
25 Correct 7 ms 4480 KB Output is correct
26 Correct 8 ms 4608 KB Output is correct
27 Correct 7 ms 4480 KB Output is correct
28 Correct 8 ms 4736 KB Output is correct
29 Correct 9 ms 5504 KB Output is correct
30 Correct 8 ms 4736 KB Output is correct
31 Correct 8 ms 4992 KB Output is correct
32 Correct 8 ms 4864 KB Output is correct
33 Correct 11 ms 6400 KB Output is correct
34 Correct 11 ms 6400 KB Output is correct
35 Correct 19 ms 6144 KB Output is correct
36 Correct 9 ms 4736 KB Output is correct
37 Correct 18 ms 8192 KB Output is correct
38 Correct 20 ms 7424 KB Output is correct
39 Correct 20 ms 7424 KB Output is correct
40 Correct 20 ms 7424 KB Output is correct
41 Correct 19 ms 7296 KB Output is correct
42 Correct 12 ms 5116 KB Output is correct
43 Correct 12 ms 5056 KB Output is correct
44 Correct 13 ms 4948 KB Output is correct
45 Correct 22 ms 11520 KB Output is correct
46 Correct 22 ms 11520 KB Output is correct
47 Correct 59 ms 18164 KB Output is correct
48 Correct 18 ms 7424 KB Output is correct
49 Correct 16 ms 6528 KB Output is correct
50 Correct 14 ms 6400 KB Output is correct
51 Correct 46 ms 9340 KB Output is correct
52 Correct 49 ms 9388 KB Output is correct
53 Correct 17 ms 4608 KB Output is correct
54 Correct 7 ms 4480 KB Output is correct
55 Correct 9 ms 4480 KB Output is correct
56 Correct 18 ms 5376 KB Output is correct
57 Correct 158 ms 68256 KB Output is correct
58 Correct 13 ms 5372 KB Output is correct
59 Correct 18 ms 6204 KB Output is correct
60 Correct 19 ms 7092 KB Output is correct
61 Correct 18 ms 5696 KB Output is correct
62 Correct 32 ms 10752 KB Output is correct
63 Correct 76 ms 39604 KB Output is correct
64 Correct 91 ms 52660 KB Output is correct
65 Correct 123 ms 62056 KB Output is correct
66 Correct 199 ms 105644 KB Output is correct
67 Correct 200 ms 111068 KB Output is correct