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답안 #233333

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
233333 2020-05-20T09:13:54 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 235 ms 107724 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=10;
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 10 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 9 ms 8576 KB Output is correct
7 Correct 10 ms 8576 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 11 ms 8576 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 9 ms 8576 KB Output is correct
6 Correct 9 ms 8576 KB Output is correct
7 Correct 9 ms 8576 KB Output is correct
8 Correct 11 ms 8576 KB Output is correct
9 Correct 9 ms 8576 KB Output is correct
10 Correct 9 ms 8576 KB Output is correct
11 Correct 12 ms 8704 KB Output is correct
12 Correct 10 ms 8576 KB Output is correct
13 Correct 10 ms 8576 KB Output is correct
14 Correct 10 ms 8576 KB Output is correct
15 Correct 10 ms 8704 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 9 ms 8576 KB Output is correct
6 Correct 9 ms 8576 KB Output is correct
7 Correct 9 ms 8576 KB Output is correct
8 Correct 9 ms 8576 KB Output is correct
9 Correct 9 ms 8576 KB Output is correct
10 Correct 10 ms 8576 KB Output is correct
11 Correct 10 ms 8576 KB Output is correct
12 Correct 11 ms 8576 KB Output is correct
13 Correct 10 ms 8576 KB Output is correct
14 Correct 10 ms 8704 KB Output is correct
15 Correct 10 ms 8576 KB Output is correct
16 Correct 9 ms 8576 KB Output is correct
17 Correct 11 ms 8704 KB Output is correct
18 Correct 10 ms 8576 KB Output is correct
19 Correct 10 ms 8576 KB Output is correct
20 Correct 10 ms 8576 KB Output is correct
21 Correct 9 ms 8576 KB Output is correct
22 Correct 10 ms 8576 KB Output is correct
23 Correct 11 ms 8576 KB Output is correct
24 Correct 11 ms 8704 KB Output is correct
25 Correct 10 ms 8576 KB Output is correct
26 Correct 11 ms 8704 KB Output is correct
27 Correct 13 ms 8576 KB Output is correct
28 Correct 11 ms 8832 KB Output is correct
29 Correct 12 ms 9600 KB Output is correct
30 Correct 11 ms 8960 KB Output is correct
31 Correct 11 ms 9088 KB Output is correct
32 Correct 11 ms 8960 KB Output is correct
33 Correct 14 ms 10368 KB Output is correct
34 Correct 15 ms 10368 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8704 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 10 ms 8576 KB Output is correct
7 Correct 10 ms 8576 KB Output is correct
8 Correct 9 ms 8576 KB Output is correct
9 Correct 10 ms 8576 KB Output is correct
10 Correct 9 ms 8576 KB Output is correct
11 Correct 10 ms 8576 KB Output is correct
12 Correct 10 ms 8576 KB Output is correct
13 Correct 10 ms 8576 KB Output is correct
14 Correct 10 ms 8576 KB Output is correct
15 Correct 10 ms 8576 KB Output is correct
16 Correct 9 ms 8576 KB Output is correct
17 Correct 13 ms 8832 KB Output is correct
18 Correct 10 ms 8704 KB Output is correct
19 Correct 9 ms 8576 KB Output is correct
20 Correct 10 ms 8576 KB Output is correct
21 Correct 9 ms 8576 KB Output is correct
22 Correct 9 ms 8576 KB Output is correct
23 Correct 10 ms 8704 KB Output is correct
24 Correct 11 ms 8704 KB Output is correct
25 Correct 10 ms 8576 KB Output is correct
26 Correct 10 ms 8704 KB Output is correct
27 Correct 10 ms 8704 KB Output is correct
28 Correct 11 ms 8832 KB Output is correct
29 Correct 12 ms 9728 KB Output is correct
30 Correct 11 ms 8960 KB Output is correct
31 Correct 11 ms 9088 KB Output is correct
32 Correct 11 ms 8960 KB Output is correct
33 Correct 14 ms 10368 KB Output is correct
34 Correct 15 ms 10368 KB Output is correct
35 Correct 19 ms 9984 KB Output is correct
36 Correct 12 ms 8832 KB Output is correct
37 Correct 22 ms 11776 KB Output is correct
38 Correct 23 ms 11136 KB Output is correct
39 Correct 26 ms 11136 KB Output is correct
40 Correct 24 ms 11136 KB Output is correct
41 Correct 25 ms 11008 KB Output is correct
42 Correct 15 ms 9152 KB Output is correct
43 Correct 16 ms 9152 KB Output is correct
44 Correct 18 ms 9044 KB Output is correct
45 Correct 34 ms 15456 KB Output is correct
46 Correct 26 ms 15360 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 10 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 11 ms 8576 KB Output is correct
5 Correct 9 ms 8576 KB Output is correct
6 Correct 9 ms 8576 KB Output is correct
7 Correct 10 ms 8576 KB Output is correct
8 Correct 10 ms 8576 KB Output is correct
9 Correct 9 ms 8576 KB Output is correct
10 Correct 9 ms 8576 KB Output is correct
11 Correct 10 ms 8576 KB Output is correct
12 Correct 10 ms 8576 KB Output is correct
13 Correct 10 ms 8576 KB Output is correct
14 Correct 10 ms 8576 KB Output is correct
15 Correct 10 ms 8576 KB Output is correct
16 Correct 10 ms 8576 KB Output is correct
17 Correct 11 ms 8704 KB Output is correct
18 Correct 10 ms 8576 KB Output is correct
19 Correct 10 ms 8576 KB Output is correct
20 Correct 10 ms 8576 KB Output is correct
21 Correct 11 ms 8576 KB Output is correct
22 Correct 10 ms 8576 KB Output is correct
23 Correct 10 ms 8576 KB Output is correct
24 Correct 12 ms 8832 KB Output is correct
25 Correct 11 ms 8576 KB Output is correct
26 Correct 10 ms 8704 KB Output is correct
27 Correct 10 ms 8576 KB Output is correct
28 Correct 11 ms 8764 KB Output is correct
29 Correct 12 ms 9856 KB Output is correct
30 Correct 10 ms 8960 KB Output is correct
31 Correct 11 ms 9088 KB Output is correct
32 Correct 10 ms 8960 KB Output is correct
33 Correct 14 ms 10368 KB Output is correct
34 Correct 17 ms 10368 KB Output is correct
35 Correct 19 ms 10016 KB Output is correct
36 Correct 12 ms 8704 KB Output is correct
37 Correct 22 ms 11776 KB Output is correct
38 Correct 23 ms 11136 KB Output is correct
39 Correct 23 ms 11136 KB Output is correct
40 Correct 23 ms 11008 KB Output is correct
41 Correct 24 ms 11136 KB Output is correct
42 Correct 15 ms 9152 KB Output is correct
43 Correct 15 ms 9152 KB Output is correct
44 Correct 15 ms 9104 KB Output is correct
45 Correct 25 ms 15360 KB Output is correct
46 Correct 26 ms 15360 KB Output is correct
47 Correct 62 ms 20548 KB Output is correct
48 Correct 21 ms 11136 KB Output is correct
49 Correct 19 ms 10496 KB Output is correct
50 Correct 17 ms 10368 KB Output is correct
51 Correct 55 ms 12924 KB Output is correct
52 Correct 57 ms 13308 KB Output is correct
53 Correct 21 ms 8704 KB Output is correct
54 Correct 10 ms 8576 KB Output is correct
55 Correct 12 ms 8576 KB Output is correct
56 Correct 21 ms 9472 KB Output is correct
57 Correct 138 ms 47648 KB Output is correct
58 Correct 18 ms 9468 KB Output is correct
59 Correct 23 ms 9932 KB Output is correct
60 Correct 25 ms 10820 KB Output is correct
61 Correct 23 ms 9664 KB Output is correct
62 Correct 39 ms 14328 KB Output is correct
63 Correct 85 ms 43700 KB Output is correct
64 Correct 96 ms 56756 KB Output is correct
65 Correct 128 ms 65968 KB Output is correct
66 Correct 235 ms 107396 KB Output is correct
67 Correct 220 ms 107724 KB Output is correct