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Submission #233319

# Submission time Handle Problem Language Result Execution time Memory
233319 2020-05-20T09:05:56 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 794 ms 147364 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=110;
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 56 ms 90744 KB Output is correct
2 Correct 57 ms 90744 KB Output is correct
3 Correct 56 ms 90744 KB Output is correct
4 Correct 54 ms 90744 KB Output is correct
5 Correct 54 ms 90744 KB Output is correct
6 Correct 54 ms 90752 KB Output is correct
7 Correct 55 ms 90792 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 90744 KB Output is correct
2 Correct 56 ms 90744 KB Output is correct
3 Correct 55 ms 90752 KB Output is correct
4 Correct 55 ms 90744 KB Output is correct
5 Correct 56 ms 90744 KB Output is correct
6 Correct 55 ms 90744 KB Output is correct
7 Correct 55 ms 90744 KB Output is correct
8 Correct 55 ms 90748 KB Output is correct
9 Correct 55 ms 90744 KB Output is correct
10 Correct 59 ms 90744 KB Output is correct
11 Correct 56 ms 90872 KB Output is correct
12 Correct 60 ms 90748 KB Output is correct
13 Correct 55 ms 90744 KB Output is correct
14 Correct 56 ms 90880 KB Output is correct
15 Correct 56 ms 90872 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 90744 KB Output is correct
2 Correct 57 ms 90720 KB Output is correct
3 Correct 56 ms 90744 KB Output is correct
4 Correct 57 ms 90744 KB Output is correct
5 Correct 54 ms 90752 KB Output is correct
6 Correct 54 ms 90744 KB Output is correct
7 Correct 55 ms 90744 KB Output is correct
8 Correct 55 ms 90744 KB Output is correct
9 Correct 55 ms 90744 KB Output is correct
10 Correct 56 ms 90748 KB Output is correct
11 Correct 57 ms 90876 KB Output is correct
12 Correct 55 ms 90744 KB Output is correct
13 Correct 56 ms 90744 KB Output is correct
14 Correct 55 ms 90796 KB Output is correct
15 Correct 55 ms 90872 KB Output is correct
16 Correct 56 ms 90744 KB Output is correct
17 Correct 58 ms 90872 KB Output is correct
18 Correct 54 ms 90744 KB Output is correct
19 Correct 55 ms 90744 KB Output is correct
20 Correct 56 ms 90744 KB Output is correct
21 Correct 56 ms 90744 KB Output is correct
22 Correct 56 ms 90744 KB Output is correct
23 Correct 56 ms 90744 KB Output is correct
24 Correct 57 ms 90872 KB Output is correct
25 Correct 59 ms 90752 KB Output is correct
26 Correct 56 ms 90744 KB Output is correct
27 Correct 56 ms 90872 KB Output is correct
28 Correct 58 ms 90872 KB Output is correct
29 Correct 66 ms 90744 KB Output is correct
30 Correct 58 ms 90744 KB Output is correct
31 Correct 60 ms 90748 KB Output is correct
32 Correct 58 ms 90704 KB Output is correct
33 Correct 71 ms 90880 KB Output is correct
34 Correct 70 ms 90872 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 90744 KB Output is correct
2 Correct 56 ms 90744 KB Output is correct
3 Correct 55 ms 90760 KB Output is correct
4 Correct 55 ms 90744 KB Output is correct
5 Correct 56 ms 90744 KB Output is correct
6 Correct 58 ms 90888 KB Output is correct
7 Correct 55 ms 90744 KB Output is correct
8 Correct 55 ms 90744 KB Output is correct
9 Correct 55 ms 90752 KB Output is correct
10 Correct 56 ms 90752 KB Output is correct
11 Correct 56 ms 90872 KB Output is correct
12 Correct 57 ms 90872 KB Output is correct
13 Correct 54 ms 90744 KB Output is correct
14 Correct 56 ms 90872 KB Output is correct
15 Correct 56 ms 90872 KB Output is correct
16 Correct 54 ms 90744 KB Output is correct
17 Correct 57 ms 90872 KB Output is correct
18 Correct 55 ms 90744 KB Output is correct
19 Correct 55 ms 90744 KB Output is correct
20 Correct 55 ms 90744 KB Output is correct
21 Correct 56 ms 90744 KB Output is correct
22 Correct 55 ms 90752 KB Output is correct
23 Correct 56 ms 90744 KB Output is correct
24 Correct 58 ms 90872 KB Output is correct
25 Correct 56 ms 90744 KB Output is correct
26 Correct 57 ms 90744 KB Output is correct
27 Correct 56 ms 90744 KB Output is correct
28 Correct 59 ms 90872 KB Output is correct
29 Correct 64 ms 90744 KB Output is correct
30 Correct 57 ms 90744 KB Output is correct
31 Correct 60 ms 90744 KB Output is correct
32 Correct 59 ms 90744 KB Output is correct
33 Correct 73 ms 90872 KB Output is correct
34 Correct 73 ms 90872 KB Output is correct
35 Correct 71 ms 91512 KB Output is correct
36 Correct 59 ms 90812 KB Output is correct
37 Correct 77 ms 92280 KB Output is correct
38 Correct 77 ms 92024 KB Output is correct
39 Correct 88 ms 92024 KB Output is correct
40 Correct 81 ms 92024 KB Output is correct
41 Correct 80 ms 92024 KB Output is correct
42 Correct 68 ms 91320 KB Output is correct
43 Correct 60 ms 91320 KB Output is correct
44 Correct 63 ms 91344 KB Output is correct
45 Correct 112 ms 95096 KB Output is correct
46 Correct 98 ms 95224 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 90744 KB Output is correct
2 Correct 62 ms 90748 KB Output is correct
3 Correct 70 ms 90744 KB Output is correct
4 Correct 55 ms 90744 KB Output is correct
5 Correct 57 ms 90744 KB Output is correct
6 Correct 57 ms 90744 KB Output is correct
7 Correct 56 ms 90744 KB Output is correct
8 Correct 57 ms 90720 KB Output is correct
9 Correct 58 ms 90744 KB Output is correct
10 Correct 57 ms 90792 KB Output is correct
11 Correct 66 ms 90872 KB Output is correct
12 Correct 61 ms 90872 KB Output is correct
13 Correct 59 ms 90872 KB Output is correct
14 Correct 60 ms 90872 KB Output is correct
15 Correct 58 ms 90872 KB Output is correct
16 Correct 57 ms 90744 KB Output is correct
17 Correct 60 ms 90880 KB Output is correct
18 Correct 59 ms 90744 KB Output is correct
19 Correct 59 ms 90744 KB Output is correct
20 Correct 62 ms 90872 KB Output is correct
21 Correct 63 ms 90740 KB Output is correct
22 Correct 60 ms 90744 KB Output is correct
23 Correct 65 ms 90744 KB Output is correct
24 Correct 59 ms 90948 KB Output is correct
25 Correct 56 ms 90744 KB Output is correct
26 Correct 57 ms 90744 KB Output is correct
27 Correct 63 ms 90764 KB Output is correct
28 Correct 59 ms 90872 KB Output is correct
29 Correct 70 ms 90872 KB Output is correct
30 Correct 62 ms 90804 KB Output is correct
31 Correct 60 ms 90776 KB Output is correct
32 Correct 58 ms 90744 KB Output is correct
33 Correct 80 ms 90848 KB Output is correct
34 Correct 72 ms 90872 KB Output is correct
35 Correct 70 ms 91488 KB Output is correct
36 Correct 58 ms 90872 KB Output is correct
37 Correct 82 ms 92152 KB Output is correct
38 Correct 78 ms 92024 KB Output is correct
39 Correct 82 ms 92024 KB Output is correct
40 Correct 84 ms 92104 KB Output is correct
41 Correct 80 ms 92152 KB Output is correct
42 Correct 71 ms 91320 KB Output is correct
43 Correct 61 ms 91320 KB Output is correct
44 Correct 67 ms 91340 KB Output is correct
45 Correct 102 ms 95096 KB Output is correct
46 Correct 109 ms 95224 KB Output is correct
47 Correct 180 ms 97796 KB Output is correct
48 Correct 71 ms 92524 KB Output is correct
49 Correct 65 ms 92152 KB Output is correct
50 Correct 65 ms 91896 KB Output is correct
51 Correct 124 ms 93752 KB Output is correct
52 Correct 136 ms 93880 KB Output is correct
53 Correct 74 ms 90916 KB Output is correct
54 Correct 57 ms 90692 KB Output is correct
55 Correct 61 ms 90744 KB Output is correct
56 Correct 74 ms 91640 KB Output is correct
57 Correct 173 ms 90876 KB Output is correct
58 Correct 69 ms 91320 KB Output is correct
59 Correct 84 ms 91320 KB Output is correct
60 Correct 84 ms 91964 KB Output is correct
61 Correct 81 ms 91580 KB Output is correct
62 Correct 112 ms 94584 KB Output is correct
63 Correct 157 ms 125880 KB Output is correct
64 Correct 163 ms 138936 KB Output is correct
65 Correct 240 ms 146300 KB Output is correct
66 Correct 775 ms 147364 KB Output is correct
67 Correct 794 ms 146768 KB Output is correct