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Submission #233296

# Submission time Handle Problem Language Result Execution time Memory
233296 2020-05-20T08:48:22 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 342 ms 262148 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;
int ss=180;
vector<pair<pair<int,int>,int>> adj[30001][180];//((index,power),dist)
int dist[30001][180];
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<180;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}});
			}
		}
	}
	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:72:20: 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 89 ms 148344 KB Output is correct
2 Correct 87 ms 148348 KB Output is correct
3 Correct 88 ms 148344 KB Output is correct
4 Correct 88 ms 148344 KB Output is correct
5 Correct 87 ms 148344 KB Output is correct
6 Correct 91 ms 148344 KB Output is correct
7 Correct 96 ms 148344 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 148348 KB Output is correct
2 Correct 90 ms 148344 KB Output is correct
3 Correct 90 ms 148344 KB Output is correct
4 Correct 91 ms 148344 KB Output is correct
5 Correct 92 ms 148344 KB Output is correct
6 Correct 89 ms 148344 KB Output is correct
7 Correct 95 ms 148344 KB Output is correct
8 Correct 92 ms 148472 KB Output is correct
9 Correct 89 ms 148728 KB Output is correct
10 Correct 91 ms 148856 KB Output is correct
11 Correct 97 ms 148984 KB Output is correct
12 Correct 92 ms 149112 KB Output is correct
13 Correct 90 ms 148984 KB Output is correct
14 Correct 91 ms 148984 KB Output is correct
15 Correct 93 ms 148988 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 148344 KB Output is correct
2 Correct 97 ms 148320 KB Output is correct
3 Correct 87 ms 148344 KB Output is correct
4 Correct 88 ms 148344 KB Output is correct
5 Correct 89 ms 148344 KB Output is correct
6 Correct 89 ms 148344 KB Output is correct
7 Correct 92 ms 148344 KB Output is correct
8 Correct 87 ms 148472 KB Output is correct
9 Correct 91 ms 148600 KB Output is correct
10 Correct 91 ms 148984 KB Output is correct
11 Correct 90 ms 148984 KB Output is correct
12 Correct 90 ms 148984 KB Output is correct
13 Correct 91 ms 148984 KB Output is correct
14 Correct 96 ms 148984 KB Output is correct
15 Correct 94 ms 148984 KB Output is correct
16 Correct 94 ms 149752 KB Output is correct
17 Correct 114 ms 155660 KB Output is correct
18 Correct 132 ms 166904 KB Output is correct
19 Correct 142 ms 169720 KB Output is correct
20 Correct 151 ms 169776 KB Output is correct
21 Correct 99 ms 151672 KB Output is correct
22 Correct 137 ms 167288 KB Output is correct
23 Correct 134 ms 165240 KB Output is correct
24 Correct 143 ms 168696 KB Output is correct
25 Correct 146 ms 169720 KB Output is correct
26 Correct 143 ms 169724 KB Output is correct
27 Correct 140 ms 169724 KB Output is correct
28 Correct 146 ms 169720 KB Output is correct
29 Correct 154 ms 169720 KB Output is correct
30 Correct 148 ms 169720 KB Output is correct
31 Correct 150 ms 169696 KB Output is correct
32 Correct 154 ms 169720 KB Output is correct
33 Correct 174 ms 169760 KB Output is correct
34 Correct 177 ms 169976 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 148344 KB Output is correct
2 Correct 88 ms 148216 KB Output is correct
3 Correct 101 ms 148280 KB Output is correct
4 Correct 87 ms 148344 KB Output is correct
5 Correct 88 ms 148472 KB Output is correct
6 Correct 92 ms 148344 KB Output is correct
7 Correct 94 ms 148344 KB Output is correct
8 Correct 90 ms 148472 KB Output is correct
9 Correct 91 ms 148728 KB Output is correct
10 Correct 91 ms 148984 KB Output is correct
11 Correct 90 ms 148984 KB Output is correct
12 Correct 95 ms 148984 KB Output is correct
13 Correct 91 ms 148984 KB Output is correct
14 Correct 93 ms 148984 KB Output is correct
15 Correct 91 ms 148984 KB Output is correct
16 Correct 93 ms 149728 KB Output is correct
17 Correct 116 ms 155716 KB Output is correct
18 Correct 139 ms 166904 KB Output is correct
19 Correct 142 ms 169724 KB Output is correct
20 Correct 147 ms 169816 KB Output is correct
21 Correct 95 ms 151672 KB Output is correct
22 Correct 148 ms 167308 KB Output is correct
23 Correct 128 ms 165240 KB Output is correct
24 Correct 190 ms 168696 KB Output is correct
25 Correct 146 ms 169720 KB Output is correct
26 Correct 154 ms 169768 KB Output is correct
27 Correct 154 ms 169720 KB Output is correct
28 Correct 155 ms 169712 KB Output is correct
29 Correct 158 ms 169720 KB Output is correct
30 Correct 153 ms 169732 KB Output is correct
31 Correct 162 ms 169792 KB Output is correct
32 Correct 154 ms 169752 KB Output is correct
33 Correct 177 ms 169824 KB Output is correct
34 Correct 172 ms 169824 KB Output is correct
35 Correct 168 ms 163948 KB Output is correct
36 Correct 122 ms 159584 KB Output is correct
37 Correct 193 ms 170080 KB Output is correct
38 Correct 201 ms 170748 KB Output is correct
39 Correct 188 ms 170744 KB Output is correct
40 Correct 185 ms 170744 KB Output is correct
41 Correct 190 ms 170744 KB Output is correct
42 Correct 152 ms 170072 KB Output is correct
43 Correct 159 ms 170064 KB Output is correct
44 Correct 189 ms 170132 KB Output is correct
45 Correct 242 ms 172600 KB Output is correct
46 Correct 283 ms 172620 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 148316 KB Output is correct
2 Correct 94 ms 148216 KB Output is correct
3 Correct 86 ms 148344 KB Output is correct
4 Correct 85 ms 148344 KB Output is correct
5 Correct 99 ms 148344 KB Output is correct
6 Correct 83 ms 148332 KB Output is correct
7 Correct 96 ms 148344 KB Output is correct
8 Correct 100 ms 148576 KB Output is correct
9 Correct 95 ms 148676 KB Output is correct
10 Correct 88 ms 148860 KB Output is correct
11 Correct 97 ms 148984 KB Output is correct
12 Correct 88 ms 148984 KB Output is correct
13 Correct 101 ms 148916 KB Output is correct
14 Correct 91 ms 148984 KB Output is correct
15 Correct 92 ms 148984 KB Output is correct
16 Correct 102 ms 149704 KB Output is correct
17 Correct 123 ms 155640 KB Output is correct
18 Correct 138 ms 166904 KB Output is correct
19 Correct 136 ms 169720 KB Output is correct
20 Correct 141 ms 169848 KB Output is correct
21 Correct 103 ms 151676 KB Output is correct
22 Correct 140 ms 167288 KB Output is correct
23 Correct 130 ms 165240 KB Output is correct
24 Correct 150 ms 168696 KB Output is correct
25 Correct 154 ms 169720 KB Output is correct
26 Correct 147 ms 169720 KB Output is correct
27 Correct 142 ms 169720 KB Output is correct
28 Correct 146 ms 169720 KB Output is correct
29 Correct 162 ms 169720 KB Output is correct
30 Correct 145 ms 169720 KB Output is correct
31 Correct 151 ms 169720 KB Output is correct
32 Correct 155 ms 169672 KB Output is correct
33 Correct 171 ms 169764 KB Output is correct
34 Correct 174 ms 169724 KB Output is correct
35 Correct 152 ms 164124 KB Output is correct
36 Correct 124 ms 159608 KB Output is correct
37 Correct 196 ms 170232 KB Output is correct
38 Correct 196 ms 170872 KB Output is correct
39 Correct 188 ms 170872 KB Output is correct
40 Correct 187 ms 170936 KB Output is correct
41 Correct 181 ms 170872 KB Output is correct
42 Correct 150 ms 170224 KB Output is correct
43 Correct 156 ms 170232 KB Output is correct
44 Correct 150 ms 170212 KB Output is correct
45 Correct 228 ms 172728 KB Output is correct
46 Correct 237 ms 172728 KB Output is correct
47 Runtime error 342 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -