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Submission #233299

# Submission time Handle Problem Language Result Execution time Memory
233299 2020-05-20T08:49:17 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 572 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;
const int ss=150;
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}});
			}
		}
	}
	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 84 ms 123596 KB Output is correct
2 Correct 76 ms 123640 KB Output is correct
3 Correct 76 ms 123664 KB Output is correct
4 Correct 78 ms 123640 KB Output is correct
5 Correct 74 ms 123640 KB Output is correct
6 Correct 74 ms 123640 KB Output is correct
7 Correct 77 ms 123640 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 123640 KB Output is correct
2 Correct 74 ms 123640 KB Output is correct
3 Correct 79 ms 123640 KB Output is correct
4 Correct 81 ms 123640 KB Output is correct
5 Correct 74 ms 123640 KB Output is correct
6 Correct 79 ms 123640 KB Output is correct
7 Correct 74 ms 123640 KB Output is correct
8 Correct 74 ms 123768 KB Output is correct
9 Correct 80 ms 123896 KB Output is correct
10 Correct 77 ms 124152 KB Output is correct
11 Correct 79 ms 124280 KB Output is correct
12 Correct 74 ms 124152 KB Output is correct
13 Correct 77 ms 124152 KB Output is correct
14 Correct 78 ms 124280 KB Output is correct
15 Correct 78 ms 124280 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 123640 KB Output is correct
2 Correct 80 ms 123768 KB Output is correct
3 Correct 75 ms 123640 KB Output is correct
4 Correct 79 ms 123640 KB Output is correct
5 Correct 75 ms 123640 KB Output is correct
6 Correct 77 ms 123640 KB Output is correct
7 Correct 78 ms 123640 KB Output is correct
8 Correct 73 ms 123768 KB Output is correct
9 Correct 83 ms 123896 KB Output is correct
10 Correct 79 ms 124152 KB Output is correct
11 Correct 79 ms 124280 KB Output is correct
12 Correct 77 ms 124152 KB Output is correct
13 Correct 76 ms 124152 KB Output is correct
14 Correct 76 ms 124280 KB Output is correct
15 Correct 80 ms 124280 KB Output is correct
16 Correct 81 ms 124920 KB Output is correct
17 Correct 98 ms 129916 KB Output is correct
18 Correct 112 ms 139256 KB Output is correct
19 Correct 121 ms 141560 KB Output is correct
20 Correct 118 ms 141688 KB Output is correct
21 Correct 82 ms 126584 KB Output is correct
22 Correct 112 ms 139512 KB Output is correct
23 Correct 114 ms 137848 KB Output is correct
24 Correct 119 ms 140792 KB Output is correct
25 Correct 118 ms 141612 KB Output is correct
26 Correct 121 ms 141560 KB Output is correct
27 Correct 124 ms 141672 KB Output is correct
28 Correct 124 ms 141688 KB Output is correct
29 Correct 132 ms 141560 KB Output is correct
30 Correct 123 ms 141560 KB Output is correct
31 Correct 131 ms 141708 KB Output is correct
32 Correct 122 ms 141560 KB Output is correct
33 Correct 149 ms 141664 KB Output is correct
34 Correct 151 ms 141688 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 123640 KB Output is correct
2 Correct 79 ms 123640 KB Output is correct
3 Correct 74 ms 123640 KB Output is correct
4 Correct 74 ms 123640 KB Output is correct
5 Correct 74 ms 123640 KB Output is correct
6 Correct 76 ms 123652 KB Output is correct
7 Correct 73 ms 123640 KB Output is correct
8 Correct 77 ms 123768 KB Output is correct
9 Correct 77 ms 123896 KB Output is correct
10 Correct 76 ms 124152 KB Output is correct
11 Correct 79 ms 124280 KB Output is correct
12 Correct 78 ms 124152 KB Output is correct
13 Correct 75 ms 124152 KB Output is correct
14 Correct 83 ms 124284 KB Output is correct
15 Correct 81 ms 124280 KB Output is correct
16 Correct 79 ms 124920 KB Output is correct
17 Correct 94 ms 129912 KB Output is correct
18 Correct 112 ms 139256 KB Output is correct
19 Correct 118 ms 141580 KB Output is correct
20 Correct 119 ms 141688 KB Output is correct
21 Correct 82 ms 126712 KB Output is correct
22 Correct 112 ms 139612 KB Output is correct
23 Correct 112 ms 137848 KB Output is correct
24 Correct 126 ms 140664 KB Output is correct
25 Correct 120 ms 141652 KB Output is correct
26 Correct 122 ms 141544 KB Output is correct
27 Correct 124 ms 141560 KB Output is correct
28 Correct 123 ms 141688 KB Output is correct
29 Correct 135 ms 141688 KB Output is correct
30 Correct 123 ms 141592 KB Output is correct
31 Correct 126 ms 141688 KB Output is correct
32 Correct 125 ms 141560 KB Output is correct
33 Correct 145 ms 141688 KB Output is correct
34 Correct 148 ms 141972 KB Output is correct
35 Correct 136 ms 136952 KB Output is correct
36 Correct 104 ms 133112 KB Output is correct
37 Correct 165 ms 142200 KB Output is correct
38 Correct 162 ms 142712 KB Output is correct
39 Correct 160 ms 142712 KB Output is correct
40 Correct 165 ms 142712 KB Output is correct
41 Correct 165 ms 142712 KB Output is correct
42 Correct 129 ms 142068 KB Output is correct
43 Correct 135 ms 141960 KB Output is correct
44 Correct 133 ms 141960 KB Output is correct
45 Correct 197 ms 144696 KB Output is correct
46 Correct 195 ms 144696 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 123640 KB Output is correct
2 Correct 75 ms 123640 KB Output is correct
3 Correct 75 ms 123644 KB Output is correct
4 Correct 77 ms 123640 KB Output is correct
5 Correct 76 ms 123640 KB Output is correct
6 Correct 74 ms 123640 KB Output is correct
7 Correct 78 ms 123640 KB Output is correct
8 Correct 76 ms 123768 KB Output is correct
9 Correct 82 ms 124024 KB Output is correct
10 Correct 78 ms 124380 KB Output is correct
11 Correct 79 ms 124280 KB Output is correct
12 Correct 76 ms 124152 KB Output is correct
13 Correct 79 ms 124152 KB Output is correct
14 Correct 79 ms 124280 KB Output is correct
15 Correct 78 ms 124280 KB Output is correct
16 Correct 81 ms 124920 KB Output is correct
17 Correct 100 ms 129912 KB Output is correct
18 Correct 115 ms 139300 KB Output is correct
19 Correct 126 ms 141560 KB Output is correct
20 Correct 124 ms 141688 KB Output is correct
21 Correct 84 ms 126584 KB Output is correct
22 Correct 112 ms 139492 KB Output is correct
23 Correct 116 ms 137848 KB Output is correct
24 Correct 124 ms 140764 KB Output is correct
25 Correct 126 ms 141688 KB Output is correct
26 Correct 123 ms 141560 KB Output is correct
27 Correct 124 ms 141560 KB Output is correct
28 Correct 130 ms 141668 KB Output is correct
29 Correct 137 ms 141688 KB Output is correct
30 Correct 124 ms 141560 KB Output is correct
31 Correct 125 ms 141688 KB Output is correct
32 Correct 131 ms 141768 KB Output is correct
33 Correct 154 ms 141688 KB Output is correct
34 Correct 152 ms 141688 KB Output is correct
35 Correct 137 ms 136824 KB Output is correct
36 Correct 109 ms 133112 KB Output is correct
37 Correct 167 ms 142176 KB Output is correct
38 Correct 158 ms 142584 KB Output is correct
39 Correct 167 ms 142812 KB Output is correct
40 Correct 168 ms 142672 KB Output is correct
41 Correct 159 ms 142712 KB Output is correct
42 Correct 128 ms 141940 KB Output is correct
43 Correct 123 ms 141940 KB Output is correct
44 Correct 123 ms 141960 KB Output is correct
45 Correct 204 ms 144632 KB Output is correct
46 Correct 197 ms 144568 KB Output is correct
47 Correct 572 ms 244628 KB Output is correct
48 Runtime error 384 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -