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Submission #205656

# Submission time Handle Problem Language Result Execution time Memory
205656 2020-02-29T11:33:40 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 440 ms 197088 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;
typedef long long int llo;
#define mp make_pair
#define pb push_back

#define a first
#define b second
#define endl "\n"
 llo dis[2020][2020];
 
 int b[2020];
	int p[2020];

vector<pair<int,int>> adj[2020][2020];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;
	llo m;
	cin>>n>>m;
	
	//map<pair<int,int><int,int>,int> aa;
	
	for(int i=0;i<m;i++){
		cin>>b[i]>>p[i];
		for(int j=b[i]-p[i];j>=0;j=j-p[i]){

			adj[j+p[i]][p[i]].pb(mp(j,p[i]));
			adj[j+p[i]][p[i]].pb(mp(j,2010));
		}
		for(int j=b[i]+p[i];j<n;j=j+p[i]){
	
			adj[j-p[i]][p[i]].pb(mp(j,p[i]));
	
			adj[j-p[i]][p[i]].pb(mp(j,2010));
		}
	
		adj[b[i]][2010].pb(mp(b[i],p[i]));
		adj[b[i]][p[i]].pb(mp(b[i],2010));
	}

	
	memset(dis,-1,sizeof(dis));
	dis[b[0]][2010]=0;
	dis[b[0]][p[0]]=0;
	priority_queue<pair<llo,pair<int,int>>> aaa;

	aaa.push(mp(0,mp(b[0],p[0])));
	aaa.push(mp(0,mp(b[0],2010)));
	while(!aaa.empty()){
		pair<int,pair<int,int>> x;

		 x=aaa.top();
		// cout<<x.a<<" "<<x.b<<" "<<dis[x.a][x.b]<<endl;
		aaa.pop();
		x.a=-x.a;
		llo co=1;
		if(x.b.b==2010){
			co=0;
		}
		for(auto nn:adj[x.b.a][x.b.b]){
			if(dis[nn.a][nn.b]==-1 or dis[nn.a][nn.b]>x.a+co){
				/*int st=0;
				if(nn.b==2010 and x.b!=2010){
					co=0;
					st=1;
				}*/
				dis[nn.a][nn.b]=x.a+co;
				if(co==0){
					aaa.push(mp(-dis[nn.a][nn.b],nn));
				}
				else{
					aaa.push(mp(-dis[nn.a][nn.b],nn));
				}
				/*if(st){
					co=1;
				}*/
			}
		}
	}
/*	if(b[0]==b[1]){
		cout<<0<<endl;
		return 0;
	}*/

	cout<<dis[b[1]][p[1]]<<endl;




	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 128120 KB Output is correct
2 Correct 85 ms 128120 KB Output is correct
3 Correct 84 ms 128120 KB Output is correct
4 Correct 88 ms 128120 KB Output is correct
5 Correct 88 ms 128124 KB Output is correct
6 Correct 83 ms 128160 KB Output is correct
7 Correct 82 ms 128120 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 128120 KB Output is correct
2 Correct 92 ms 128120 KB Output is correct
3 Correct 86 ms 128248 KB Output is correct
4 Correct 86 ms 128120 KB Output is correct
5 Correct 84 ms 128120 KB Output is correct
6 Correct 89 ms 128120 KB Output is correct
7 Correct 94 ms 128120 KB Output is correct
8 Correct 97 ms 128248 KB Output is correct
9 Correct 84 ms 128120 KB Output is correct
10 Correct 86 ms 128224 KB Output is correct
11 Correct 85 ms 128380 KB Output is correct
12 Correct 95 ms 131448 KB Output is correct
13 Correct 91 ms 131572 KB Output is correct
14 Correct 87 ms 128376 KB Output is correct
15 Correct 87 ms 128376 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 128120 KB Output is correct
2 Correct 82 ms 128120 KB Output is correct
3 Correct 82 ms 128120 KB Output is correct
4 Correct 84 ms 128120 KB Output is correct
5 Correct 85 ms 128120 KB Output is correct
6 Correct 86 ms 128120 KB Output is correct
7 Correct 84 ms 128120 KB Output is correct
8 Correct 83 ms 128168 KB Output is correct
9 Correct 87 ms 128120 KB Output is correct
10 Correct 84 ms 128120 KB Output is correct
11 Correct 88 ms 128376 KB Output is correct
12 Correct 92 ms 131448 KB Output is correct
13 Correct 91 ms 131576 KB Output is correct
14 Correct 85 ms 128376 KB Output is correct
15 Correct 86 ms 128376 KB Output is correct
16 Correct 87 ms 128264 KB Output is correct
17 Correct 100 ms 128760 KB Output is correct
18 Correct 91 ms 128376 KB Output is correct
19 Correct 87 ms 128248 KB Output is correct
20 Correct 418 ms 197088 KB Output is correct
21 Correct 84 ms 128248 KB Output is correct
22 Correct 88 ms 128376 KB Output is correct
23 Correct 88 ms 128376 KB Output is correct
24 Correct 92 ms 128504 KB Output is correct
25 Correct 108 ms 128376 KB Output is correct
26 Correct 423 ms 192760 KB Output is correct
27 Correct 393 ms 191224 KB Output is correct
28 Correct 113 ms 128892 KB Output is correct
29 Correct 113 ms 130040 KB Output is correct
30 Correct 112 ms 128632 KB Output is correct
31 Correct 100 ms 129272 KB Output is correct
32 Correct 98 ms 128888 KB Output is correct
33 Correct 170 ms 131960 KB Output is correct
34 Correct 138 ms 131960 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 128120 KB Output is correct
2 Correct 86 ms 128120 KB Output is correct
3 Correct 83 ms 128120 KB Output is correct
4 Correct 99 ms 128120 KB Output is correct
5 Correct 94 ms 128120 KB Output is correct
6 Correct 81 ms 128120 KB Output is correct
7 Correct 89 ms 128152 KB Output is correct
8 Correct 84 ms 128124 KB Output is correct
9 Correct 84 ms 128120 KB Output is correct
10 Correct 87 ms 128248 KB Output is correct
11 Correct 101 ms 128388 KB Output is correct
12 Correct 89 ms 131448 KB Output is correct
13 Correct 108 ms 131576 KB Output is correct
14 Correct 102 ms 128376 KB Output is correct
15 Correct 98 ms 128352 KB Output is correct
16 Correct 85 ms 128224 KB Output is correct
17 Correct 95 ms 128760 KB Output is correct
18 Correct 86 ms 128388 KB Output is correct
19 Correct 87 ms 128260 KB Output is correct
20 Correct 412 ms 196984 KB Output is correct
21 Correct 86 ms 128248 KB Output is correct
22 Correct 88 ms 128376 KB Output is correct
23 Correct 91 ms 128504 KB Output is correct
24 Correct 94 ms 128504 KB Output is correct
25 Correct 89 ms 128504 KB Output is correct
26 Correct 393 ms 193036 KB Output is correct
27 Correct 373 ms 191224 KB Output is correct
28 Correct 97 ms 128888 KB Output is correct
29 Correct 139 ms 130040 KB Output is correct
30 Correct 98 ms 128668 KB Output is correct
31 Correct 100 ms 129144 KB Output is correct
32 Correct 94 ms 128888 KB Output is correct
33 Correct 139 ms 131960 KB Output is correct
34 Correct 144 ms 132088 KB Output is correct
35 Incorrect 183 ms 132872 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 128120 KB Output is correct
2 Correct 85 ms 128120 KB Output is correct
3 Correct 85 ms 128120 KB Output is correct
4 Correct 90 ms 128248 KB Output is correct
5 Correct 86 ms 128124 KB Output is correct
6 Correct 86 ms 128060 KB Output is correct
7 Correct 95 ms 128224 KB Output is correct
8 Correct 104 ms 128120 KB Output is correct
9 Correct 83 ms 128124 KB Output is correct
10 Correct 83 ms 128120 KB Output is correct
11 Correct 86 ms 128376 KB Output is correct
12 Correct 112 ms 131452 KB Output is correct
13 Correct 118 ms 131576 KB Output is correct
14 Correct 89 ms 128376 KB Output is correct
15 Correct 108 ms 128376 KB Output is correct
16 Correct 84 ms 128248 KB Output is correct
17 Correct 90 ms 128760 KB Output is correct
18 Correct 89 ms 128376 KB Output is correct
19 Correct 87 ms 128248 KB Output is correct
20 Correct 440 ms 196996 KB Output is correct
21 Correct 89 ms 128248 KB Output is correct
22 Correct 88 ms 128376 KB Output is correct
23 Correct 101 ms 128356 KB Output is correct
24 Correct 95 ms 128504 KB Output is correct
25 Correct 91 ms 128376 KB Output is correct
26 Correct 398 ms 192888 KB Output is correct
27 Correct 379 ms 191352 KB Output is correct
28 Correct 96 ms 128888 KB Output is correct
29 Correct 114 ms 130040 KB Output is correct
30 Correct 93 ms 128632 KB Output is correct
31 Correct 110 ms 129132 KB Output is correct
32 Correct 94 ms 128888 KB Output is correct
33 Correct 153 ms 131960 KB Output is correct
34 Correct 169 ms 131960 KB Output is correct
35 Incorrect 206 ms 132872 KB Output isn't correct
36 Halted 0 ms 0 KB -