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Submission #205609

# Submission time Handle Problem Language Result Execution time Memory
205609 2020-02-29T10:00:31 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 412 ms 180984 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;
//typedef int64_t int;
//#define mp make_pairr
#define pb push_back
#define int64_t int
/*#define a first
#define b second*/
#define endl "\n"
 int dis[2020][2020];
 
 int b[2020];
	int p[2020];
struct pairr{
	int a;
	int b;

};
vector<pairr> adj[2020][2020];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n,m;
	cin>>n>>m;
	
	//map<pairr<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]){
			pairr ac;
			ac.a=j;
			ac.b=p[i];
			adj[j+p[i]][p[i]].pb(ac);
			ac.b=2010;
			adj[j+p[i]][p[i]].pb(ac);
		}
		for(int j=b[i]+p[i];j<n;j=j+p[i]){
			pairr ac;
			ac.a=j;
			ac.b=p[i];
			adj[j-p[i]][p[i]].pb(ac);
			ac.b=2010;
			adj[j-p[i]][p[i]].pb(ac);
		}
			pairr ac;
			ac.a=b[i];
			ac.b=p[i];
		adj[b[i]][2010].pb(ac);
	}



	
	memset(dis,-1,sizeof(dis));
	dis[b[0]][2010]=0;
	dis[b[0]][p[0]]=0;
	deque<pairr> aaa;
	pairr ac;
			ac.a=b[0];
			ac.b=p[0];
	aaa.push_back(ac);
	ac.b=2010;
	aaa.push_back(ac);
	while(!aaa.empty()){
		pairr x;

		 x=aaa.front();
		// cout<<x.a<<" "<<x.b<<" "<<dis[x.a][x.b]<<endl;
		aaa.pop_front();
		int co=1;
		if(x.b==2010){
			co=0;
		}
		for(auto nn:adj[x.a][x.b]){
			if(dis[nn.a][nn.b]==-1){
				dis[nn.a][nn.b]=dis[x.a][x.b]+co;
				if(co==0){
					aaa.push_front(nn);
				}
				else{
					aaa.push_back(nn);
				}
			}
		}
	}
	if(b[0]==b[1]){
		cout<<0<<endl;
		return 0;
	}

	cout<<dis[b[1]][2010]<<endl;




	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 112120 KB Output is correct
2 Correct 78 ms 112120 KB Output is correct
3 Correct 75 ms 112120 KB Output is correct
4 Correct 77 ms 112120 KB Output is correct
5 Correct 79 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 77 ms 112120 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 112376 KB Output is correct
2 Correct 76 ms 112120 KB Output is correct
3 Correct 80 ms 112120 KB Output is correct
4 Correct 80 ms 112120 KB Output is correct
5 Correct 86 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 84 ms 112120 KB Output is correct
8 Correct 79 ms 112120 KB Output is correct
9 Correct 79 ms 112120 KB Output is correct
10 Correct 86 ms 112120 KB Output is correct
11 Correct 79 ms 112376 KB Output is correct
12 Correct 85 ms 115448 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 77 ms 112248 KB Output is correct
15 Correct 78 ms 112248 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 112120 KB Output is correct
2 Correct 76 ms 112120 KB Output is correct
3 Correct 79 ms 112120 KB Output is correct
4 Correct 77 ms 112120 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 80 ms 112120 KB Output is correct
7 Correct 78 ms 112120 KB Output is correct
8 Correct 77 ms 112188 KB Output is correct
9 Correct 78 ms 112120 KB Output is correct
10 Correct 76 ms 112120 KB Output is correct
11 Correct 80 ms 112504 KB Output is correct
12 Correct 86 ms 115448 KB Output is correct
13 Correct 87 ms 115576 KB Output is correct
14 Correct 76 ms 112252 KB Output is correct
15 Correct 79 ms 112252 KB Output is correct
16 Correct 79 ms 112248 KB Output is correct
17 Correct 82 ms 112760 KB Output is correct
18 Correct 81 ms 112376 KB Output is correct
19 Correct 81 ms 112248 KB Output is correct
20 Correct 410 ms 180984 KB Output is correct
21 Correct 78 ms 112248 KB Output is correct
22 Correct 82 ms 112248 KB Output is correct
23 Correct 80 ms 112376 KB Output is correct
24 Correct 87 ms 112632 KB Output is correct
25 Correct 80 ms 112376 KB Output is correct
26 Correct 387 ms 176632 KB Output is correct
27 Correct 370 ms 175228 KB Output is correct
28 Correct 85 ms 112888 KB Output is correct
29 Correct 100 ms 114040 KB Output is correct
30 Correct 85 ms 112632 KB Output is correct
31 Correct 90 ms 113272 KB Output is correct
32 Correct 86 ms 112888 KB Output is correct
33 Correct 126 ms 115836 KB Output is correct
34 Correct 125 ms 115960 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 112120 KB Output is correct
2 Correct 79 ms 112120 KB Output is correct
3 Correct 76 ms 112120 KB Output is correct
4 Correct 81 ms 112120 KB Output is correct
5 Correct 78 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 82 ms 112120 KB Output is correct
8 Correct 77 ms 112120 KB Output is correct
9 Correct 80 ms 112120 KB Output is correct
10 Correct 80 ms 112248 KB Output is correct
11 Correct 78 ms 112428 KB Output is correct
12 Correct 87 ms 115624 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 80 ms 112248 KB Output is correct
15 Correct 78 ms 112376 KB Output is correct
16 Correct 79 ms 112268 KB Output is correct
17 Correct 87 ms 112760 KB Output is correct
18 Correct 82 ms 112376 KB Output is correct
19 Correct 85 ms 112248 KB Output is correct
20 Correct 412 ms 180984 KB Output is correct
21 Correct 77 ms 112120 KB Output is correct
22 Correct 95 ms 112376 KB Output is correct
23 Correct 80 ms 112376 KB Output is correct
24 Correct 83 ms 112476 KB Output is correct
25 Correct 82 ms 112504 KB Output is correct
26 Correct 405 ms 176660 KB Output is correct
27 Correct 373 ms 175224 KB Output is correct
28 Correct 86 ms 112888 KB Output is correct
29 Correct 101 ms 114040 KB Output is correct
30 Correct 86 ms 112632 KB Output is correct
31 Correct 90 ms 113144 KB Output is correct
32 Correct 87 ms 112888 KB Output is correct
33 Correct 128 ms 115960 KB Output is correct
34 Correct 126 ms 115960 KB Output is correct
35 Incorrect 134 ms 115964 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 112376 KB Output is correct
2 Correct 76 ms 112096 KB Output is correct
3 Correct 77 ms 112120 KB Output is correct
4 Correct 80 ms 112124 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 75 ms 112120 KB Output is correct
7 Correct 78 ms 112120 KB Output is correct
8 Correct 80 ms 112120 KB Output is correct
9 Correct 78 ms 112120 KB Output is correct
10 Correct 79 ms 112120 KB Output is correct
11 Correct 81 ms 112376 KB Output is correct
12 Correct 85 ms 115576 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 79 ms 112248 KB Output is correct
15 Correct 77 ms 112248 KB Output is correct
16 Correct 78 ms 112376 KB Output is correct
17 Correct 93 ms 112760 KB Output is correct
18 Correct 79 ms 112376 KB Output is correct
19 Correct 78 ms 112248 KB Output is correct
20 Correct 408 ms 180856 KB Output is correct
21 Correct 77 ms 112120 KB Output is correct
22 Correct 78 ms 112248 KB Output is correct
23 Correct 80 ms 112376 KB Output is correct
24 Correct 85 ms 112504 KB Output is correct
25 Correct 79 ms 112376 KB Output is correct
26 Correct 386 ms 176760 KB Output is correct
27 Correct 371 ms 175096 KB Output is correct
28 Correct 88 ms 112888 KB Output is correct
29 Correct 103 ms 114216 KB Output is correct
30 Correct 83 ms 112632 KB Output is correct
31 Correct 89 ms 113216 KB Output is correct
32 Correct 86 ms 112888 KB Output is correct
33 Correct 126 ms 115960 KB Output is correct
34 Correct 124 ms 115832 KB Output is correct
35 Incorrect 131 ms 115960 KB Output isn't correct
36 Halted 0 ms 0 KB -