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Submission #205607

# Submission time Handle Problem Language Result Execution time Memory
205607 2020-02-29T09:58:28 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 406 ms 178808 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;
//typedef int64_t int;
//#define mp make_pairr
#define pb push_back
/*#define a first
#define b second*/
#define endl "\n"
 int dis[2001][2001];
 
 int b[2001];
	int p[2001];
struct pairr{
	int a;
	int b;

};
vector<pairr> adj[2001][2001];
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=2000;
			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=2000;
			adj[j-p[i]][p[i]].pb(ac);
		}
			pairr ac;
			ac.a=b[i];
			ac.b=p[i];
		adj[b[i]][2000].pb(ac);
	}



	
	memset(dis,-1,sizeof(dis));
	dis[b[0]][2000]=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=2000;
	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==2000){
			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]][2000]<<endl;




	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 110072 KB Output is correct
2 Correct 76 ms 110200 KB Output is correct
3 Correct 75 ms 110076 KB Output is correct
4 Correct 77 ms 110072 KB Output is correct
5 Correct 75 ms 110072 KB Output is correct
6 Correct 76 ms 110072 KB Output is correct
7 Correct 77 ms 110072 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 110072 KB Output is correct
2 Correct 79 ms 110072 KB Output is correct
3 Correct 79 ms 110072 KB Output is correct
4 Correct 85 ms 110104 KB Output is correct
5 Correct 79 ms 110176 KB Output is correct
6 Correct 79 ms 110072 KB Output is correct
7 Correct 81 ms 110072 KB Output is correct
8 Correct 75 ms 110072 KB Output is correct
9 Correct 78 ms 110028 KB Output is correct
10 Correct 82 ms 110072 KB Output is correct
11 Correct 81 ms 110328 KB Output is correct
12 Correct 87 ms 113400 KB Output is correct
13 Correct 80 ms 113528 KB Output is correct
14 Correct 75 ms 110200 KB Output is correct
15 Correct 80 ms 110200 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 110072 KB Output is correct
2 Correct 80 ms 110072 KB Output is correct
3 Correct 78 ms 110072 KB Output is correct
4 Correct 76 ms 110080 KB Output is correct
5 Correct 77 ms 110072 KB Output is correct
6 Correct 77 ms 110072 KB Output is correct
7 Correct 78 ms 110072 KB Output is correct
8 Correct 80 ms 109944 KB Output is correct
9 Correct 78 ms 110072 KB Output is correct
10 Correct 79 ms 110200 KB Output is correct
11 Correct 79 ms 110328 KB Output is correct
12 Correct 82 ms 113400 KB Output is correct
13 Correct 88 ms 113528 KB Output is correct
14 Correct 79 ms 110200 KB Output is correct
15 Correct 81 ms 110200 KB Output is correct
16 Correct 80 ms 110200 KB Output is correct
17 Correct 85 ms 110712 KB Output is correct
18 Correct 83 ms 110200 KB Output is correct
19 Correct 79 ms 110200 KB Output is correct
20 Correct 400 ms 178808 KB Output is correct
21 Correct 76 ms 110072 KB Output is correct
22 Correct 78 ms 110200 KB Output is correct
23 Correct 82 ms 110328 KB Output is correct
24 Correct 86 ms 110456 KB Output is correct
25 Correct 80 ms 110328 KB Output is correct
26 Correct 392 ms 174820 KB Output is correct
27 Correct 366 ms 173048 KB Output is correct
28 Correct 87 ms 110972 KB Output is correct
29 Correct 103 ms 111992 KB Output is correct
30 Correct 82 ms 110584 KB Output is correct
31 Correct 90 ms 111152 KB Output is correct
32 Correct 96 ms 110872 KB Output is correct
33 Correct 124 ms 113784 KB Output is correct
34 Correct 126 ms 113784 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 110072 KB Output is correct
2 Correct 82 ms 110000 KB Output is correct
3 Correct 79 ms 110072 KB Output is correct
4 Correct 76 ms 109984 KB Output is correct
5 Correct 76 ms 110072 KB Output is correct
6 Correct 75 ms 109992 KB Output is correct
7 Correct 74 ms 110072 KB Output is correct
8 Correct 77 ms 110200 KB Output is correct
9 Correct 75 ms 110072 KB Output is correct
10 Correct 100 ms 110072 KB Output is correct
11 Correct 77 ms 110280 KB Output is correct
12 Correct 84 ms 113400 KB Output is correct
13 Correct 83 ms 113528 KB Output is correct
14 Correct 80 ms 110204 KB Output is correct
15 Correct 77 ms 110200 KB Output is correct
16 Correct 78 ms 110200 KB Output is correct
17 Correct 85 ms 110712 KB Output is correct
18 Correct 78 ms 110200 KB Output is correct
19 Correct 80 ms 110200 KB Output is correct
20 Correct 406 ms 178808 KB Output is correct
21 Correct 77 ms 110072 KB Output is correct
22 Correct 77 ms 110200 KB Output is correct
23 Correct 78 ms 110200 KB Output is correct
24 Correct 87 ms 110436 KB Output is correct
25 Correct 80 ms 110328 KB Output is correct
26 Correct 378 ms 174584 KB Output is correct
27 Correct 364 ms 173048 KB Output is correct
28 Correct 85 ms 110716 KB Output is correct
29 Correct 99 ms 111992 KB Output is correct
30 Correct 81 ms 110588 KB Output is correct
31 Correct 96 ms 111096 KB Output is correct
32 Correct 89 ms 110876 KB Output is correct
33 Correct 124 ms 113876 KB Output is correct
34 Correct 123 ms 113876 KB Output is correct
35 Incorrect 133 ms 114040 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 110072 KB Output is correct
2 Correct 77 ms 110040 KB Output is correct
3 Correct 77 ms 110072 KB Output is correct
4 Correct 75 ms 110072 KB Output is correct
5 Correct 78 ms 110016 KB Output is correct
6 Correct 75 ms 110072 KB Output is correct
7 Correct 76 ms 110200 KB Output is correct
8 Correct 75 ms 110072 KB Output is correct
9 Correct 77 ms 110072 KB Output is correct
10 Correct 77 ms 110152 KB Output is correct
11 Correct 77 ms 110328 KB Output is correct
12 Correct 83 ms 113400 KB Output is correct
13 Correct 82 ms 113528 KB Output is correct
14 Correct 77 ms 110200 KB Output is correct
15 Correct 78 ms 110200 KB Output is correct
16 Correct 76 ms 110200 KB Output is correct
17 Correct 84 ms 110712 KB Output is correct
18 Correct 87 ms 110328 KB Output is correct
19 Correct 75 ms 110200 KB Output is correct
20 Correct 396 ms 178808 KB Output is correct
21 Correct 78 ms 110200 KB Output is correct
22 Correct 77 ms 110264 KB Output is correct
23 Correct 83 ms 110200 KB Output is correct
24 Correct 83 ms 110456 KB Output is correct
25 Correct 86 ms 110328 KB Output is correct
26 Correct 390 ms 174596 KB Output is correct
27 Correct 363 ms 173048 KB Output is correct
28 Correct 85 ms 110712 KB Output is correct
29 Correct 100 ms 111992 KB Output is correct
30 Correct 84 ms 110712 KB Output is correct
31 Correct 89 ms 111096 KB Output is correct
32 Correct 84 ms 110840 KB Output is correct
33 Correct 124 ms 113784 KB Output is correct
34 Correct 126 ms 113784 KB Output is correct
35 Incorrect 132 ms 114040 KB Output isn't correct
36 Halted 0 ms 0 KB -