oj.uz

Submission #205631

# Submission time Handle Problem Language Result Execution time Memory
205631 2020-02-29T10:51:15 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 417 ms 180984 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;

#define mp make_pair
#define pb push_back

#define a first
#define b second
#define endl "\n"
 int 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,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]));
	}

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

	aaa.push_back(mp(b[0],p[0]));
	aaa.push_back(mp(b[0],2010));
	while(!aaa.empty()){
		pair<int,int> 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 or dis[nn.a][nn.b]>dis[x.a][x.b]+co){
				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]][p[1]]<<endl;




	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 112120 KB Output is correct
2 Correct 77 ms 112120 KB Output is correct
3 Correct 77 ms 112120 KB Output is correct
4 Correct 75 ms 112120 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 79 ms 112248 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 75 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 78 ms 112120 KB Output is correct
5 Correct 78 ms 112120 KB Output is correct
6 Correct 79 ms 112120 KB Output is correct
7 Correct 76 ms 112120 KB Output is correct
8 Correct 77 ms 112120 KB Output is correct
9 Correct 78 ms 112120 KB Output is correct
10 Correct 77 ms 112252 KB Output is correct
11 Correct 78 ms 112376 KB Output is correct
12 Correct 84 ms 115500 KB Output is correct
13 Correct 84 ms 115576 KB Output is correct
14 Correct 82 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 77 ms 112120 KB Output is correct
2 Correct 76 ms 112120 KB Output is correct
3 Correct 76 ms 112120 KB Output is correct
4 Correct 75 ms 112120 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 78 ms 112120 KB Output is correct
8 Correct 78 ms 112120 KB Output is correct
9 Correct 76 ms 112120 KB Output is correct
10 Correct 77 ms 112376 KB Output is correct
11 Correct 77 ms 112376 KB Output is correct
12 Correct 84 ms 115448 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 78 ms 112376 KB Output is correct
15 Correct 79 ms 112248 KB Output is correct
16 Correct 77 ms 112248 KB Output is correct
17 Correct 85 ms 112760 KB Output is correct
18 Correct 78 ms 112376 KB Output is correct
19 Correct 81 ms 112248 KB Output is correct
20 Correct 406 ms 180984 KB Output is correct
21 Correct 80 ms 112248 KB Output is correct
22 Correct 79 ms 112252 KB Output is correct
23 Correct 80 ms 112280 KB Output is correct
24 Correct 85 ms 112508 KB Output is correct
25 Correct 78 ms 112376 KB Output is correct
26 Correct 382 ms 176736 KB Output is correct
27 Correct 368 ms 175140 KB Output is correct
28 Correct 85 ms 112888 KB Output is correct
29 Correct 100 ms 114044 KB Output is correct
30 Correct 82 ms 112632 KB Output is correct
31 Correct 89 ms 113144 KB Output is correct
32 Correct 86 ms 112888 KB Output is correct
33 Correct 124 ms 115960 KB Output is correct
34 Correct 126 ms 115960 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 112168 KB Output is correct
2 Correct 79 ms 112248 KB Output is correct
3 Correct 77 ms 112120 KB Output is correct
4 Correct 80 ms 112168 KB Output is correct
5 Correct 81 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 78 ms 112248 KB Output is correct
8 Correct 77 ms 112120 KB Output is correct
9 Correct 80 ms 112248 KB Output is correct
10 Correct 85 ms 112120 KB Output is correct
11 Correct 78 ms 112376 KB Output is correct
12 Correct 85 ms 115448 KB Output is correct
13 Correct 86 ms 115700 KB Output is correct
14 Correct 82 ms 112248 KB Output is correct
15 Correct 78 ms 112248 KB Output is correct
16 Correct 78 ms 112248 KB Output is correct
17 Correct 83 ms 112760 KB Output is correct
18 Correct 84 ms 112436 KB Output is correct
19 Correct 78 ms 112248 KB Output is correct
20 Correct 403 ms 180984 KB Output is correct
21 Correct 76 ms 112120 KB Output is correct
22 Correct 79 ms 112376 KB Output is correct
23 Correct 80 ms 112308 KB Output is correct
24 Correct 84 ms 112504 KB Output is correct
25 Correct 79 ms 112376 KB Output is correct
26 Correct 385 ms 176908 KB Output is correct
27 Correct 363 ms 175100 KB Output is correct
28 Correct 84 ms 112888 KB Output is correct
29 Correct 102 ms 114136 KB Output is correct
30 Correct 83 ms 112760 KB Output is correct
31 Correct 89 ms 113144 KB Output is correct
32 Correct 87 ms 112888 KB Output is correct
33 Correct 132 ms 115960 KB Output is correct
34 Correct 131 ms 115960 KB Output is correct
35 Incorrect 133 ms 115960 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 112096 KB Output is correct
2 Correct 78 ms 112120 KB Output is correct
3 Correct 78 ms 112120 KB Output is correct
4 Correct 79 ms 112112 KB Output is correct
5 Correct 76 ms 112120 KB Output is correct
6 Correct 78 ms 112120 KB Output is correct
7 Correct 79 ms 112248 KB Output is correct
8 Correct 77 ms 112120 KB Output is correct
9 Correct 75 ms 112120 KB Output is correct
10 Correct 78 ms 112120 KB Output is correct
11 Correct 80 ms 112380 KB Output is correct
12 Correct 84 ms 115448 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 80 ms 112264 KB Output is correct
15 Correct 80 ms 112248 KB Output is correct
16 Correct 77 ms 112248 KB Output is correct
17 Correct 84 ms 112716 KB Output is correct
18 Correct 78 ms 112376 KB Output is correct
19 Correct 79 ms 112504 KB Output is correct
20 Correct 417 ms 180856 KB Output is correct
21 Correct 80 ms 112248 KB Output is correct
22 Correct 79 ms 112376 KB Output is correct
23 Correct 89 ms 112376 KB Output is correct
24 Correct 82 ms 112504 KB Output is correct
25 Correct 82 ms 112376 KB Output is correct
26 Correct 387 ms 176636 KB Output is correct
27 Correct 363 ms 175096 KB Output is correct
28 Correct 88 ms 112888 KB Output is correct
29 Correct 102 ms 114168 KB Output is correct
30 Correct 84 ms 112760 KB Output is correct
31 Correct 89 ms 113144 KB Output is correct
32 Correct 87 ms 112888 KB Output is correct
33 Correct 127 ms 115960 KB Output is correct
34 Correct 128 ms 116108 KB Output is correct
35 Incorrect 137 ms 115960 KB Output isn't correct
36 Halted 0 ms 0 KB -