Submission #205644

# Submission time Handle Problem Language Result Execution time Memory
205644 2020-02-29T11:16:42 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
414 ms 181308 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]));
		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;
	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){
				/*int st=0;
				if(nn.b==2010 and x.b!=2010){
					co=0;
					st=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(st){
					co=1;
				}*/
			}
		}
	}
/*	if(b[0]==b[1]){
		cout<<0<<endl;
		return 0;
	}*/

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




	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 78 ms 112120 KB Output is correct
2 Correct 78 ms 112116 KB Output is correct
3 Correct 76 ms 112120 KB Output is correct
4 Correct 77 ms 112120 KB Output is correct
5 Correct 74 ms 112120 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 76 ms 112120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 112120 KB Output is correct
2 Correct 77 ms 112120 KB Output is correct
3 Correct 76 ms 112248 KB Output is correct
4 Correct 76 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 77 ms 112120 KB Output is correct
8 Correct 75 ms 112120 KB Output is correct
9 Correct 79 ms 112248 KB Output is correct
10 Correct 78 ms 112248 KB Output is correct
11 Correct 78 ms 112408 KB Output is correct
12 Correct 86 ms 115580 KB Output is correct
13 Correct 83 ms 115576 KB Output is correct
14 Correct 81 ms 112376 KB Output is correct
15 Correct 78 ms 112376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 112120 KB Output is correct
2 Correct 82 ms 112120 KB Output is correct
3 Correct 76 ms 112120 KB Output is correct
4 Correct 75 ms 112248 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 84 ms 112120 KB Output is correct
7 Correct 79 ms 112248 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 112248 KB Output is correct
11 Correct 90 ms 112476 KB Output is correct
12 Correct 85 ms 115608 KB Output is correct
13 Correct 84 ms 115600 KB Output is correct
14 Correct 81 ms 112328 KB Output is correct
15 Correct 79 ms 112376 KB Output is correct
16 Correct 77 ms 112248 KB Output is correct
17 Correct 83 ms 112760 KB Output is correct
18 Correct 82 ms 112376 KB Output is correct
19 Correct 78 ms 112352 KB Output is correct
20 Correct 407 ms 181264 KB Output is correct
21 Correct 79 ms 112248 KB Output is correct
22 Correct 80 ms 112376 KB Output is correct
23 Correct 80 ms 112376 KB Output is correct
24 Correct 85 ms 112632 KB Output is correct
25 Correct 81 ms 112504 KB Output is correct
26 Correct 387 ms 176888 KB Output is correct
27 Correct 370 ms 175224 KB Output is correct
28 Correct 88 ms 112888 KB Output is correct
29 Correct 102 ms 114168 KB Output is correct
30 Correct 85 ms 112632 KB Output is correct
31 Correct 92 ms 113144 KB Output is correct
32 Correct 88 ms 112888 KB Output is correct
33 Correct 130 ms 115936 KB Output is correct
34 Correct 126 ms 115960 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 76 ms 112120 KB Output is correct
2 Correct 80 ms 112148 KB Output is correct
3 Correct 75 ms 112120 KB Output is correct
4 Correct 77 ms 112248 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 78 ms 112248 KB Output is correct
7 Correct 77 ms 112120 KB Output is correct
8 Correct 78 ms 112120 KB Output is correct
9 Correct 80 ms 112120 KB Output is correct
10 Correct 80 ms 112376 KB Output is correct
11 Correct 76 ms 112376 KB Output is correct
12 Correct 84 ms 115580 KB Output is correct
13 Correct 87 ms 115576 KB Output is correct
14 Correct 80 ms 112376 KB Output is correct
15 Correct 80 ms 112376 KB Output is correct
16 Correct 79 ms 112376 KB Output is correct
17 Correct 85 ms 112760 KB Output is correct
18 Correct 79 ms 112504 KB Output is correct
19 Correct 78 ms 112248 KB Output is correct
20 Correct 410 ms 181244 KB Output is correct
21 Correct 79 ms 112248 KB Output is correct
22 Correct 78 ms 112376 KB Output is correct
23 Correct 81 ms 112376 KB Output is correct
24 Correct 83 ms 112504 KB Output is correct
25 Correct 82 ms 112376 KB Output is correct
26 Correct 388 ms 176816 KB Output is correct
27 Correct 371 ms 175228 KB Output is correct
28 Correct 87 ms 112888 KB Output is correct
29 Correct 98 ms 114044 KB Output is correct
30 Correct 82 ms 112632 KB Output is correct
31 Correct 90 ms 113144 KB Output is correct
32 Correct 90 ms 112888 KB Output is correct
33 Correct 126 ms 115960 KB Output is correct
34 Correct 125 ms 115960 KB Output is correct
35 Incorrect 144 ms 116752 KB Output isn't correct
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 77 ms 112120 KB Output is correct
2 Correct 79 ms 112120 KB Output is correct
3 Correct 82 ms 112248 KB Output is correct
4 Correct 77 ms 112120 KB Output is correct
5 Correct 79 ms 112120 KB Output is correct
6 Correct 81 ms 112248 KB Output is correct
7 Correct 78 ms 112120 KB Output is correct
8 Correct 78 ms 112120 KB Output is correct
9 Correct 82 ms 112120 KB Output is correct
10 Correct 81 ms 112376 KB Output is correct
11 Correct 79 ms 112380 KB Output is correct
12 Correct 87 ms 115576 KB Output is correct
13 Correct 85 ms 115576 KB Output is correct
14 Correct 81 ms 112376 KB Output is correct
15 Correct 79 ms 112376 KB Output is correct
16 Correct 79 ms 112376 KB Output is correct
17 Correct 83 ms 112760 KB Output is correct
18 Correct 79 ms 112376 KB Output is correct
19 Correct 79 ms 112248 KB Output is correct
20 Correct 414 ms 181308 KB Output is correct
21 Correct 78 ms 112248 KB Output is correct
22 Correct 80 ms 112380 KB Output is correct
23 Correct 81 ms 112380 KB Output is correct
24 Correct 84 ms 112632 KB Output is correct
25 Correct 81 ms 112380 KB Output is correct
26 Correct 378 ms 176888 KB Output is correct
27 Correct 371 ms 175224 KB Output is correct
28 Correct 86 ms 112892 KB Output is correct
29 Correct 108 ms 114040 KB Output is correct
30 Correct 86 ms 112636 KB Output is correct
31 Correct 93 ms 113144 KB Output is correct
32 Correct 86 ms 112888 KB Output is correct
33 Correct 125 ms 115960 KB Output is correct
34 Correct 123 ms 115960 KB Output is correct
35 Incorrect 147 ms 116728 KB Output isn't correct
36 Halted 0 ms 0 KB -