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Submission #205651

# Submission time Handle Problem Language Result Execution time Memory
205651 2020-02-29T11:27:32 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 455 ms 181112 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;
	priority_queue<pair<int,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;
		int 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 82 ms 112120 KB Output is correct
2 Correct 80 ms 112120 KB Output is correct
3 Correct 76 ms 112168 KB Output is correct
4 Correct 78 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 81 ms 112248 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 112120 KB Output is correct
2 Correct 77 ms 112120 KB Output is correct
3 Correct 76 ms 112124 KB Output is correct
4 Correct 73 ms 112120 KB Output is correct
5 Correct 80 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 112248 KB Output is correct
9 Correct 76 ms 112120 KB Output is correct
10 Correct 78 ms 112248 KB Output is correct
11 Correct 81 ms 112376 KB Output is correct
12 Correct 86 ms 115576 KB Output is correct
13 Correct 90 ms 115576 KB Output is correct
14 Correct 77 ms 112376 KB Output is correct
15 Correct 80 ms 112376 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 112248 KB Output is correct
2 Correct 76 ms 112120 KB Output is correct
3 Correct 77 ms 112120 KB Output is correct
4 Correct 76 ms 112120 KB Output is correct
5 Correct 77 ms 112180 KB Output is correct
6 Correct 75 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 75 ms 112120 KB Output is correct
10 Correct 77 ms 112248 KB Output is correct
11 Correct 81 ms 112380 KB Output is correct
12 Correct 87 ms 115704 KB Output is correct
13 Correct 88 ms 115592 KB Output is correct
14 Correct 83 ms 112376 KB Output is correct
15 Correct 79 ms 112376 KB Output is correct
16 Correct 83 ms 112248 KB Output is correct
17 Correct 90 ms 112976 KB Output is correct
18 Correct 86 ms 112376 KB Output is correct
19 Correct 81 ms 112248 KB Output is correct
20 Correct 411 ms 181088 KB Output is correct
21 Correct 81 ms 112248 KB Output is correct
22 Correct 85 ms 112376 KB Output is correct
23 Correct 85 ms 112376 KB Output is correct
24 Correct 88 ms 112632 KB Output is correct
25 Correct 81 ms 112376 KB Output is correct
26 Correct 385 ms 176880 KB Output is correct
27 Correct 381 ms 175328 KB Output is correct
28 Correct 88 ms 112888 KB Output is correct
29 Correct 109 ms 114168 KB Output is correct
30 Correct 86 ms 112760 KB Output is correct
31 Correct 95 ms 113272 KB Output is correct
32 Correct 89 ms 112888 KB Output is correct
33 Correct 140 ms 115960 KB Output is correct
34 Correct 133 ms 115960 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 112104 KB Output is correct
2 Correct 81 ms 112152 KB Output is correct
3 Correct 77 ms 112248 KB Output is correct
4 Correct 75 ms 112120 KB Output is correct
5 Correct 74 ms 112120 KB Output is correct
6 Correct 74 ms 112120 KB Output is correct
7 Correct 75 ms 112120 KB Output is correct
8 Correct 77 ms 112260 KB Output is correct
9 Correct 76 ms 112120 KB Output is correct
10 Correct 77 ms 112248 KB Output is correct
11 Correct 79 ms 112504 KB Output is correct
12 Correct 93 ms 115576 KB Output is correct
13 Correct 87 ms 115576 KB Output is correct
14 Correct 80 ms 112504 KB Output is correct
15 Correct 80 ms 112376 KB Output is correct
16 Correct 80 ms 112368 KB Output is correct
17 Correct 86 ms 112888 KB Output is correct
18 Correct 81 ms 112504 KB Output is correct
19 Correct 77 ms 112248 KB Output is correct
20 Correct 416 ms 181112 KB Output is correct
21 Correct 83 ms 112248 KB Output is correct
22 Correct 81 ms 112248 KB Output is correct
23 Correct 95 ms 112376 KB Output is correct
24 Correct 90 ms 112632 KB Output is correct
25 Correct 85 ms 112376 KB Output is correct
26 Correct 412 ms 176868 KB Output is correct
27 Correct 375 ms 175328 KB Output is correct
28 Correct 91 ms 112888 KB Output is correct
29 Correct 142 ms 114040 KB Output is correct
30 Correct 104 ms 112736 KB Output is correct
31 Correct 111 ms 113180 KB Output is correct
32 Correct 91 ms 112952 KB Output is correct
33 Correct 156 ms 115936 KB Output is correct
34 Correct 195 ms 116004 KB Output is correct
35 Incorrect 205 ms 116860 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 112192 KB Output is correct
2 Correct 91 ms 112176 KB Output is correct
3 Correct 88 ms 112064 KB Output is correct
4 Correct 100 ms 112072 KB Output is correct
5 Correct 90 ms 112120 KB Output is correct
6 Correct 90 ms 112096 KB Output is correct
7 Correct 77 ms 112068 KB Output is correct
8 Correct 79 ms 112120 KB Output is correct
9 Correct 99 ms 112160 KB Output is correct
10 Correct 95 ms 112328 KB Output is correct
11 Correct 107 ms 112532 KB Output is correct
12 Correct 109 ms 115552 KB Output is correct
13 Correct 97 ms 115576 KB Output is correct
14 Correct 95 ms 112440 KB Output is correct
15 Correct 81 ms 112480 KB Output is correct
16 Correct 82 ms 112376 KB Output is correct
17 Correct 111 ms 112864 KB Output is correct
18 Correct 87 ms 112376 KB Output is correct
19 Correct 79 ms 112248 KB Output is correct
20 Correct 455 ms 181052 KB Output is correct
21 Correct 86 ms 112248 KB Output is correct
22 Correct 117 ms 112384 KB Output is correct
23 Correct 95 ms 112376 KB Output is correct
24 Correct 98 ms 112616 KB Output is correct
25 Correct 99 ms 112376 KB Output is correct
26 Correct 404 ms 176828 KB Output is correct
27 Correct 378 ms 175240 KB Output is correct
28 Correct 102 ms 112892 KB Output is correct
29 Correct 136 ms 114040 KB Output is correct
30 Correct 99 ms 112760 KB Output is correct
31 Correct 120 ms 113144 KB Output is correct
32 Correct 101 ms 112888 KB Output is correct
33 Correct 182 ms 115960 KB Output is correct
34 Correct 162 ms 116088 KB Output is correct
35 Incorrect 172 ms 116856 KB Output isn't correct
36 Halted 0 ms 0 KB -