oj.uz

Submission #205672

# Submission time Handle Problem Language Result Execution time Memory
205672 2020-02-29T12:23:12 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 421 ms 197372 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;
typedef long long int llo;
#define mp make_pair
#define pb push_back

#define a first
#define b second
#define endl "\n"
 llo dis[2020][2020];
 
 int b[2020];
	int p[2020];
/*void setIO(string name) {
	ios_base::sync_with_stdio(0); cin.tie(0);
//	freopen((name+".in").c_str(),"r",stdin);
//	freopen((name+"p.out").c_str(),"w",stdout);
}*/
vector<pair<int,int>> adj[2020][2020];
int main(){
	//setIO("doge_4_1");
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;
	llo m;
	cin>>n>>m;
	
	//map<pair<int,int><int,int>,int> aa;
	
	for(llo 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<llo,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;
		llo 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 85 ms 128120 KB Output is correct
2 Correct 86 ms 128124 KB Output is correct
3 Correct 81 ms 128120 KB Output is correct
4 Correct 86 ms 128120 KB Output is correct
5 Correct 88 ms 128120 KB Output is correct
6 Correct 86 ms 128120 KB Output is correct
7 Correct 86 ms 128120 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 128112 KB Output is correct
2 Correct 88 ms 128120 KB Output is correct
3 Correct 83 ms 128120 KB Output is correct
4 Correct 86 ms 128120 KB Output is correct
5 Correct 87 ms 128248 KB Output is correct
6 Correct 85 ms 128120 KB Output is correct
7 Correct 87 ms 128120 KB Output is correct
8 Correct 87 ms 128248 KB Output is correct
9 Correct 84 ms 128120 KB Output is correct
10 Correct 96 ms 128120 KB Output is correct
11 Correct 87 ms 128376 KB Output is correct
12 Correct 93 ms 131568 KB Output is correct
13 Correct 96 ms 131580 KB Output is correct
14 Correct 86 ms 128376 KB Output is correct
15 Correct 99 ms 128376 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 128120 KB Output is correct
2 Correct 86 ms 128120 KB Output is correct
3 Correct 87 ms 128120 KB Output is correct
4 Correct 88 ms 128248 KB Output is correct
5 Correct 85 ms 128120 KB Output is correct
6 Correct 85 ms 128120 KB Output is correct
7 Correct 90 ms 128284 KB Output is correct
8 Correct 85 ms 128120 KB Output is correct
9 Correct 84 ms 128120 KB Output is correct
10 Correct 85 ms 128120 KB Output is correct
11 Correct 87 ms 128504 KB Output is correct
12 Correct 95 ms 131576 KB Output is correct
13 Correct 94 ms 131576 KB Output is correct
14 Correct 87 ms 128376 KB Output is correct
15 Correct 87 ms 128376 KB Output is correct
16 Correct 86 ms 128248 KB Output is correct
17 Correct 96 ms 128760 KB Output is correct
18 Correct 89 ms 128376 KB Output is correct
19 Correct 84 ms 128248 KB Output is correct
20 Correct 415 ms 197372 KB Output is correct
21 Correct 85 ms 128248 KB Output is correct
22 Correct 90 ms 128248 KB Output is correct
23 Correct 89 ms 128376 KB Output is correct
24 Correct 93 ms 128632 KB Output is correct
25 Correct 90 ms 128480 KB Output is correct
26 Correct 396 ms 192888 KB Output is correct
27 Correct 381 ms 191224 KB Output is correct
28 Correct 100 ms 128888 KB Output is correct
29 Correct 111 ms 130040 KB Output is correct
30 Correct 96 ms 128760 KB Output is correct
31 Correct 105 ms 129144 KB Output is correct
32 Correct 100 ms 128888 KB Output is correct
33 Correct 145 ms 132088 KB Output is correct
34 Correct 149 ms 131960 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 128120 KB Output is correct
2 Correct 87 ms 128120 KB Output is correct
3 Correct 87 ms 128120 KB Output is correct
4 Correct 84 ms 128120 KB Output is correct
5 Correct 86 ms 128120 KB Output is correct
6 Correct 86 ms 128120 KB Output is correct
7 Correct 86 ms 128092 KB Output is correct
8 Correct 85 ms 128120 KB Output is correct
9 Correct 84 ms 128120 KB Output is correct
10 Correct 85 ms 128120 KB Output is correct
11 Correct 90 ms 128504 KB Output is correct
12 Correct 92 ms 131448 KB Output is correct
13 Correct 94 ms 131704 KB Output is correct
14 Correct 88 ms 128376 KB Output is correct
15 Correct 87 ms 128372 KB Output is correct
16 Correct 86 ms 128248 KB Output is correct
17 Correct 95 ms 128760 KB Output is correct
18 Correct 87 ms 128376 KB Output is correct
19 Correct 87 ms 128248 KB Output is correct
20 Correct 421 ms 197112 KB Output is correct
21 Correct 88 ms 128248 KB Output is correct
22 Correct 86 ms 128248 KB Output is correct
23 Correct 91 ms 128340 KB Output is correct
24 Correct 95 ms 128632 KB Output is correct
25 Correct 91 ms 128376 KB Output is correct
26 Correct 406 ms 192760 KB Output is correct
27 Correct 385 ms 191224 KB Output is correct
28 Correct 97 ms 128888 KB Output is correct
29 Correct 113 ms 130040 KB Output is correct
30 Correct 96 ms 128632 KB Output is correct
31 Correct 102 ms 129144 KB Output is correct
32 Correct 98 ms 128912 KB Output is correct
33 Correct 148 ms 132012 KB Output is correct
34 Correct 150 ms 131960 KB Output is correct
35 Incorrect 173 ms 133128 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 128120 KB Output is correct
2 Correct 86 ms 128120 KB Output is correct
3 Correct 88 ms 128120 KB Output is correct
4 Correct 86 ms 128120 KB Output is correct
5 Correct 87 ms 128248 KB Output is correct
6 Correct 88 ms 128120 KB Output is correct
7 Correct 87 ms 128120 KB Output is correct
8 Correct 87 ms 128120 KB Output is correct
9 Correct 94 ms 128116 KB Output is correct
10 Correct 86 ms 128120 KB Output is correct
11 Correct 88 ms 128376 KB Output is correct
12 Correct 95 ms 131448 KB Output is correct
13 Correct 97 ms 131576 KB Output is correct
14 Correct 92 ms 128376 KB Output is correct
15 Correct 86 ms 128376 KB Output is correct
16 Correct 87 ms 128248 KB Output is correct
17 Correct 96 ms 128760 KB Output is correct
18 Correct 96 ms 128380 KB Output is correct
19 Correct 88 ms 128248 KB Output is correct
20 Correct 414 ms 197112 KB Output is correct
21 Correct 91 ms 128248 KB Output is correct
22 Correct 87 ms 128248 KB Output is correct
23 Correct 87 ms 128376 KB Output is correct
24 Correct 97 ms 128632 KB Output is correct
25 Correct 89 ms 128356 KB Output is correct
26 Correct 410 ms 192760 KB Output is correct
27 Correct 386 ms 191352 KB Output is correct
28 Correct 100 ms 128892 KB Output is correct
29 Correct 114 ms 130044 KB Output is correct
30 Correct 93 ms 128632 KB Output is correct
31 Correct 103 ms 129144 KB Output is correct
32 Correct 96 ms 129016 KB Output is correct
33 Correct 151 ms 131960 KB Output is correct
34 Correct 145 ms 131960 KB Output is correct
35 Incorrect 180 ms 133132 KB Output isn't correct
36 Halted 0 ms 0 KB -