oj.uz

Submission #205613

# Submission time Handle Problem Language Result Execution time Memory
205613 2020-02-29T10:08:37 Z kshitij_sodani Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 411 ms 181120 KB 
#include <iostream>
#include <bits/stdc++.h>
 
using namespace std;
//typedef int64_t int;
//#define mp make_pairr
#define pb push_back
#define int64_t int
/*#define a first
#define b second*/
#define endl "\n"
 int dis[2020][2020];
 
 int b[2020];
	int p[2020];
struct pairr{
	int a;
	int b;

};
vector<pairr> adj[2020][2020];
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=2010;
			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=2010;
			adj[j-p[i]][p[i]].pb(ac);
		}
			pairr ac;
			ac.a=b[i];
			ac.b=p[i];
		adj[b[i]][2010].pb(ac);
	}



	
	memset(dis,-1,sizeof(dis));
	dis[b[0]][2010]=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=2010;
	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==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]][2010]<<endl;




	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 112152 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 112160 KB Output is correct
5 Correct 77 ms 112124 KB Output is correct
6 Correct 77 ms 112120 KB Output is correct
7 Correct 75 ms 112096 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 112120 KB Output is correct
2 Correct 77 ms 112252 KB Output is correct
3 Correct 81 ms 112120 KB Output is correct
4 Correct 76 ms 112176 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 79 ms 112160 KB Output is correct
7 Correct 79 ms 112120 KB Output is correct
8 Correct 78 ms 112120 KB Output is correct
9 Correct 77 ms 112120 KB Output is correct
10 Correct 77 ms 112120 KB Output is correct
11 Correct 79 ms 112376 KB Output is correct
12 Correct 84 ms 115376 KB Output is correct
13 Correct 84 ms 115576 KB Output is correct
14 Correct 78 ms 112244 KB Output is correct
15 Correct 77 ms 112248 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 112176 KB Output is correct
2 Correct 76 ms 112120 KB Output is correct
3 Correct 77 ms 112180 KB Output is correct
4 Correct 77 ms 112120 KB Output is correct
5 Correct 77 ms 112120 KB Output is correct
6 Correct 77 ms 112248 KB Output is correct
7 Correct 76 ms 112180 KB Output is correct
8 Correct 76 ms 112120 KB Output is correct
9 Correct 78 ms 112124 KB Output is correct
10 Correct 81 ms 112248 KB Output is correct
11 Correct 78 ms 112376 KB Output is correct
12 Correct 85 ms 115448 KB Output is correct
13 Correct 84 ms 115576 KB Output is correct
14 Correct 78 ms 112376 KB Output is correct
15 Correct 82 ms 112248 KB Output is correct
16 Correct 77 ms 112248 KB Output is correct
17 Correct 84 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 411 ms 181120 KB Output is correct
21 Correct 78 ms 112252 KB Output is correct
22 Correct 80 ms 112248 KB Output is correct
23 Correct 82 ms 112380 KB Output is correct
24 Correct 84 ms 112508 KB Output is correct
25 Correct 82 ms 112504 KB Output is correct
26 Correct 399 ms 176760 KB Output is correct
27 Correct 381 ms 175224 KB Output is correct
28 Correct 86 ms 112888 KB Output is correct
29 Correct 100 ms 114040 KB Output is correct
30 Correct 87 ms 112760 KB Output is correct
31 Correct 92 ms 113272 KB Output is correct
32 Correct 87 ms 112888 KB Output is correct
33 Correct 125 ms 115832 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 91 ms 112168 KB Output is correct
2 Correct 80 ms 112120 KB Output is correct
3 Correct 77 ms 112248 KB Output is correct
4 Correct 76 ms 112120 KB Output is correct
5 Correct 77 ms 112124 KB Output is correct
6 Correct 78 ms 112120 KB Output is correct
7 Correct 81 ms 112120 KB Output is correct
8 Correct 77 ms 112120 KB Output is correct
9 Correct 77 ms 112120 KB Output is correct
10 Correct 77 ms 112120 KB Output is correct
11 Correct 79 ms 112504 KB Output is correct
12 Correct 86 ms 115540 KB Output is correct
13 Correct 84 ms 115576 KB Output is correct
14 Correct 78 ms 112376 KB Output is correct
15 Correct 78 ms 112248 KB Output is correct
16 Correct 79 ms 112376 KB Output is correct
17 Correct 88 ms 112888 KB Output is correct
18 Correct 79 ms 112376 KB Output is correct
19 Correct 79 ms 112248 KB Output is correct
20 Correct 411 ms 180984 KB Output is correct
21 Correct 81 ms 112248 KB Output is correct
22 Correct 81 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 81 ms 112376 KB Output is correct
26 Correct 387 ms 176628 KB Output is correct
27 Correct 375 ms 175096 KB Output is correct
28 Correct 85 ms 112888 KB Output is correct
29 Correct 103 ms 114040 KB Output is correct
30 Correct 83 ms 112760 KB Output is correct
31 Correct 90 ms 113144 KB Output is correct
32 Correct 84 ms 112888 KB Output is correct
33 Correct 127 ms 115960 KB Output is correct
34 Correct 128 ms 115960 KB Output is correct
35 Incorrect 133 ms 115980 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 112120 KB Output is correct
2 Correct 78 ms 112220 KB Output is correct
3 Correct 77 ms 112120 KB Output is correct
4 Correct 79 ms 112120 KB Output is correct
5 Correct 79 ms 112248 KB Output is correct
6 Correct 82 ms 112120 KB Output is correct
7 Correct 80 ms 112120 KB Output is correct
8 Correct 78 ms 112120 KB Output is correct
9 Correct 81 ms 112120 KB Output is correct
10 Correct 78 ms 112208 KB Output is correct
11 Correct 78 ms 112376 KB Output is correct
12 Correct 87 ms 115448 KB Output is correct
13 Correct 84 ms 115576 KB Output is correct
14 Correct 80 ms 112248 KB Output is correct
15 Correct 79 ms 112440 KB Output is correct
16 Correct 78 ms 112248 KB Output is correct
17 Correct 87 ms 112760 KB Output is correct
18 Correct 77 ms 112376 KB Output is correct
19 Correct 80 ms 112252 KB Output is correct
20 Correct 394 ms 180984 KB Output is correct
21 Correct 77 ms 112248 KB Output is correct
22 Correct 77 ms 112376 KB Output is correct
23 Correct 81 ms 112376 KB Output is correct
24 Correct 84 ms 112504 KB Output is correct
25 Correct 81 ms 112376 KB Output is correct
26 Correct 388 ms 176632 KB Output is correct
27 Correct 384 ms 175324 KB Output is correct
28 Correct 85 ms 112888 KB Output is correct
29 Correct 99 ms 114040 KB Output is correct
30 Correct 83 ms 112632 KB Output is correct
31 Correct 91 ms 113272 KB Output is correct
32 Correct 87 ms 112888 KB Output is correct
33 Correct 122 ms 115960 KB Output is correct
34 Correct 126 ms 116088 KB Output is correct
35 Incorrect 132 ms 115960 KB Output isn't correct
36 Halted 0 ms 0 KB -