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Submission #249934

# Submission time Handle Problem Language Result Execution time Memory
249934 2020-07-16T13:54:34 Z Evirir Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 40 ms 33164 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#define watch(x) cout<<(#x)<<"="<<(x)<<'\n'
#define mset(d,val) memset(d,val,sizeof(d))
#define setp(x) cout<<fixed<<setprecision(x)
#define forn(i,a,b) for(int i=(a);i<(b);i++)
#define fore(i,a,b) for(int i=(a);i<=(b);i++)
#define pb push_back
#define F first
#define S second
#define pqueue priority_queue
#define fbo find_by_order
#define ook order_of_key
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef long double ld;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
void amin(ll &a, ll b){ a=min(a,b); }
void amax(ll &a, ll b){ a=max(a,b); }
void YES(){cout<<"YES\n";} void NO(){cout<<"NO\n";}
void SD(int t=0){ cout<<"PASSED "<<t<<endl; }
const ll INF = ll(1e18);
const int MOD = 998244353;

const bool DEBUG = 0;
const int MAXN = 2005;
const int MAXP = 2005;
const int MAXM = 30005;

int n,m;
int a[MAXM],p[MAXM];
vi v[MAXN];
ll dist[MAXN][MAXP];

deque<ii> q;
void add(ll x, ll y, ll w, ll d)
{
	if(x<0 || x>=n) return;
	if(dist[x][y]>d+w){
		dist[x][y]=d+w;
		if(w==0) q.push_front({x,y});
		else q.push_back({x,y});
	}
}

void bfs(ii src)
{
	q.clear();
	dist[src.F][src.S]=0;
	q.push_front(src);
	
	while(!q.empty())
	{
		ii u=q.front(); q.pop_front();
		if(u.S)
		{
			add(u.F-u.S, u.S, 1, dist[u.F][u.S]);
			add(u.F+u.S, u.S, 1, dist[u.F][u.S]);
			add(u.F, 0, 0, dist[u.F][u.S]);
		}
		else
		{
			for(int P: v[u.F])
			{
				add(u.F, P, 0, dist[u.F][u.S]);
			}
		}
	}
}

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	cin>>n>>m;
	forn(i,0,m){
		cin>>a[i]>>p[i];
		v[a[i]].pb(p[i]);
	}
	
	forn(i,0,n) forn(j,0,MAXP) dist[i][j]=INF;
	bfs({a[0],0});
	
	if(dist[a[1]][0]<INF) cout<<dist[a[1]][0]<<'\n';
	else cout<<-1<<'\n';
	
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 512 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 0 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 1 ms 2048 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 1 ms 2048 KB Output is correct
13 Correct 1 ms 2048 KB Output is correct
14 Correct 2 ms 2048 KB Output is correct
15 Correct 1 ms 2048 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 1 ms 1988 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 1 ms 2048 KB Output is correct
13 Correct 1 ms 2048 KB Output is correct
14 Correct 2 ms 2048 KB Output is correct
15 Correct 2 ms 2048 KB Output is correct
16 Correct 2 ms 3584 KB Output is correct
17 Correct 7 ms 12160 KB Output is correct
18 Correct 14 ms 27852 KB Output is correct
19 Correct 17 ms 31872 KB Output is correct
20 Correct 16 ms 31872 KB Output is correct
21 Correct 4 ms 6656 KB Output is correct
22 Correct 15 ms 28416 KB Output is correct
23 Correct 13 ms 25600 KB Output is correct
24 Correct 17 ms 30336 KB Output is correct
25 Correct 17 ms 31872 KB Output is correct
26 Correct 20 ms 31872 KB Output is correct
27 Correct 18 ms 31872 KB Output is correct
28 Correct 18 ms 31872 KB Output is correct
29 Correct 19 ms 31872 KB Output is correct
30 Correct 24 ms 31744 KB Output is correct
31 Correct 17 ms 31872 KB Output is correct
32 Correct 17 ms 31744 KB Output is correct
33 Correct 21 ms 31872 KB Output is correct
34 Correct 20 ms 31872 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 512 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 0 ms 512 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 1 ms 2048 KB Output is correct
13 Correct 2 ms 2048 KB Output is correct
14 Correct 2 ms 2048 KB Output is correct
15 Correct 2 ms 2048 KB Output is correct
16 Correct 2 ms 3584 KB Output is correct
17 Correct 8 ms 12160 KB Output is correct
18 Correct 15 ms 27904 KB Output is correct
19 Correct 16 ms 31872 KB Output is correct
20 Correct 17 ms 31872 KB Output is correct
21 Correct 4 ms 6656 KB Output is correct
22 Correct 15 ms 28416 KB Output is correct
23 Correct 13 ms 25600 KB Output is correct
24 Correct 17 ms 30336 KB Output is correct
25 Correct 17 ms 31808 KB Output is correct
26 Correct 16 ms 31872 KB Output is correct
27 Correct 16 ms 31872 KB Output is correct
28 Correct 18 ms 31892 KB Output is correct
29 Correct 21 ms 31872 KB Output is correct
30 Correct 16 ms 31744 KB Output is correct
31 Correct 20 ms 31872 KB Output is correct
32 Correct 18 ms 31744 KB Output is correct
33 Correct 20 ms 31864 KB Output is correct
34 Correct 20 ms 31872 KB Output is correct
35 Correct 23 ms 23936 KB Output is correct
36 Correct 11 ms 17664 KB Output is correct
37 Correct 30 ms 31864 KB Output is correct
38 Correct 38 ms 33144 KB Output is correct
39 Correct 32 ms 33152 KB Output is correct
40 Correct 31 ms 33144 KB Output is correct
41 Correct 31 ms 33144 KB Output is correct
42 Correct 22 ms 32640 KB Output is correct
43 Correct 22 ms 32632 KB Output is correct
44 Correct 21 ms 32548 KB Output is correct
45 Correct 40 ms 33144 KB Output is correct
46 Correct 35 ms 33024 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 512 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 0 ms 512 KB Output is correct
7 Correct 1 ms 580 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 2 ms 2048 KB Output is correct
13 Correct 2 ms 2048 KB Output is correct
14 Correct 2 ms 2048 KB Output is correct
15 Correct 2 ms 2048 KB Output is correct
16 Correct 2 ms 3584 KB Output is correct
17 Correct 7 ms 12160 KB Output is correct
18 Correct 15 ms 27904 KB Output is correct
19 Correct 16 ms 31872 KB Output is correct
20 Correct 17 ms 31872 KB Output is correct
21 Correct 4 ms 6656 KB Output is correct
22 Correct 14 ms 28416 KB Output is correct
23 Correct 14 ms 25600 KB Output is correct
24 Correct 17 ms 30336 KB Output is correct
25 Correct 17 ms 31872 KB Output is correct
26 Correct 18 ms 31872 KB Output is correct
27 Correct 17 ms 31872 KB Output is correct
28 Correct 26 ms 31864 KB Output is correct
29 Correct 18 ms 31872 KB Output is correct
30 Correct 22 ms 31744 KB Output is correct
31 Correct 18 ms 31872 KB Output is correct
32 Correct 18 ms 31744 KB Output is correct
33 Correct 19 ms 31932 KB Output is correct
34 Correct 20 ms 31872 KB Output is correct
35 Correct 22 ms 23936 KB Output is correct
36 Correct 11 ms 17664 KB Output is correct
37 Correct 29 ms 31864 KB Output is correct
38 Correct 32 ms 33016 KB Output is correct
39 Correct 31 ms 33144 KB Output is correct
40 Correct 31 ms 33152 KB Output is correct
41 Correct 39 ms 33164 KB Output is correct
42 Correct 27 ms 32640 KB Output is correct
43 Correct 23 ms 32632 KB Output is correct
44 Correct 22 ms 32548 KB Output is correct
45 Correct 34 ms 33024 KB Output is correct
46 Correct 37 ms 33016 KB Output is correct
47 Runtime error 4 ms 1024 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -