oj.uz

Submission #59937

# Submission time Handle Problem Language Result Execution time Memory
59937 2018-07-23T10:54:27 Z Flugan42 Circle selection (APIO18_circle_selection) C++14
7 / 100
 755 ms 35560 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<ll> vi;
typedef pair<ll,ll> ii;
typedef vector<ii> vii;
#define rep(i,a,b) for(int i = a; i < b; i++)
#define per(i,a,b) for(int i = a; i >= b; i--)
#define inf 1000000000000000000
#define sz(x) (ll)(x).size()
#define all(x) x.begin(),x.end()

struct circle {
  ll x,y,r,id;
} ;
vector< circle > inp;
vi vis;
vii endp,endpy;
circle _;
ll n;

bool mysort(circle a, circle b){
  if (a.r == b.r) return a.id < b.id;
  return a.r > b.r;
}

ld dist(ll i, ll j){
  ll dx = inp[i].x-inp[j].x, dy = inp[i].y-inp[j].y;
  return sqrt(ld(dx*dx)+ld(dy*dy));
}

int main(){
  cin >> n; inp.assign(n,_);
  rep(i,0,n){
    cin >> inp[i].x >> inp[i].y >> inp[i].r;
    inp[i].id = i;
  }
  sort(all(inp),mysort);
  rep(i,0,n){
    endp.push_back(make_pair(inp[i].x-inp[i].r,i));
    endp.push_back(make_pair(inp[i].x+inp[i].r,i));
    endpy.push_back(make_pair(inp[i].y-inp[i].r,i));
    endpy.push_back(make_pair(inp[i].y+inp[i].r,i));
  }
  sort(all(endp));

  if (n <= 10000){
    vis.assign(n,-1);
    rep(i,0,n){
      if (vis[i] != -1) continue;
      rep(j,0,n){
        if (vis[j] != -1) continue;
        if (dist(i,j) <= inp[i].r+inp[j].r) vis[j] = inp[i].id;
      }
    }
  } else {
    vis.assign(n,-1);
    rep(i,0,n){
      if (vis[i] != -1) continue;
      ll lo = lower_bound(all(endp),make_pair(inp[i].x-inp[i].r,0LL))-endp.begin();
      while (endp[lo].first <= inp[i].x+inp[i].r){
        if (vis[endp[lo].second] == -1) vis[endp[lo].second] = i;
        lo++;
      }
    }
  }
  vi res; res.assign(n,0);
  rep(i,0,n){
    res[inp[i].id] = vis[i];
  }
  rep(i,0,n) cout << res[i]+1 << " ";
  cout << endl;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 4 ms 696 KB Output is correct
6 Correct 3 ms 696 KB Output is correct
7 Correct 3 ms 696 KB Output is correct
8 Correct 4 ms 696 KB Output is correct
9 Correct 4 ms 716 KB Output is correct
10 Correct 4 ms 716 KB Output is correct
11 Correct 3 ms 716 KB Output is correct
12 Correct 4 ms 744 KB Output is correct
13 Correct 3 ms 744 KB Output is correct
14 Correct 4 ms 744 KB Output is correct
15 Correct 4 ms 744 KB Output is correct
16 Correct 6 ms 800 KB Output is correct
17 Correct 6 ms 828 KB Output is correct
18 Correct 5 ms 972 KB Output is correct
19 Correct 20 ms 1540 KB Output is correct
20 Correct 13 ms 1540 KB Output is correct
21 Correct 14 ms 1540 KB Output is correct
22 Correct 155 ms 1660 KB Output is correct
23 Correct 180 ms 1676 KB Output is correct
24 Correct 149 ms 1676 KB Output is correct
25 Correct 155 ms 1692 KB Output is correct
26 Correct 177 ms 1692 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 703 ms 35196 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 35196 KB Output is correct
2 Incorrect 231 ms 35196 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 755 ms 35560 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 4 ms 696 KB Output is correct
6 Correct 3 ms 696 KB Output is correct
7 Correct 3 ms 696 KB Output is correct
8 Correct 4 ms 696 KB Output is correct
9 Correct 4 ms 716 KB Output is correct
10 Correct 4 ms 716 KB Output is correct
11 Correct 3 ms 716 KB Output is correct
12 Correct 4 ms 744 KB Output is correct
13 Correct 3 ms 744 KB Output is correct
14 Correct 4 ms 744 KB Output is correct
15 Correct 4 ms 744 KB Output is correct
16 Correct 6 ms 800 KB Output is correct
17 Correct 6 ms 828 KB Output is correct
18 Correct 5 ms 972 KB Output is correct
19 Correct 20 ms 1540 KB Output is correct
20 Correct 13 ms 1540 KB Output is correct
21 Correct 14 ms 1540 KB Output is correct
22 Correct 155 ms 1660 KB Output is correct
23 Correct 180 ms 1676 KB Output is correct
24 Correct 149 ms 1676 KB Output is correct
25 Correct 155 ms 1692 KB Output is correct
26 Correct 177 ms 1692 KB Output is correct
27 Correct 30 ms 35560 KB Output is correct
28 Correct 40 ms 35560 KB Output is correct
29 Correct 36 ms 35560 KB Output is correct
30 Correct 675 ms 35560 KB Output is correct
31 Correct 631 ms 35560 KB Output is correct
32 Correct 698 ms 35560 KB Output is correct
33 Incorrect 250 ms 35560 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 4 ms 696 KB Output is correct
6 Correct 3 ms 696 KB Output is correct
7 Correct 3 ms 696 KB Output is correct
8 Correct 4 ms 696 KB Output is correct
9 Correct 4 ms 716 KB Output is correct
10 Correct 4 ms 716 KB Output is correct
11 Correct 3 ms 716 KB Output is correct
12 Correct 4 ms 744 KB Output is correct
13 Correct 3 ms 744 KB Output is correct
14 Correct 4 ms 744 KB Output is correct
15 Correct 4 ms 744 KB Output is correct
16 Correct 6 ms 800 KB Output is correct
17 Correct 6 ms 828 KB Output is correct
18 Correct 5 ms 972 KB Output is correct
19 Correct 20 ms 1540 KB Output is correct
20 Correct 13 ms 1540 KB Output is correct
21 Correct 14 ms 1540 KB Output is correct
22 Correct 155 ms 1660 KB Output is correct
23 Correct 180 ms 1676 KB Output is correct
24 Correct 149 ms 1676 KB Output is correct
25 Correct 155 ms 1692 KB Output is correct
26 Correct 177 ms 1692 KB Output is correct
27 Incorrect 703 ms 35196 KB Output isn't correct
28 Halted 0 ms 0 KB -