oj.uz

Submission #399786

# Submission time Handle Problem Language Result Execution time Memory
399786 2021-05-06T15:30:42 Z my99n Circle selection (APIO18_circle_selection) C++14
7 / 100
 47 ms 1100 KB 
#include<bits/stdc++.h>
using namespace std;
#define x first
#define y second
typedef pair<long long,long long> point;

struct A {
  long long x, y, r;
  int i;
  bool operator < (const A & o) const {
    if (r == o.r) return i < o.i;
    return r > o.r;
  }
} cir[5050];
int ans[5010];
int mark[5010];

long long dis (point i, point j) {
  long long temp = ((i.x-j.x) * (i.x-j.x)) + ((i.y-j.y) * (i.y-j.y));
  return temp;
}

bool intersect (A i, A j) {
  return (dis({i.x, i.y}, {j.x, j.y}) <= (i.r+j.r)*(i.r+j.r));
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n; cin >> n;
  for (int i = 1; i <= n; i++) {
    long long x, y, r; cin >> x >> y >> r;
    cir[i] = {x, y, r, i};
  }
  sort(cir+1, cir+1+n);
  for (int i = 1; i <= n; i++) {
    int ind = cir[i].i;
    cerr << ind << endl;
    if (mark[i]) continue;
    mark[i] = 1;
    ans[ind] = ind;
    for (int j = i+1; j <= n; j++) {
      if (mark[j]) continue;
      int anind = cir[j].i;
      if (intersect(cir[i], cir[j])) {
        ans[anind] = ind;
        mark[j] = 1;
      }
    }
  }
  for (int i = 1; i <= n; i++) {
    cout << ans[i] << ' ';
  } cout << endl;
  return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 4 ms 332 KB Output is correct
19 Correct 18 ms 684 KB Output is correct
20 Correct 18 ms 680 KB Output is correct
21 Correct 19 ms 676 KB Output is correct
22 Correct 45 ms 640 KB Output is correct
23 Correct 45 ms 588 KB Output is correct
24 Correct 45 ms 648 KB Output is correct
25 Correct 45 ms 584 KB Output is correct
26 Correct 47 ms 588 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 1100 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Runtime error 4 ms 1100 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 1100 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 4 ms 332 KB Output is correct
19 Correct 18 ms 684 KB Output is correct
20 Correct 18 ms 680 KB Output is correct
21 Correct 19 ms 676 KB Output is correct
22 Correct 45 ms 640 KB Output is correct
23 Correct 45 ms 588 KB Output is correct
24 Correct 45 ms 648 KB Output is correct
25 Correct 45 ms 584 KB Output is correct
26 Correct 47 ms 588 KB Output is correct
27 Runtime error 3 ms 972 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 4 ms 332 KB Output is correct
19 Correct 18 ms 684 KB Output is correct
20 Correct 18 ms 680 KB Output is correct
21 Correct 19 ms 676 KB Output is correct
22 Correct 45 ms 640 KB Output is correct
23 Correct 45 ms 588 KB Output is correct
24 Correct 45 ms 648 KB Output is correct
25 Correct 45 ms 584 KB Output is correct
26 Correct 47 ms 588 KB Output is correct
27 Runtime error 3 ms 1100 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -