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Submission #698676

# Submission time Handle Problem Language Result Execution time Memory
698676 2023-02-14T07:29:59 Z vjudge1 Circle selection (APIO18_circle_selection) C++17
7 / 100
 3000 ms 54800 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define endl '\n'

const int M = 3e5+5, MOD = 1e9;
struct circle {int x, y, r, i;};
bool operator<(circle a, circle b) {if (a.r == b.r) return a.i < b.i; return a.r > b.r;};
int p[M];
    
int sq(int a) {return a*a;}
int dist(circle a, circle b) {
    return sq(a.x-b.x) + sq(a.y-b.y);
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);

    int n;
    cin >> n;

    set<circle> v;
    for (int i = 1; i <= n; i++) {
        int x, y, r;
        cin >> x >> y >> r;
        v.insert({x, y, r, i});
    }

    while (v.size()) {
        auto a = *v.begin();
        v.erase(v.begin());
        // cout << a.i << ": ";
        p[a.i] = a.i;

        set<circle> st;
        for (auto b:v) {
            if (dist(a, b) <= sq(a.r+b.r)) {
                p[b.i] = a.i;
                // cout << b.i << ' ';
                st.insert(b);
            }
        } //cout << endl;

        for (auto c:st) v.erase(c);
    }

    for (int i = 1; i <= n; i++) cout << p[i] << ' '; cout << endl;

    return 0;
}
/*
11
9 9 2
13 2 1
11 8 2
3 3 2
3 12 1
12 14 1
9 8 5
2 8 2
5 2 1
14 4 2
14 14 1

*/

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:48:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   48 |     for (int i = 1; i <= n; i++) cout << p[i] << ' '; cout << endl;
      |     ^~~
circle_selection.cpp:48:55: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   48 |     for (int i = 1; i <= n; i++) cout << p[i] << ' '; cout << endl;
      |                                                       ^~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 508 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 3 ms 472 KB Output is correct
19 Correct 4 ms 1228 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 6 ms 1140 KB Output is correct
22 Correct 161 ms 876 KB Output is correct
23 Correct 172 ms 872 KB Output is correct
24 Correct 294 ms 876 KB Output is correct
25 Correct 174 ms 868 KB Output is correct
26 Correct 186 ms 868 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 552 ms 53664 KB Output is correct
2 Correct 526 ms 42996 KB Output is correct
3 Correct 595 ms 50988 KB Output is correct
4 Correct 578 ms 54800 KB Output is correct
5 Execution timed out 3028 ms 29560 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3054 ms 11624 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3014 ms 27256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 508 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 3 ms 472 KB Output is correct
19 Correct 4 ms 1228 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 6 ms 1140 KB Output is correct
22 Correct 161 ms 876 KB Output is correct
23 Correct 172 ms 872 KB Output is correct
24 Correct 294 ms 876 KB Output is correct
25 Correct 174 ms 868 KB Output is correct
26 Correct 186 ms 868 KB Output is correct
27 Correct 9 ms 2284 KB Output is correct
28 Correct 10 ms 2248 KB Output is correct
29 Correct 9 ms 2244 KB Output is correct
30 Correct 805 ms 1440 KB Output is correct
31 Correct 806 ms 1420 KB Output is correct
32 Correct 772 ms 1444 KB Output is correct
33 Correct 130 ms 20396 KB Output is correct
34 Correct 130 ms 20324 KB Output is correct
35 Correct 130 ms 19244 KB Output is correct
36 Execution timed out 3062 ms 11412 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 4 ms 508 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 3 ms 472 KB Output is correct
19 Correct 4 ms 1228 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 6 ms 1140 KB Output is correct
22 Correct 161 ms 876 KB Output is correct
23 Correct 172 ms 872 KB Output is correct
24 Correct 294 ms 876 KB Output is correct
25 Correct 174 ms 868 KB Output is correct
26 Correct 186 ms 868 KB Output is correct
27 Correct 552 ms 53664 KB Output is correct
28 Correct 526 ms 42996 KB Output is correct
29 Correct 595 ms 50988 KB Output is correct
30 Correct 578 ms 54800 KB Output is correct
31 Execution timed out 3028 ms 29560 KB Time limit exceeded
32 Halted 0 ms 0 KB -