oj.uz

Submission #1105429

# Submission time Handle Problem Language Result Execution time Memory
1105429 2024-10-26T11:33:18 Z sqwiijqk Circle selection (APIO18_circle_selection) C++17
49 / 100
 3000 ms 606016 KB 
#include <bits/stdc++.h>
#include <experimental/random>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

// #include <windows.h>
// #pragma comment(lib, "shell32")
// ShellExecute(0, "open", your_url, NULL, NULL, SW_SHOWDEFAULT)

using namespace std;
using namespace __gnu_pbds;

using ld = long double;
using ll = long long;
using ull = unsigned long long;
const int MOD = 998244353;
const int INF = 1e9;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;

void solve();

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int qwerty = 1;
    // cin >> qwerty;
    while (qwerty--) {
        solve();
    }
}

struct circle {
    int x, y, r, ind;
};

bool cmp(circle a, circle b) {
    return a.r > b.r || (a.r == b.r && a.ind < b.ind);
}

bool per(circle a, circle b) {
    return 1ll * (a.x - b.x) * (a.x - b.x) + 1ll * (a.y - b.y) * (a.y - b.y) <= 1ll * (a.r + b.r) * (a.r + b.r);
}

void solve() {
    int n;
    cin >> n;
    vector<circle> cs(n);
    for (int i = 0; i < n; i++) {
        cin >> cs[i].x >> cs[i].y >> cs[i].r;
        cs[i].ind = i;
    }
    sort(cs.begin(), cs.end(), cmp);
    vector<int> ans(n, -1);
    for (int for_r = 30; for_r >= 0; for_r--) {
        int r = (1 << for_r);
        map<pair<int, int>, vector<int>> mp;
        bool flag = false;
        for (int i = 0; i < n; ++i) {
            if (ans[cs[i].ind] == -1 && cs[i].r >= r / 2 && cs[i].r <= r) {
                flag = true;
                break;
            }
        }
        if (!flag) continue;
        for (int i = 0; i < n; i++) {
            if (ans[cs[i].ind] == -1) {
                mp[{cs[i].x / r, cs[i].y / r}].push_back(i);
            }
        }
        for (int i = 0; i < n; i++) {
            if (cs[i].r < r / 2) break;
            if (cs[i].r > r || ans[cs[i].ind] != -1) continue;
            for (int x = cs[i].x / r - 2; x <= cs[i].x / r + 2; x++) {
                for (int y = cs[i].y / r - 2; y <= cs[i].y / r + 2; y++) {
                    vector<int> &now = mp[{x, y}];
                    for (int j = (int) now.size() - 1; j >= 0; j--) {
                        int jj = now[j];
                        if (per(cs[i], cs[jj])) {
                            ans[cs[jj].ind] = cs[i].ind;
                            swap(now[j], now.back());
                            now.pop_back();
                        }
                    }
                }
            }
        }
    }
    for (int i: ans) {
        cout << i + 1 << ' ';
    }
}

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 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 504 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 3 ms 592 KB Output is correct
20 Correct 3 ms 592 KB Output is correct
21 Correct 3 ms 592 KB Output is correct
22 Correct 26 ms 4944 KB Output is correct
23 Correct 30 ms 5244 KB Output is correct
24 Correct 30 ms 4176 KB Output is correct
25 Correct 28 ms 4988 KB Output is correct
26 Correct 26 ms 5276 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 115 ms 9424 KB Output is correct
2 Correct 117 ms 9252 KB Output is correct
3 Correct 129 ms 12104 KB Output is correct
4 Correct 115 ms 12996 KB Output is correct
5 Correct 174 ms 12104 KB Output is correct
6 Correct 887 ms 59708 KB Output is correct
7 Correct 227 ms 16712 KB Output is correct
8 Correct 308 ms 26696 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1062 ms 88540 KB Output is correct
3 Execution timed out 3075 ms 234580 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3143 ms 606016 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 504 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 3 ms 592 KB Output is correct
20 Correct 3 ms 592 KB Output is correct
21 Correct 3 ms 592 KB Output is correct
22 Correct 26 ms 4944 KB Output is correct
23 Correct 30 ms 5244 KB Output is correct
24 Correct 30 ms 4176 KB Output is correct
25 Correct 28 ms 4988 KB Output is correct
26 Correct 26 ms 5276 KB Output is correct
27 Correct 5 ms 932 KB Output is correct
28 Correct 4 ms 1272 KB Output is correct
29 Correct 4 ms 592 KB Output is correct
30 Correct 57 ms 10696 KB Output is correct
31 Correct 53 ms 10824 KB Output is correct
32 Correct 52 ms 8264 KB Output is correct
33 Correct 41 ms 5952 KB Output is correct
34 Correct 39 ms 3136 KB Output is correct
35 Correct 45 ms 5688 KB Output is correct
36 Correct 874 ms 96588 KB Output is correct
37 Correct 988 ms 85112 KB Output is correct
38 Correct 1091 ms 97852 KB Output is correct
39 Correct 243 ms 10840 KB Output is correct
40 Correct 245 ms 10940 KB Output is correct
41 Correct 248 ms 11624 KB Output is correct
42 Correct 131 ms 10836 KB Output is correct
43 Correct 769 ms 177224 KB Output is correct
44 Correct 767 ms 176104 KB Output is correct
45 Correct 737 ms 177480 KB Output is correct
46 Correct 776 ms 175944 KB Output is correct
47 Correct 797 ms 176340 KB Output is correct
48 Correct 700 ms 176200 KB Output is correct
49 Correct 688 ms 178784 KB Output is correct
50 Correct 692 ms 178664 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 504 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 3 ms 592 KB Output is correct
20 Correct 3 ms 592 KB Output is correct
21 Correct 3 ms 592 KB Output is correct
22 Correct 26 ms 4944 KB Output is correct
23 Correct 30 ms 5244 KB Output is correct
24 Correct 30 ms 4176 KB Output is correct
25 Correct 28 ms 4988 KB Output is correct
26 Correct 26 ms 5276 KB Output is correct
27 Correct 115 ms 9424 KB Output is correct
28 Correct 117 ms 9252 KB Output is correct
29 Correct 129 ms 12104 KB Output is correct
30 Correct 115 ms 12996 KB Output is correct
31 Correct 174 ms 12104 KB Output is correct
32 Correct 887 ms 59708 KB Output is correct
33 Correct 227 ms 16712 KB Output is correct
34 Correct 308 ms 26696 KB Output is correct
35 Correct 1 ms 504 KB Output is correct
36 Correct 1062 ms 88540 KB Output is correct
37 Execution timed out 3075 ms 234580 KB Time limit exceeded
38 Halted 0 ms 0 KB -