oj.uz

Submission #579084

# Submission time Handle Problem Language Result Execution time Memory
579084 2022-06-18T11:18:33 Z noedit Circle selection (APIO18_circle_selection) C++17
37 / 100
 3000 ms 133676 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("O0")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("avx,avx2,fma")
#define sz(x) (x.size())
using namespace std;
//using namespace __gnu_pbds;
//
//template <class T>
//using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
//#define int long long
#define INF 1000000010
#define MAXN 300000

pair<pair<int, int>, pair<int, int> > in[MAXN];

int X[MAXN], Y[MAXN], R[MAXN];
int ind[MAXN];
int ans[MAXN];
int ri[MAXN];

inline ll sq(ll x)
{
    return x * x;
}

inline bool check(int i, int j)
{
    return sq(X[i] - X[j]) + sq(Y[i] - Y[j]) <= sq(R[i] + R[j]);
}

inline bool isrange(int x, int y)
{
    if (x < 0 || y < 0)
        return false;
    return true;
}

ll trans(int x, int y)
{
    return ((ll)x * 1ll * INF) + y;
}

bool cmp(pair<pair<int, int>, pair<int, int> >& p1, pair<pair<int, int>, pair<int, int> >& p2)
{
    if (p1.first.first == p2.first.first)
    {
        return p1.first.second < p2.first.second;
    }
    else
    {
        return p1.first.first > p2.first.first;
    }
}

unordered_map<ll, vector<int> > mp;

void solve()
{

}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    int i;
    for (i = 1; i <= n; i++)
    {
        cin >> in[i].second.first >> in[i].second.second >> in[i].first.first;
        in[i].first.second = i;
    }
    sort(in + 1, in + n + 1, cmp);
    for (i = 1; i <= n; i++)
    {
        tie(X[i], Y[i], R[i], ind[i]) = make_tuple(in[i].second.first + INF, in[i].second.second + INF, in[i].first.first, in[i].first.second);
    }
    int k;
    int s, e;
    e = 0;
    for (k = 30; k >= 0; k--)
    {
        int r = (1 << k);
        s = e + 1;
        if (R[s] < r / 2)
        {
            continue;
        }
        mp.clear();
        e = 0;
        for (i = s; i <= n; i++)
        {
            if (ans[i])
            {
                continue;
            }
            int x, y;
            x = X[i] >> k;
            y = Y[i] >> k;
            if (R[i] < r / 2 && !e)
            {
                e = i - 1;
            }
            for (int xx = x - 1; xx <= x + 1; xx++)
            {
                for (int yy = y - 1; yy <= y + 1; yy++)
                {
                    mp[(ll)xx << 31LL + yy].push_back(i);
                }
            }
        }
        if (e == 0)
        {
            e = n;
        }
        for (i = s; i <= e; i++)
        {
            if (ans[i])
            {
                continue;
            }
            ans[i] = i;
            int x = X[i] >> k;
            int y = Y[i] >> k;
            for (int xx = x - 1; xx <= x + 1; xx++)
            {
                for (int yy = y - 1; yy <= y + 1; yy++)
                {
                    ll t = ((ll)xx << 31LL + yy);
                    for (auto& c : mp[t])
                    {
                        if (!ans[c] && check(c, i))
                        {
                            ans[c] = i;
                        }
                    }
                }
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        ri[ind[i]] = i;
    }
    for (i = 1; i <= n; i++)
    {
        cout << ind[ans[ri[i]]] << ' ';
    }
    return 0;
}

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:116:39: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
  116 |                     mp[(ll)xx << 31LL + yy].push_back(i);
      |                                  ~~~~~^~~~
circle_selection.cpp:137:44: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
  137 |                     ll t = ((ll)xx << 31LL + yy);
      |                                       ~~~~~^~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 6 ms 724 KB Output is correct
20 Correct 4 ms 724 KB Output is correct
21 Correct 4 ms 780 KB Output is correct
22 Correct 20 ms 3624 KB Output is correct
23 Correct 20 ms 1748 KB Output is correct
24 Correct 23 ms 3648 KB Output is correct
25 Correct 21 ms 3828 KB Output is correct
26 Correct 24 ms 3672 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 224 ms 24460 KB Output is correct
2 Correct 218 ms 23532 KB Output is correct
3 Correct 232 ms 22864 KB Output is correct
4 Correct 206 ms 23632 KB Output is correct
5 Correct 392 ms 33664 KB Output is correct
6 Execution timed out 3087 ms 46964 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1771 ms 23172 KB Output is correct
3 Execution timed out 3102 ms 56780 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 3103 ms 133676 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 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 6 ms 724 KB Output is correct
20 Correct 4 ms 724 KB Output is correct
21 Correct 4 ms 780 KB Output is correct
22 Correct 20 ms 3624 KB Output is correct
23 Correct 20 ms 1748 KB Output is correct
24 Correct 23 ms 3648 KB Output is correct
25 Correct 21 ms 3828 KB Output is correct
26 Correct 24 ms 3672 KB Output is correct
27 Correct 8 ms 1236 KB Output is correct
28 Correct 8 ms 1236 KB Output is correct
29 Correct 8 ms 1236 KB Output is correct
30 Correct 51 ms 5104 KB Output is correct
31 Correct 66 ms 6704 KB Output is correct
32 Correct 54 ms 6768 KB Output is correct
33 Correct 70 ms 8100 KB Output is correct
34 Correct 72 ms 8112 KB Output is correct
35 Correct 72 ms 7868 KB Output is correct
36 Correct 1912 ms 53620 KB Output is correct
37 Correct 1828 ms 53628 KB Output is correct
38 Correct 1947 ms 49412 KB Output is correct
39 Correct 1317 ms 12036 KB Output is correct
40 Correct 1365 ms 12000 KB Output is correct
41 Correct 1327 ms 11904 KB Output is correct
42 Correct 557 ms 10660 KB Output is correct
43 Correct 1681 ms 61860 KB Output is correct
44 Correct 1731 ms 61768 KB Output is correct
45 Correct 1788 ms 61584 KB Output is correct
46 Correct 1856 ms 61860 KB Output is correct
47 Correct 1780 ms 61840 KB Output is correct
48 Correct 1760 ms 61952 KB Output is correct
49 Correct 1826 ms 62056 KB Output is correct
50 Correct 1834 ms 61800 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 6 ms 724 KB Output is correct
20 Correct 4 ms 724 KB Output is correct
21 Correct 4 ms 780 KB Output is correct
22 Correct 20 ms 3624 KB Output is correct
23 Correct 20 ms 1748 KB Output is correct
24 Correct 23 ms 3648 KB Output is correct
25 Correct 21 ms 3828 KB Output is correct
26 Correct 24 ms 3672 KB Output is correct
27 Correct 224 ms 24460 KB Output is correct
28 Correct 218 ms 23532 KB Output is correct
29 Correct 232 ms 22864 KB Output is correct
30 Correct 206 ms 23632 KB Output is correct
31 Correct 392 ms 33664 KB Output is correct
32 Execution timed out 3087 ms 46964 KB Time limit exceeded
33 Halted 0 ms 0 KB -