// And you curse yourself for things you never done
#include<bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
const int maxn = 3e5 + 10, mod = 1e9 + 7, inf = 1e9 + 10;
pair<pll, ll> p[maxn];
int arr[maxn], ans[maxn];
pll operator - (pll a, pll b){
return {a.F - b.F, a.S - b.S};
}
pll operator + (pll a, pll b){
return {a.F + b.F, a.S + b.S};
}
ll operator ^ (pll a, pll b){
return 1ll * a.F * b.F + 1ll * a.S * b.S;
}
bool ok(int i, int j){
return 1ll * (p[j].S + p[i].S) * (p[j].S + p[i].S) >= ((p[i].F - p[j].F) ^ (p[i].F - p[j].F));
}
struct Hash{
int operator() (const pii &p)const{
return hash<ll>()( (ll(p.F) << 32) | ll(p.S) );
}
};
unordered_map<pii, vector<int>, Hash> mp;
int Log = 31;
int n;
int cnt[maxn];
void reSize(){
mp.clear();
for(int i = 0; i < n; i++){
if(ans[i] == -1)
mp[{p[i].F.F >> Log, p[i].F.S >> Log}].PB(i);
}
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie();
memset(ans, -1, sizeof ans);
cin >> n;
for(int i = 0; i < n; i++){
cin >> p[i].F.F >> p[i].F.S >> p[i].S;
p[i].F.F+= inf, p[i].F.S+= inf;
}
auto cmp = [](int i, int j){
return (p[i].S == p[j].S ? i > j : p[i].S < p[j].S);
};
iota(arr, arr + n, 0);
sort(arr, arr + n, cmp);
for(int I = n-1; I >= 0; I--){
int i = arr[I];
bool done = 0;
while(Log > 0 && (1<<(Log-1)) >= p[i].S)
Log--, done = 1;
if(done)
reSize();
if(ans[i] == -1){
ans[i] = i;
int x = p[i].F.F >> Log, y = p[i].F.S >> Log;
for(int X = x-2; X <= x+2; X++){
for(int Y = y-2; Y <= y+2; Y++){
if(mp.count({X, Y})){
vector<int> vec;
for(int id : mp[{X, Y}]){
if(ans[id] == -1 && ok(id, i))
ans[id] = i;
if(ans[id] == -1)
vec.PB(id);//, assert(++cnt[id] <= 10);
}
if(!vec.empty())
mp[{X, Y}] = vec;
}
}
}
}
}
for(int i = 0; i < n; i++){
cout << ans[i] + 1 << " ";
}
return cout << endl, 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
1 ms |
1536 KB |
Output is correct |
4 |
Correct |
2 ms |
1536 KB |
Output is correct |
5 |
Correct |
1 ms |
1536 KB |
Output is correct |
6 |
Correct |
1 ms |
1536 KB |
Output is correct |
7 |
Correct |
1 ms |
1536 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
1 ms |
1536 KB |
Output is correct |
11 |
Correct |
1 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1536 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
1 ms |
1536 KB |
Output is correct |
15 |
Correct |
1 ms |
1536 KB |
Output is correct |
16 |
Correct |
2 ms |
1536 KB |
Output is correct |
17 |
Correct |
2 ms |
1536 KB |
Output is correct |
18 |
Correct |
2 ms |
1536 KB |
Output is correct |
19 |
Correct |
4 ms |
1920 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
4 ms |
1920 KB |
Output is correct |
22 |
Correct |
7 ms |
2304 KB |
Output is correct |
23 |
Correct |
8 ms |
2280 KB |
Output is correct |
24 |
Correct |
8 ms |
2304 KB |
Output is correct |
25 |
Correct |
8 ms |
2304 KB |
Output is correct |
26 |
Correct |
8 ms |
2304 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
222 ms |
12100 KB |
Output is correct |
2 |
Correct |
210 ms |
13176 KB |
Output is correct |
3 |
Correct |
208 ms |
12796 KB |
Output is correct |
4 |
Correct |
208 ms |
12604 KB |
Output is correct |
5 |
Execution timed out |
3096 ms |
11912 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1536 KB |
Output is correct |
2 |
Correct |
789 ms |
15496 KB |
Output is correct |
3 |
Execution timed out |
3085 ms |
41736 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1273 ms |
43428 KB |
Output is correct |
2 |
Correct |
575 ms |
43656 KB |
Output is correct |
3 |
Correct |
2973 ms |
19572 KB |
Output is correct |
4 |
Correct |
577 ms |
43784 KB |
Output is correct |
5 |
Correct |
577 ms |
43656 KB |
Output is correct |
6 |
Correct |
382 ms |
14456 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
1 ms |
1536 KB |
Output is correct |
4 |
Correct |
2 ms |
1536 KB |
Output is correct |
5 |
Correct |
1 ms |
1536 KB |
Output is correct |
6 |
Correct |
1 ms |
1536 KB |
Output is correct |
7 |
Correct |
1 ms |
1536 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
1 ms |
1536 KB |
Output is correct |
11 |
Correct |
1 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1536 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
1 ms |
1536 KB |
Output is correct |
15 |
Correct |
1 ms |
1536 KB |
Output is correct |
16 |
Correct |
2 ms |
1536 KB |
Output is correct |
17 |
Correct |
2 ms |
1536 KB |
Output is correct |
18 |
Correct |
2 ms |
1536 KB |
Output is correct |
19 |
Correct |
4 ms |
1920 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
4 ms |
1920 KB |
Output is correct |
22 |
Correct |
7 ms |
2304 KB |
Output is correct |
23 |
Correct |
8 ms |
2280 KB |
Output is correct |
24 |
Correct |
8 ms |
2304 KB |
Output is correct |
25 |
Correct |
8 ms |
2304 KB |
Output is correct |
26 |
Correct |
8 ms |
2304 KB |
Output is correct |
27 |
Correct |
8 ms |
2176 KB |
Output is correct |
28 |
Correct |
8 ms |
2176 KB |
Output is correct |
29 |
Correct |
9 ms |
2200 KB |
Output is correct |
30 |
Correct |
15 ms |
3072 KB |
Output is correct |
31 |
Correct |
16 ms |
3200 KB |
Output is correct |
32 |
Correct |
16 ms |
3072 KB |
Output is correct |
33 |
Correct |
73 ms |
5484 KB |
Output is correct |
34 |
Correct |
74 ms |
5484 KB |
Output is correct |
35 |
Correct |
74 ms |
5472 KB |
Output is correct |
36 |
Correct |
328 ms |
15628 KB |
Output is correct |
37 |
Correct |
220 ms |
15624 KB |
Output is correct |
38 |
Correct |
365 ms |
15624 KB |
Output is correct |
39 |
Correct |
2513 ms |
14284 KB |
Output is correct |
40 |
Correct |
2663 ms |
14192 KB |
Output is correct |
41 |
Correct |
2566 ms |
14232 KB |
Output is correct |
42 |
Correct |
1846 ms |
12040 KB |
Output is correct |
43 |
Correct |
159 ms |
15364 KB |
Output is correct |
44 |
Correct |
156 ms |
15368 KB |
Output is correct |
45 |
Correct |
154 ms |
15368 KB |
Output is correct |
46 |
Correct |
155 ms |
15364 KB |
Output is correct |
47 |
Correct |
182 ms |
15364 KB |
Output is correct |
48 |
Correct |
163 ms |
15368 KB |
Output is correct |
49 |
Correct |
182 ms |
15368 KB |
Output is correct |
50 |
Correct |
158 ms |
15364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
1 ms |
1536 KB |
Output is correct |
4 |
Correct |
2 ms |
1536 KB |
Output is correct |
5 |
Correct |
1 ms |
1536 KB |
Output is correct |
6 |
Correct |
1 ms |
1536 KB |
Output is correct |
7 |
Correct |
1 ms |
1536 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
1 ms |
1536 KB |
Output is correct |
11 |
Correct |
1 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1536 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
1 ms |
1536 KB |
Output is correct |
15 |
Correct |
1 ms |
1536 KB |
Output is correct |
16 |
Correct |
2 ms |
1536 KB |
Output is correct |
17 |
Correct |
2 ms |
1536 KB |
Output is correct |
18 |
Correct |
2 ms |
1536 KB |
Output is correct |
19 |
Correct |
4 ms |
1920 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
4 ms |
1920 KB |
Output is correct |
22 |
Correct |
7 ms |
2304 KB |
Output is correct |
23 |
Correct |
8 ms |
2280 KB |
Output is correct |
24 |
Correct |
8 ms |
2304 KB |
Output is correct |
25 |
Correct |
8 ms |
2304 KB |
Output is correct |
26 |
Correct |
8 ms |
2304 KB |
Output is correct |
27 |
Correct |
222 ms |
12100 KB |
Output is correct |
28 |
Correct |
210 ms |
13176 KB |
Output is correct |
29 |
Correct |
208 ms |
12796 KB |
Output is correct |
30 |
Correct |
208 ms |
12604 KB |
Output is correct |
31 |
Execution timed out |
3096 ms |
11912 KB |
Time limit exceeded |
32 |
Halted |
0 ms |
0 KB |
- |