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Submission #252530

# Submission time Handle Problem Language Result Execution time Memory
252530 2020-07-25T19:26:53 Z shayan_p Circle selection (APIO18_circle_selection) C++14
87 / 100
 3000 ms 173892 KB 
// 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;
 
const int maxn = 3e5 + 10, mod = 1e9 + 7, inf = 1e9 + 10;
const ll INF = 1e18;
 
pair<pii, int> p[maxn];
int arr[maxn], ans[maxn];
 
pii operator - (pii a, pii b){
    return {a.F - b.F, a.S - b.S};
}
pii operator + (pii a, pii b){
    return {a.F + b.F, a.S + b.S};
}
ll operator ^ (pii a, pii 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));
}
 
vector<int> vx, vy;    
 
vector<int> val, fs;
vector<int> stock;
 
void push(int &lst, int x){
    fs.PB(lst);
    lst = sz(val);
    val.PB(x);
}
 
struct node{
    map<int, int> mp;
    void add(int pos, int x){
	mp[pos] = x;
    }
    /*    void _ask(int pos){
	auto it = mp.lower_bound(pos);
	if(it != mp.end())
	    stock.PB(it->S);
	if(it != mp.begin())
	    stock.PB(prev(it)->S);
	    }*/
    void ask(int i){
	auto ITR = mp.lower_bound(p[i].F.S + p[i].S), ITL = mp.lower_bound(p[i].F.S - p[i].S);
	if(ITL != mp.begin())
	    stock.PB(prev(ITL)->S);
	if(ITR != mp.end())
	    stock.PB(ITR->S);
	while(ITL != ITR)
	    stock.PB(ITL->S), ITL++;
    }
};
struct node2{
    node2 *L = 0, *R = 0;
    node* seg = 0;
    void add(int f, int s, int pos, int x, int l = 0, int r = sz(vx)-1){
	if(f <= vx[l] && vx[r] <= s){
	    if(!seg)
		seg = new node();
	    seg->add(pos, x);
	    return;
	}
	if(r-l == 1)
	    return;
	int mid = (l+r) >> 1;	
	if(max(f, vx[l]) < min(s, vx[mid])){
	    if(!L)
		L = new node2();
	    L->add(f, s, pos, x, l, mid);
	}
	if(max(f, vx[mid]) < min(s, vx[r])){
	    if(!R)
		R = new node2();
	    R->add(f, s, pos, x, mid, r);
	}
    }
    void ask(int pos, int pos2, int l = 0, int r = sz(vx)-1){
	if(seg)
	    seg->ask(pos2);
	if(r-l == 1)
	    return;
	int mid = (l+r) >> 1;
	if(pos < vx[mid] && L)
	    L->ask(pos, pos2, l, mid);
	if(vx[mid] <= pos && R)
	    R->ask(pos, pos2, mid, r);	    
    }
};
 
 
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie();
 
    node2* root = new node2();
    
    int n;
    cin >> n;
 
    for(int i = 0; i < n; i++){
	cin >> p[i].F.F >> p[i].F.S >> p[i].S;
	
	vx.PB(p[i].F.F - p[i].S);
	vx.PB(p[i].F.F + p[i].S + 1);
	
	vy.PB(p[i].F.S - p[i].S);
	vy.PB(p[i].F.S + p[i].S + 1);
	
	arr[i] = i;
    }
    auto cmp = [](int i, int j){
		   return (p[i].S == p[j].S ? i > j : p[i].S < p[j].S);
	       };
    sort(arr, arr + n, cmp);
 
    sort(vx.begin(), vx.end());
    vx.resize( unique(vx.begin(), vx.end()) - vx.begin() );
 
    sort(vy.begin(), vy.end());
    vy.resize( unique(vy.begin(), vy.end()) - vy.begin() );
 
    for(int i = n-1; i >= 0; i--){
	int I = arr[i];
	stock.clear();
	for(int w = -1; w <= 1; w++){
	    root->ask(p[I].F.F + w * p[I].S, I); // kafie?
	}
	for(int id : stock){
	    if(ok(I, id)){
		if(ans[I] == 0 || cmp(ans[I] - 1, id))
		    ans[I] = id + 1;
	    }
	}
	if(ans[I] == 0){
	    ans[I] = I + 1;
	    root->add(p[I].F.F - p[I].S, p[I].F.F + p[I].S + 1, p[I].F.S, I);
	}
    }
    for(int i = 0; i < n; i++){
	cout << ans[i] << " ";
    }
    return cout << endl, 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 10 ms 2048 KB Output is correct
23 Correct 17 ms 3072 KB Output is correct
24 Correct 9 ms 1920 KB Output is correct
25 Correct 9 ms 1664 KB Output is correct
26 Correct 10 ms 1920 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 358 ms 13284 KB Output is correct
2 Correct 344 ms 13248 KB Output is correct
3 Correct 338 ms 13000 KB Output is correct
4 Correct 356 ms 13256 KB Output is correct
5 Correct 489 ms 17356 KB Output is correct
6 Correct 648 ms 52684 KB Output is correct
7 Correct 563 ms 23468 KB Output is correct
8 Correct 669 ms 32204 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 464 ms 53284 KB Output is correct
3 Correct 1723 ms 156620 KB Output is correct
4 Correct 1593 ms 156116 KB Output is correct
5 Correct 2333 ms 140980 KB Output is correct
6 Correct 782 ms 58072 KB Output is correct
7 Correct 335 ms 28000 KB Output is correct
8 Correct 34 ms 4468 KB Output is correct
9 Correct 1724 ms 157576 KB Output is correct
10 Correct 2619 ms 125052 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1208 ms 145568 KB Output is correct
2 Correct 653 ms 74204 KB Output is correct
3 Correct 1834 ms 30924 KB Output is correct
4 Correct 720 ms 84240 KB Output is correct
5 Correct 774 ms 78788 KB Output is correct
6 Correct 1232 ms 17216 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 10 ms 2048 KB Output is correct
23 Correct 17 ms 3072 KB Output is correct
24 Correct 9 ms 1920 KB Output is correct
25 Correct 9 ms 1664 KB Output is correct
26 Correct 10 ms 1920 KB Output is correct
27 Correct 11 ms 896 KB Output is correct
28 Correct 10 ms 896 KB Output is correct
29 Correct 12 ms 928 KB Output is correct
30 Correct 27 ms 5112 KB Output is correct
31 Correct 20 ms 3712 KB Output is correct
32 Correct 19 ms 3712 KB Output is correct
33 Correct 114 ms 4704 KB Output is correct
34 Correct 112 ms 4704 KB Output is correct
35 Correct 116 ms 4768 KB Output is correct
36 Correct 323 ms 39136 KB Output is correct
37 Correct 329 ms 40040 KB Output is correct
38 Correct 370 ms 44000 KB Output is correct
39 Correct 255 ms 7652 KB Output is correct
40 Correct 261 ms 7648 KB Output is correct
41 Correct 259 ms 7648 KB Output is correct
42 Correct 253 ms 7648 KB Output is correct
43 Correct 205 ms 24504 KB Output is correct
44 Correct 213 ms 24544 KB Output is correct
45 Correct 199 ms 24524 KB Output is correct
46 Correct 214 ms 24548 KB Output is correct
47 Correct 194 ms 24544 KB Output is correct
48 Correct 203 ms 24656 KB Output is correct
49 Correct 224 ms 24544 KB Output is correct
50 Correct 195 ms 24544 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 10 ms 2048 KB Output is correct
23 Correct 17 ms 3072 KB Output is correct
24 Correct 9 ms 1920 KB Output is correct
25 Correct 9 ms 1664 KB Output is correct
26 Correct 10 ms 1920 KB Output is correct
27 Correct 358 ms 13284 KB Output is correct
28 Correct 344 ms 13248 KB Output is correct
29 Correct 338 ms 13000 KB Output is correct
30 Correct 356 ms 13256 KB Output is correct
31 Correct 489 ms 17356 KB Output is correct
32 Correct 648 ms 52684 KB Output is correct
33 Correct 563 ms 23468 KB Output is correct
34 Correct 669 ms 32204 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 464 ms 53284 KB Output is correct
37 Correct 1723 ms 156620 KB Output is correct
38 Correct 1593 ms 156116 KB Output is correct
39 Correct 2333 ms 140980 KB Output is correct
40 Correct 782 ms 58072 KB Output is correct
41 Correct 335 ms 28000 KB Output is correct
42 Correct 34 ms 4468 KB Output is correct
43 Correct 1724 ms 157576 KB Output is correct
44 Correct 2619 ms 125052 KB Output is correct
45 Correct 1208 ms 145568 KB Output is correct
46 Correct 653 ms 74204 KB Output is correct
47 Correct 1834 ms 30924 KB Output is correct
48 Correct 720 ms 84240 KB Output is correct
49 Correct 774 ms 78788 KB Output is correct
50 Correct 1232 ms 17216 KB Output is correct
51 Correct 11 ms 896 KB Output is correct
52 Correct 10 ms 896 KB Output is correct
53 Correct 12 ms 928 KB Output is correct
54 Correct 27 ms 5112 KB Output is correct
55 Correct 20 ms 3712 KB Output is correct
56 Correct 19 ms 3712 KB Output is correct
57 Correct 114 ms 4704 KB Output is correct
58 Correct 112 ms 4704 KB Output is correct
59 Correct 116 ms 4768 KB Output is correct
60 Correct 323 ms 39136 KB Output is correct
61 Correct 329 ms 40040 KB Output is correct
62 Correct 370 ms 44000 KB Output is correct
63 Correct 255 ms 7652 KB Output is correct
64 Correct 261 ms 7648 KB Output is correct
65 Correct 259 ms 7648 KB Output is correct
66 Correct 253 ms 7648 KB Output is correct
67 Correct 205 ms 24504 KB Output is correct
68 Correct 213 ms 24544 KB Output is correct
69 Correct 199 ms 24524 KB Output is correct
70 Correct 214 ms 24548 KB Output is correct
71 Correct 194 ms 24544 KB Output is correct
72 Correct 203 ms 24656 KB Output is correct
73 Correct 224 ms 24544 KB Output is correct
74 Correct 195 ms 24544 KB Output is correct
75 Correct 382 ms 13008 KB Output is correct
76 Correct 368 ms 13248 KB Output is correct
77 Correct 347 ms 13220 KB Output is correct
78 Correct 347 ms 13120 KB Output is correct
79 Correct 553 ms 14912 KB Output is correct
80 Correct 337 ms 13004 KB Output is correct
81 Correct 1388 ms 150600 KB Output is correct
82 Correct 1229 ms 138688 KB Output is correct
83 Correct 1243 ms 139104 KB Output is correct
84 Correct 1808 ms 167920 KB Output is correct
85 Correct 1450 ms 146636 KB Output is correct
86 Correct 1187 ms 135808 KB Output is correct
87 Execution timed out 3091 ms 173892 KB Time limit exceeded
88 Halted 0 ms 0 KB -