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Submission #516785

# Submission time Handle Problem Language Result Execution time Memory
516785 2022-01-22T06:17:03 Z mansur Circle selection (APIO18_circle_selection) C++17
7 / 100
 243 ms 39060 KB 
#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e15, N = 1e6, mod = 998244353;                    

double eps = 1e-6;

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

double dst(double x1, double y1, double x2, double y2) {
	return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
} 

main() {                                                         
	//freopen("F.in", "r", stdin);                                                                                     
	//freopen("F.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n;
	cin >> n;
	if (n <= 5000) {
		vector<pair<pii, pii>> s;
		for (int i = 1, x, y, r; i <= n; i++) {
			cin >> x >> y >> r;
			s.pb({{inf - r, i}, {x, y}});
		}
		int ans[n + 1];
		vector<int> was(n + 1);
		sort(all(s));
		for (auto x: s) {
			if (was[x.ff.ss]) continue;
			was[x.ff.ss] = 1;
			ans[x.ff.ss] = x.ff.ss;
			for (auto y: s) {
    	    	if (was[y.ff.ss]) continue;
    	    	if (dst(x.ss.ff, x.ss.ss, y.ss.ff, y.ss.ss) - double(inf * 2 - x.ff.ff - y.ff.ff) <= eps) {
    	    		ans[y.ff.ss] = x.ff.ss;
    	    		was[y.ff.ss] = 1;
    	    	}
    	    }
		}
		for (int i = 1; i <= n; i++) cout << ans[i] << ' ';
	}else {
		vector<pair<pii, int>> s;
		for (int i = 1, x, y, r; i <= n; i++) {
			cin >> x >> y >> r;
			s.pb({{x, r}, i});						
		}
		sort(all(s));
		int l[n], r[n], ans[n + 1], tl = 0;
		for (int i = 0; i < n; i++) {
			while (abs(s[tl].ff.ff - s[i].ff.ff) <= s[tl].ff.ss - s[i].ff.ss) tl++;
			l[i] = tl - 1;	
		}
		reverse(all(s));
		tl = 0;
		for (int i = 0; i < n; i++) {
			while (abs(s[tl].ff.ff - s[i].ff.ff) <= s[tl].ff.ss - s[i].ff.ss) tl++;
			r[i] = n - tl;	
		}
		reverse(all(s));
		vector<pii> h;
		set<int> t;
		for (int i = 0; i < sz(s); i++) {
			h.pb({inf - s[i].ff.ss, s[i].ss});
			t.insert(i);
		}
		for (auto x: h) {
			if (t.find(x.ss) == t.end()) continue;
			auto it = t.lower_bound(l[x.ss]);
			vector<int> cur;
			while (it != t.end() && *it <= r[x.ss]) {
				ans[s[*it].ss] = x.ss;
				cur.pb(*it);
				it++;
			}
			for (auto e: cur) t.erase(e);
		}
		for (int i = 1; i <= n; i++) cout << ans[i] << ' ';
	}
}

Compilation message

circle_selection.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
circle_selection.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
circle_selection.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main() {
      | ^~~~
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:91:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<std::pair<long long int, long long int>, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |   for (int i = 0; i < sz(s); i++) {
      |                     ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 4 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 63 ms 628 KB Output is correct
23 Correct 58 ms 644 KB Output is correct
24 Correct 64 ms 716 KB Output is correct
25 Correct 58 ms 644 KB Output is correct
26 Correct 63 ms 648 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 237 ms 39060 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 90 ms 13356 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 243 ms 37244 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 4 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 63 ms 628 KB Output is correct
23 Correct 58 ms 644 KB Output is correct
24 Correct 64 ms 716 KB Output is correct
25 Correct 58 ms 644 KB Output is correct
26 Correct 63 ms 648 KB Output is correct
27 Incorrect 7 ms 1480 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 4 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 63 ms 628 KB Output is correct
23 Correct 58 ms 644 KB Output is correct
24 Correct 64 ms 716 KB Output is correct
25 Correct 58 ms 644 KB Output is correct
26 Correct 63 ms 648 KB Output is correct
27 Incorrect 237 ms 39060 KB Output isn't correct
28 Halted 0 ms 0 KB -