Submission #826680

# Submission time Handle Problem Language Result Execution time Memory
826680 2023-08-15T20:03:37 Z QwertyPi Mixture (BOI20_mixture) C++14
60 / 100
2000 ms 14920 KB
#include <bits/stdc++.h>
#define int long long
using namespace std;

struct V3d{
	int x, y, z;
	void norm(){
		int g = __gcd(__gcd(x, y), z); g = abs(g);
		if(g != 0) x /= g, y /= g, z /= g;
	}
	bool operator< (const V3d o) const {
		if(x != o.x) return x < o.x;
		if(y != o.y) return y < o.y;
		if(z != o.z) return z < o.z;
		return 0;
	}
};

int dot(V3d a, V3d b){
	return a.x * b.x + a.y * b.y + a.z * b.z;
}

__int128_t dot128(V3d a, V3d b){
	return (__int128_t) a.x * b.x + (__int128_t) a.y * b.y + (__int128_t) a.z * b.z;
}

long double triple(V3d a, V3d b, V3d c){
	long double r = 0;
	r += (long double) a.x * b.y * c.z;
	r += (long double) a.z * b.x * c.y;
	r += (long double) a.y * b.z * c.x;
	r -= (long double) a.x * b.z * c.y;
	r -= (long double) a.y * b.x * c.z;
	r -= (long double) a.z * b.y * c.x;
	return r;
}

V3d operator* (V3d a, int n){
	return {a.x * n, a.y * n, a.z * n};
}

V3d operator- (V3d a, V3d b){
	return {a.x - b.x, a.y - b.y, a.z - b.z};
}

V3d operator- (V3d b){
	return {-b.x, -b.y, -b.z};
}

V3d vds[100011]; int ai = 0;
V3d f;

long double deg(V3d a, V3d b){
	__int128_t p = dot128(a, b);
	long double q = sqrt((long double) dot128(a, a)) * sqrt((long double) dot128(b, b));
	return acos(min(1.0L, (long double) p / q)) * (triple(f, a, b) > 0 ? 1 : -1);
}

const long double PI = 3.1415926535;

struct Angle{
	bool init = false;
	multiset<long double> S;
	void add(long double d){
		S.insert(d);
	}
	void rem(long double d){
		S.erase(S.find(d));
	}
	bool qry(){
		if(!init) return false;
		if(S.size() < 3) return false;
		uniform_real_distribution<long double> dist(-PI, PI);
		random_device rd;
		for(int tr = 0; tr < 50; tr++){
			long double d = dist(rd);
			auto ptr = S.lower_bound(d);
			if(ptr != S.begin() && ptr != S.end()){
				long double diff = *ptr - *prev(ptr);
				if(diff > PI) return false;
			}else{
				long double diff = *S.begin() + PI * 2 - *prev(S.end());
				if(diff > PI) return false;
			}
		}
		return true;
	}
} Solver;

struct Handle{
	int c1 = 0, c2 = 0; map<V3d, int> cnt;
	V3d o;
	void add(V3d a){
		a.norm();
		if(a.x == 0 && a.y == 0 && a.z == 0) { c1++; return; }
		if(!Solver.init){
			Solver.init = true;
			o = a; Solver.add(deg(o, a));
		}else{
			Solver.add(deg(o, a));
		}
		cnt[a]++; if(cnt[a] == 1 && cnt[-a] > 0) c2++;
	}
	void rem(V3d a){
		a.norm();
		if(a.x == 0 && a.y == 0 && a.z == 0) { c1--; return; }
		Solver.rem(deg(o, a));
		cnt[a]--; if(cnt[a] == 0 && cnt[-a] > 0) c2--;
	}
	int qry(){
		if(c1 > 0) return 1;
		if(c2 > 0) return 2;
		if(Solver.qry()) return 3;
		return 0;
	}
} handle;

int32_t main(){
	int x, y, z; cin >> x >> y >> z; f = V3d {x, y, z};
	int n; cin >> n;
	for(int i = 0; i < n; i++){
		char c; cin >> c;
		if(c == 'A'){
			int x, y, z; cin >> x >> y >> z;
			V3d a {x, y, z};
			vds[++ai] = a * dot(f, f) - f * dot(a, f);
			handle.add(vds[ai]);
		}else{
			int x; cin >> x;
			handle.rem(vds[x]);
		}
		cout << handle.qry() << endl;
	}
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 9 ms 212 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 19 ms 320 KB Output is correct
33 Correct 2 ms 212 KB Output is correct
34 Correct 15 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 20 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 9 ms 212 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 19 ms 320 KB Output is correct
33 Correct 2 ms 212 KB Output is correct
34 Correct 15 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 20 ms 468 KB Output is correct
37 Correct 15 ms 340 KB Output is correct
38 Correct 5 ms 324 KB Output is correct
39 Correct 17 ms 444 KB Output is correct
40 Correct 56 ms 408 KB Output is correct
41 Correct 56 ms 416 KB Output is correct
42 Correct 53 ms 368 KB Output is correct
43 Correct 46 ms 404 KB Output is correct
44 Correct 47 ms 364 KB Output is correct
45 Correct 41 ms 388 KB Output is correct
46 Correct 24 ms 764 KB Output is correct
47 Correct 165 ms 772 KB Output is correct
48 Correct 73 ms 344 KB Output is correct
49 Correct 158 ms 324 KB Output is correct
50 Correct 132 ms 356 KB Output is correct
51 Correct 242 ms 848 KB Output is correct
52 Correct 37 ms 568 KB Output is correct
53 Correct 37 ms 904 KB Output is correct
54 Correct 338 ms 980 KB Output is correct
55 Correct 9 ms 368 KB Output is correct
56 Correct 12 ms 436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 9 ms 212 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 19 ms 320 KB Output is correct
33 Correct 2 ms 212 KB Output is correct
34 Correct 15 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 20 ms 468 KB Output is correct
37 Correct 15 ms 340 KB Output is correct
38 Correct 5 ms 324 KB Output is correct
39 Correct 17 ms 444 KB Output is correct
40 Correct 56 ms 408 KB Output is correct
41 Correct 56 ms 416 KB Output is correct
42 Correct 53 ms 368 KB Output is correct
43 Correct 46 ms 404 KB Output is correct
44 Correct 47 ms 364 KB Output is correct
45 Correct 41 ms 388 KB Output is correct
46 Correct 24 ms 764 KB Output is correct
47 Correct 165 ms 772 KB Output is correct
48 Correct 73 ms 344 KB Output is correct
49 Correct 158 ms 324 KB Output is correct
50 Correct 132 ms 356 KB Output is correct
51 Correct 242 ms 848 KB Output is correct
52 Correct 37 ms 568 KB Output is correct
53 Correct 37 ms 904 KB Output is correct
54 Correct 338 ms 980 KB Output is correct
55 Correct 9 ms 368 KB Output is correct
56 Correct 12 ms 436 KB Output is correct
57 Correct 13 ms 404 KB Output is correct
58 Correct 461 ms 1100 KB Output is correct
59 Correct 469 ms 1036 KB Output is correct
60 Correct 18 ms 980 KB Output is correct
61 Correct 45 ms 1640 KB Output is correct
62 Correct 649 ms 1672 KB Output is correct
63 Correct 781 ms 14920 KB Output is correct
64 Execution timed out 2068 ms 5740 KB Time limit exceeded
65 Halted 0 ms 0 KB -