답안 #951727

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
951727	2024-03-22T11:52:16 Z	koukirocks	Mixture (BOI20_mixture)	C++17	100 / 100	128 ms	9876 KB

Mixture

#include <bits/stdc++.h>
#define speed ios_base::sync_with_stdio(0); cin.tie(0)
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
 
using namespace std;
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
 
const ll MAX=1e5+10,P=1e9+7;
const ll INF=0x3f3f3f3f,oo=0x3f3f3f3f3f3f3f3f;

ldb x,y,z;
ll n;
int s0=0;
int s1=0;
pair<ldb,ldb> btl[MAX];
const ldb PI=acos(-1.0),eps=1e-15;
struct cmp{
	bool operator()(const ldb& ax,const ldb& ay)const{
		return ax+eps<ay;
	}
};
multiset<ldb,cmp> agl;


bool eq(ldb a,ldb b) {
	return abs(a-b)<=eps;
}

ldb cal(ldb a,ldb b) {
	ldb ans=atan2(a,b);
//	cout<<a<<" "<<b<<" "<<ans<<" ang\n";
	if (ans<0) ans+=PI+PI;
	return ans;
}

ldb rev(ldb now) {
	if (now>PI) return now-PI;
	else return now+PI;
}

void isrt(ldb dx,ldb dy) {
	if (eq(dx,0) and eq(dy,0)) s0++;
	else {
		ldb now=cal(dx,dy);
//		cout<<now<<" "<<rev(now)<<" rev\n";
		if (agl.find(now)==agl.end() and agl.find(rev(now))!=agl.end()) s1++;
		agl.insert(now);
	}
}

void del(int id) {
	auto [dx,dy]=btl[id];
	if (eq(dx,0) and eq(dy,0)) s0--;
	else {
		ldb now=cal(dx,dy);
		agl.erase(agl.find(now));
		if (agl.find(now)==agl.end() and agl.find(rev(now))!=agl.end()) s1--;
	}
}

int main() {
	speed;
//	cout<<PI<<"\n"<<flush;
	cin>>x>>y>>z;
	ldb tsum=x+y+z;
	x/=tsum;
	y/=tsum;
//	cout<<x<<" "<<y<<" xy\n";
	cin>>n;
	int now=1;
	for (int i=1;i<=n;i++) {
		char c;
		cin>>c;
		if (c=='A') {
			ldb tx,ty,tz;
			cin>>tx>>ty>>tz;
			ldb sum=tx+ty+tz;
			tx/=sum;
			ty/=sum;
//			cout<<now<<" "<<tx<<" "<<ty<<" xy1\n";
			tx-=x;
			ty-=y;
//			cout<<now<<" "<<tx<<" "<<ty<<" xy2\n";
			btl[now++]={tx,ty};
			isrt(tx,ty);
		} else {
			int id;
			cin>>id;
			del(id);
		}
//		for (auto k:agl) cout<<k<<" ";
//		cout<<" st\n";
//		cout<<s1<<" s1\n";
		if (s0>0) cout<<"1\n";
		else if (s1>0) cout<<"2\n";
		else if (agl.size()>=3) {
			bool yes=true;
			yes&=((PI+PI-*agl.rbegin()+*agl.begin())<PI);
			auto it=agl.lower_bound(PI);
			if (it==agl.begin()) yes=false;
			else {
				yes&=((*it-*prev(it))<PI);
			}
			if (yes) cout<<"3\n";
			else cout<<"0\n";
		} else {
			cout<<"0\n";
		}
	}
	return 0;
}

/*
5 5 5
5
A 2 2 1
A 2 2 3
A 2 2 3
R 3
R 2
*/

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	464 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	468 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	436 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	464 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	468 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	436 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	488 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	600 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	464 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	468 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	436 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	488 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	600 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	1 ms	476 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	3 ms	604 KB	Output is correct
47	Correct	3 ms	600 KB	Output is correct
48	Correct	2 ms	344 KB	Output is correct
49	Correct	2 ms	348 KB	Output is correct
50	Correct	2 ms	548 KB	Output is correct
51	Correct	4 ms	604 KB	Output is correct
52	Correct	4 ms	860 KB	Output is correct
53	Correct	5 ms	796 KB	Output is correct
54	Correct	5 ms	856 KB	Output is correct
55	Correct	3 ms	604 KB	Output is correct
56	Correct	3 ms	604 KB	Output is correct

Subtask #4
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	464 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	468 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	436 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	488 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	600 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	1 ms	476 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	3 ms	604 KB	Output is correct
47	Correct	3 ms	600 KB	Output is correct
48	Correct	2 ms	344 KB	Output is correct
49	Correct	2 ms	348 KB	Output is correct
50	Correct	2 ms	548 KB	Output is correct
51	Correct	4 ms	604 KB	Output is correct
52	Correct	4 ms	860 KB	Output is correct
53	Correct	5 ms	796 KB	Output is correct
54	Correct	5 ms	856 KB	Output is correct
55	Correct	3 ms	604 KB	Output is correct
56	Correct	3 ms	604 KB	Output is correct
57	Correct	4 ms	604 KB	Output is correct
58	Correct	5 ms	604 KB	Output is correct
59	Correct	5 ms	600 KB	Output is correct
60	Correct	5 ms	812 KB	Output is correct
61	Correct	16 ms	3932 KB	Output is correct
62	Correct	17 ms	3928 KB	Output is correct
63	Correct	107 ms	9228 KB	Output is correct
64	Correct	111 ms	9132 KB	Output is correct
65	Correct	93 ms	5716 KB	Output is correct
66	Correct	94 ms	5684 KB	Output is correct
67	Correct	0 ms	348 KB	Output is correct
68	Correct	0 ms	348 KB	Output is correct
69	Correct	128 ms	9876 KB	Output is correct
70	Correct	103 ms	7608 KB	Output is correct
71	Correct	104 ms	7692 KB	Output is correct
72	Correct	98 ms	9296 KB	Output is correct
73	Correct	123 ms	9296 KB	Output is correct

답안 #951727

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 17.0 / 17.0

Subtask #3 30.0 / 30.0

Subtask #4 40.0 / 40.0

Subtask #1
13.0 / 13.0

Subtask #2
17.0 / 17.0

Subtask #3
30.0 / 30.0

Subtask #4
40.0 / 40.0