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답안 #299494

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
299494 2020-09-15T04:16:44 Z E869120 Mixture (BOI20_mixture) C++14
30 / 100
 1502 ms 49144 KB 
#include <bits/stdc++.h>
using namespace std;

struct Point {
	long long px, py, pz;
};

bool operator==(const Point &a1, const Point &a2) {
	if (a1.px != a2.px) return false;
	if (a1.py != a2.py) return false;
	if (a1.pz != a2.pz) return false;
	return true;
}

Point operator+(const Point &a1, const Point &a2) {
	return Point{a1.px + a2.px, a1.py + a2.py, a1.pz + a2.pz};
}

// Input
Point G;
Point GG = {1001LL, 8691LL, 12321LL};
long long Q;
char C[1 << 18];
long long D1[1 << 18], D2[1 << 18], D3[1 << 18];
long long DD[1 << 18];

// Points
long long N;
Point H[1 << 18];

// Tansaku
bool used[509];
bool dokuritsu[509][509];
bool r1[509];
bool r2[509][509];
bool r3[509][509][509];

long long gcd(long long a, long long b) {
	if (b == 0) return a;
	return gcd(b, a % b);
}

int calc(Point v1, Point v2) {
	long long f1 = gcd(v1.px, gcd(v1.py, v1.pz));
	long long f2 = gcd(v2.px, gcd(v2.py, v2.pz));
	Point w1 = Point{v1.px / f1, v1.py / f1, v1.pz / f1};
	Point w2 = Point{v2.px / f2, v2.py / f2, v2.pz / f2};
	if (w1 == w2) return 1;
	return 0;
}

int hantei(Point v1, Point v2, Point v3) {
	long long u1 = v1.px * v2.py * v3.pz;
	long long u2 = v1.py * v2.pz * v3.px;
	long long u3 = v1.pz * v2.px * v3.py;
	long long u4 = v1.px * v2.pz * v3.py;
	long long u5 = v1.py * v2.px * v3.pz;
	long long u6 = v1.pz * v2.py * v3.px;
	long long uu = u1 + u2 + u3 - u4 - u5 - u6;
	if (uu > 0) return 1;
	if (uu == 0) return 0;
	return -1;
}

bool solve1() {
	vector<int> vec;
	for (int i = 1; i <= N; i++) { if (used[i] == true) vec.push_back(i); }
	for (int i = 0; i < (int)vec.size(); i++) {
		if (r1[vec[i]] == true) return true;
	}
	return false;
}

bool solve2() {
	vector<int> vec;
	for (int i = 1; i <= N; i++) { if (used[i] == true) vec.push_back(i); }
	for (int i = 0; i < (int)vec.size(); i++) {
		for (int j = i + 1; j < (int)vec.size(); j++) {
			if (r2[vec[i]][vec[j]] == true) { return true; }
		}
	}
	return false;
}

bool solve3() {
	vector<int> vec;
	for (int i = 1; i <= N; i++) { if (used[i] == true) vec.push_back(i); }
	for (int i = 0; i < (int)vec.size(); i++) {
		for (int j = i + 1; j < (int)vec.size(); j++) {
			for (int k = j + 1; k < (int)vec.size(); k++) {
				if (r3[vec[i]][vec[j]][vec[k]] == true) return true;
			}
		}
	}
	return false;
}

int main() {
	// Step #1. Input
	cin >> G.px >> G.py >> G.pz;
	cin >> Q;
	for (int i = 1; i <= Q; i++) {
		cin >> C[i];
		if (C[i] == 'A') {
			cin >> D1[i] >> D2[i] >> D3[i];
			N += 1;
			DD[i] = N;
			H[N] = Point{D1[i], D2[i], D3[i]};
		}
		if (C[i] == 'R') {
			cin >> D1[i];
		}
	}
	
	// Step #2. Tansaku
	for (int i = 1; i <= N; i++) {
		if (calc(H[i], G) == 1) r1[i] = true;
		for (int j = 1; j <= N; j++) {
			if (calc(H[i], H[j]) == 0) dokuritsu[i][j] = true;
		}
	}
	for (int i = 1; i <= N; i++) {
		for (int j = i + 1; j <= N; j++) {
			if (dokuritsu[i][j] == false) continue;
			if (hantei(H[i], H[j], G) == 0) {
				int v1 = hantei(H[i] + GG, G + GG, GG);
				int v2 = hantei(H[j] + GG, G + GG, GG);
				if (v1 != v2) r2[i][j] = true;
				//cout << "#" << i << " " << j << " " << v1 << " " << v2 << endl;
			}
			for (int k = j + 1; k <= N; k++) {
				if (dokuritsu[j][k] == false) continue;
				if (dokuritsu[k][i] == false) continue;
				int cnt1 = 0, cnt2 = 0, cnt3 = 0;
				int u1 = hantei(H[i], H[j], G); if (u1 == 1) cnt1 += 1; if (u1 == -1) cnt2 += 1; if (u1 == 0) cnt3 += 1;
				int u2 = hantei(H[j], H[k], G); if (u2 == 1) cnt1 += 1; if (u2 == -1) cnt2 += 1; if (u2 == 0) cnt3 += 1;
				int u3 = hantei(H[k], H[i], G); if (u3 == 1) cnt1 += 1; if (u3 == -1) cnt2 += 1; if (u3 == 0) cnt3 += 1;
				if ((cnt1 == 0 || cnt2 == 0) && cnt3 == 0) r3[i][j][k] = true;
			}
		}
	}
	
	// Step #3. Answer Query
	for (int i = 1; i <= Q; i++) {
		if (C[i] == 'A') used[DD[i]] = true;
		if (C[i] == 'R') used[D1[i]] = false;
		bool f1 = solve1();
		bool f2 = solve2();
		bool f3 = solve3();
		if (f1 == true) cout << "1" << endl;
		else if (f2 == true) cout << "2" << endl;
		else if (f3 == true) cout << "3" << endl;
		else cout << "0" << endl;
	}
	return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 544 KB Output is correct
19 Correct 1 ms 896 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 544 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 2 ms 512 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 389 ms 1012 KB Output is correct
23 Correct 335 ms 41848 KB Output is correct
24 Correct 1163 ms 792 KB Output is correct
25 Correct 220 ms 39428 KB Output is correct
26 Correct 231 ms 41848 KB Output is correct
27 Correct 184 ms 13048 KB Output is correct
28 Correct 1502 ms 1272 KB Output is correct
29 Correct 65 ms 18552 KB Output is correct
30 Correct 187 ms 760 KB Output is correct
31 Correct 10 ms 512 KB Output is correct
32 Correct 290 ms 49144 KB Output is correct
33 Correct 10 ms 896 KB Output is correct
34 Correct 617 ms 11640 KB Output is correct
35 Correct 104 ms 760 KB Output is correct
36 Correct 77 ms 19832 KB Output is correct

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 544 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 2 ms 512 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 389 ms 1012 KB Output is correct
23 Correct 335 ms 41848 KB Output is correct
24 Correct 1163 ms 792 KB Output is correct
25 Correct 220 ms 39428 KB Output is correct
26 Correct 231 ms 41848 KB Output is correct
27 Correct 184 ms 13048 KB Output is correct
28 Correct 1502 ms 1272 KB Output is correct
29 Correct 65 ms 18552 KB Output is correct
30 Correct 187 ms 760 KB Output is correct
31 Correct 10 ms 512 KB Output is correct
32 Correct 290 ms 49144 KB Output is correct
33 Correct 10 ms 896 KB Output is correct
34 Correct 617 ms 11640 KB Output is correct
35 Correct 104 ms 760 KB Output is correct
36 Correct 77 ms 19832 KB Output is correct
37 Correct 190 ms 26232 KB Output is correct
38 Correct 178 ms 3960 KB Output is correct
39 Incorrect 438 ms 6480 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 544 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 2 ms 512 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 389 ms 1012 KB Output is correct
23 Correct 335 ms 41848 KB Output is correct
24 Correct 1163 ms 792 KB Output is correct
25 Correct 220 ms 39428 KB Output is correct
26 Correct 231 ms 41848 KB Output is correct
27 Correct 184 ms 13048 KB Output is correct
28 Correct 1502 ms 1272 KB Output is correct
29 Correct 65 ms 18552 KB Output is correct
30 Correct 187 ms 760 KB Output is correct
31 Correct 10 ms 512 KB Output is correct
32 Correct 290 ms 49144 KB Output is correct
33 Correct 10 ms 896 KB Output is correct
34 Correct 617 ms 11640 KB Output is correct
35 Correct 104 ms 760 KB Output is correct
36 Correct 77 ms 19832 KB Output is correct
37 Correct 190 ms 26232 KB Output is correct
38 Correct 178 ms 3960 KB Output is correct
39 Incorrect 438 ms 6480 KB Output isn't correct
40 Halted 0 ms 0 KB -