oj.uz

답안 #604437

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
604437 2022-07-25T06:28:24 Z SeDunion CEOI16_icc (CEOI16_icc) C++17
0 / 100
 1 ms 468 KB 
#include<icc.h>
#include<algorithm>
#include<iostream>
#include<vector>

using namespace std;

const int N = 103;

int p[N];

int get(int x) {
	if (x == p[x]) return x;
	return p[x] = get(p[x]);
}

int A[N], B[N];

int query(vector<int>&X, vector<int>&Y) {
	for (int i = 0 ; i < (int)X.size() ; ++ i) A[i] = X[i];
	for (int i = 0 ; i < (int)Y.size() ; ++ i) B[i] = Y[i];
	return query(X.size(), Y.size(), A, B);
}

void run(int N) {
	for (int i = 1 ; i <= N ; ++ i) p[i] = i;
	for (int rep = 0 ; rep < N - 1 ; ++ rep) {
		vector<int>cur;
		for (int i = 1 ; i <= N ; ++ i) cur.emplace_back(get(i));
		sort(cur.begin(), cur.end()); cur.resize(unique(cur.begin(), cur.end()) - cur.begin());
		int m = cur.size();
		int diff = 0;
		for (int b = 1 ; b <= m ; b <<= 1) {
			vector<int>A, B;
			for (int i = 0 ; i < m ; ++ i) {
				if (i >> b & 1) A.emplace_back(cur[i]);
				else B.emplace_back(cur[i]);
			}
			if (A.empty() || B.empty()) continue;
			int x = query(A, B);
			if (x) diff |= b;
		}
		vector<pair<int,int>>can;
		for (int i = 0 ; i < m ; ++ i) {
			int x = cur[i];
			int y = (cur[i] ^ diff);
			if (1 <= y && y <= N) {
				can.emplace_back(x, y);
			}
		}
		int l = 0, r = (int)can.size() - 1;
		while (l < r) {
			int mid = (l + r) >> 1;
			vector<int>A, B;
			for (int i = 0 ; i <= mid ; ++ i) {
				A.emplace_back(can[i].first);
				B.emplace_back(can[i].second);
			}
			int x = query(A, B);
			if (x) r = mid;
			else l = mid + 1;
		}
		int x = can[r].first;
		int y = can[r].second;
		vector<int>X, Y;
		for (int i = 1 ; i <= N ; ++ i) {
			if (get(i) == x) X.emplace_back(i);
			if (get(i) == y) Y.emplace_back(i);
		}
		int lx = 0, rx = (int)X.size() - 1;
		while (lx < rx) {
			int mid = (lx + rx) >> 1;
			vector<int>A, B = Y;
			for (int i = 0 ; i <= mid ; ++ i) {
				A.emplace_back(X[i]);
			}
			int x = query(A, B);
			if (x) rx = mid;
			else lx = mid + 1;
		}
		int ly = 0, ry = (int)Y.size() - 1;
		while (ly < ry) {
			int mid = (ly + ry) >> 1;
			vector<int>A = X, B;
			for (int i = 0 ; i <= mid ; ++ i) {
				B.emplace_back(Y[i]);
			}
			int x = query(A, B);
			if (x) ry = mid;
			else ly = mid + 1;
		}
		int a = X[rx];
		int b = Y[ry];
		cout << "edge " << a << " " << b << endl;
		p[a] = b;
		setRoad(a, b);
	}
}

Subtask #1
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB The query sets must be disjoint
2 Halted 0 ms 0 KB -