답안 #698041

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
698041 2023-02-12T05:51:57 Z badont 비밀 (JOI14_secret) C++17
0 / 100
20000 ms 9088 KB
#include "secret.h"
#include <bits/stdc++.h>

using namespace std;
using pii = pair<int,int>;

struct Tree {
	vector<vector<int>> left, right;
	vector<pii> range_rep;
	int n;

	void init(int n, const vector<int>& data) {
		this->n = n;
		left.resize(4 * n + 5);
		right.resize(4 * n + 5);
		range_rep.resize(4 * n + 5);

		auto dfs = [&](auto dfs, int z, int l, int r) -> void {
			int m = (l + r) >> 1;

			left[z].resize(m - l + 1);
			right[z].resize(r - m);

			if (l == r) {
				left[z][0] = data[z];
				return;
			}

			left[z][0] = data[m];
			for (int i = m - 1, idx = 1; i >= l; i--, idx++) {
				left[z][idx] = Secret(left[z][idx - 1], data[i]);
			}
			right[z][0] = data[m + 1];
			for (int i = m + 2, idx = 1; i <= r; i++, idx++) {
				right[z][idx] = Secret(right[z][idx - 1], data[i]);
			}

			dfs(dfs, 2 * z, l, m);
			dfs(dfs, 2 * z + 1, m + 1, r);
		};
	}

	int query(int z, int l, int r, int ql, int qr) {
		int m = (l + r) >> 1;

		if (qr <= m) return query(2 * z, l, m, ql, qr);
		if (ql >= m + 1) return query(2 * z + 1, m + 1, r, ql, qr);

		int idx1 = m - ql, idx2 = qr - (m + 1);
		return Secret(left[z][idx1], right[z][idx2]);
	}

	int query(int ql, int qr) { return query(1, 0, n - 1, ql, qr); }
} tree;

void Init(int N, int A[]) {
	vector<int> a(N);
	for (int i = 0; i < N; i++)
		a[i] = A[i];

	tree.init(N, a);
}

int Query(int L, int R) {
	return tree.query(L, R);
}

Compilation message

secret.cpp: In member function 'void Tree::init(int, const std::vector<int>&)':
secret.cpp:18:8: warning: variable 'dfs' set but not used [-Wunused-but-set-variable]
   18 |   auto dfs = [&](auto dfs, int z, int l, int r) -> void {
      |        ^~~
# 결과 실행 시간 메모리 Grader output
1 Runtime error 111 ms 4820 KB Execution killed with signal 11
2 Runtime error 114 ms 4936 KB Execution killed with signal 11
3 Runtime error 112 ms 4836 KB Execution killed with signal 11
4 Runtime error 422 ms 9088 KB Execution killed with signal 11
5 Runtime error 416 ms 8964 KB Execution killed with signal 11
6 Execution timed out 20071 ms 4612 KB Time limit exceeded
7 Runtime error 432 ms 8960 KB Execution killed with signal 11
8 Runtime error 428 ms 9016 KB Execution killed with signal 11
9 Runtime error 421 ms 9004 KB Execution killed with signal 11
10 Runtime error 413 ms 8924 KB Execution killed with signal 11