답안 #290788

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
290788 2020-09-04T12:54:45 Z Plurm Xoractive (IZhO19_xoractive) C++11
100 / 100
7 ms 672 KB
#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;

vector<int> multisetDifference(vector<int> a, vector<int> b){
	sort(a.begin(), a.end());
	multiset<int> msb(b.begin(), b.end());
	vector<int> out;
	for(int x : a){
		if(msb.find(x) == msb.end()){
			out.push_back(x);
		}else{
			msb.erase(msb.find(x));
		}
	}
	return out;
}
vector<int> setDifference(vector<int> a, vector<int> b){
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	/*
	for(int i = 1; i < a.size(); i++) assert(a[i-1] <= a[i]);
	for(int i = 1; i < b.size(); i++) assert(b[i-1] <= b[i]);
	*/
	vector<int> out;
	for(int x : a){
		if(!binary_search(b.begin(), b.end(), x)) out.push_back(x);
	}
	return out;
}

int front;
int lb[256];
int rb[256];
vector<int> qdep[8];
vector<int> ansdep[8];
vector<int> seg[256];
void build(int c, int l, int r, int dep = 0){
	lb[c] = l;
	rb[c] = r;
	qdep[dep].push_back(c);
	if(l == r) return;
	int k = (l+r)/2; 
	build(2*c, l, k, dep+1);
	build(2*c+1, k+1, r, dep+1);
}
void propagate(int c, int dep = 0){
	if(c == 1) seg[1] = ansdep[0];
	else if(c % 2 == 0){
		seg[c] = setDifference(seg[c/2], seg[c+1]);
	}else{
		seg[c] = setDifference(seg[c/2], ansdep[dep]);
	}
	if(lb[c] == rb[c]) return;
	propagate(2*c+1, dep+1);
	propagate(2*c, dep+1);
}
void collect(int c, vector<int>& ans){
	if(lb[c] == rb[c]){
		if(!seg[c].empty()) ans.push_back(seg[c].front());
		return;
	}
	collect(2*c, ans);
	collect(2*c+1, ans);
}
vector<int> guess(int n) {
	front = ask(1);
	build(1, 1, n+1);
	for(int i = 1; i < 8; i++){
		if(qdep[i].empty()) break;
		vector<int> query;
		for(int x : qdep[i]){
			if(x % 2 == 0 || x == 1){
				for(int j = lb[x]; j <= rb[x] && j <= n; j++) query.push_back(j);
			}
		}
		if(query.empty()) break;
		assert(query.front() == 1);
		vector<int> i1 = get_pairwise_xor(query);
		query.erase(query.begin());
		vector<int> i2 = query.empty() ? vector<int>() : get_pairwise_xor(query);
		vector<int> cur = multisetDifference(i1, i2);
		sort(cur.begin(), cur.end());
		cur.resize(unique(cur.begin(), cur.end()) - cur.begin());
		for(int& x : cur) x ^= front;
		if(cur.empty() || cur.front() != front) cur.insert(cur.begin(), front);
		ansdep[i] = cur;
		for(int x : cur) ansdep[0].push_back(x);
	}
	sort(ansdep[0].begin(), ansdep[0].end());
	ansdep[0].resize(unique(ansdep[0].begin(), ansdep[0].end()) - ansdep[0].begin());
	propagate(1);
	vector<int> ans;
	collect(1, ans);
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 7 ms 640 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 7 ms 512 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 532 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 6 ms 512 KB Output is correct
22 Correct 6 ms 512 KB Output is correct
23 Correct 5 ms 512 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 6 ms 512 KB Output is correct
29 Correct 6 ms 512 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 6 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 6 ms 512 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 6 ms 512 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 6 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 6 ms 512 KB Output is correct
53 Correct 5 ms 512 KB Output is correct
54 Correct 6 ms 512 KB Output is correct
55 Correct 5 ms 512 KB Output is correct
56 Correct 6 ms 512 KB Output is correct
57 Correct 6 ms 512 KB Output is correct
58 Correct 5 ms 512 KB Output is correct
59 Correct 5 ms 512 KB Output is correct
60 Correct 5 ms 512 KB Output is correct
61 Correct 6 ms 512 KB Output is correct
62 Correct 6 ms 512 KB Output is correct
63 Correct 5 ms 512 KB Output is correct
64 Correct 5 ms 512 KB Output is correct
65 Correct 6 ms 512 KB Output is correct
66 Correct 5 ms 512 KB Output is correct
67 Correct 5 ms 512 KB Output is correct
68 Correct 5 ms 512 KB Output is correct
69 Correct 6 ms 512 KB Output is correct
70 Correct 6 ms 512 KB Output is correct
71 Correct 5 ms 580 KB Output is correct
72 Correct 7 ms 672 KB Output is correct
73 Correct 6 ms 512 KB Output is correct
74 Correct 6 ms 512 KB Output is correct
75 Correct 6 ms 672 KB Output is correct
76 Correct 6 ms 512 KB Output is correct
77 Correct 5 ms 512 KB Output is correct
78 Correct 5 ms 512 KB Output is correct
79 Correct 5 ms 512 KB Output is correct
80 Correct 5 ms 512 KB Output is correct
81 Correct 6 ms 512 KB Output is correct
82 Correct 5 ms 512 KB Output is correct
83 Correct 5 ms 512 KB Output is correct
84 Correct 6 ms 512 KB Output is correct
85 Correct 6 ms 512 KB Output is correct
86 Correct 6 ms 512 KB Output is correct
87 Correct 5 ms 512 KB Output is correct
88 Correct 6 ms 512 KB Output is correct
89 Correct 6 ms 512 KB Output is correct
90 Correct 6 ms 512 KB Output is correct
91 Correct 5 ms 512 KB Output is correct
92 Correct 5 ms 512 KB Output is correct
93 Correct 5 ms 512 KB Output is correct
94 Correct 5 ms 512 KB Output is correct
95 Correct 5 ms 512 KB Output is correct
96 Correct 5 ms 512 KB Output is correct
97 Correct 5 ms 512 KB Output is correct
98 Correct 5 ms 512 KB Output is correct
99 Correct 5 ms 512 KB Output is correct
100 Correct 6 ms 512 KB Output is correct