Submission #341431

# Submission time Handle Problem Language Result Execution time Memory
341431 2020-12-29T16:49:12 Z ogibogi2004 Xoractive (IZhO19_xoractive) C++14
100 / 100
7 ms 756 KB
#include "interactive.h"
#include<bits/stdc++.h>
using namespace std;
set<int>seen[8];
set<int>used;
int ans[128],n1;
void rec(int idx,int p,set<int>a)
{
	//cout<<idx<<" "<<p<<endl;
	if(p==7)
	{
		if(idx==0)return;
		for(auto xd:a)
		{
			if(used.find(xd)!=used.end())continue;
			ans[idx]=xd;
			used.insert(xd);
			break;
		}
		return;
	}
	if(idx+(1<<p)<n1)
	{
		set<int>a1;
		for(auto xd:a)
		{
			if(seen[p].find(xd)!=seen[p].end())
			{
				a1.insert(xd);
			}
		}
		rec(idx+(1<<p),p+1,a1);
	}
	rec(idx,p+1,a);
	
}
vector<int> guess(int n) {
	memset(ans,-1,sizeof(ans));
	ans[0]=ask(1);n1=n;
	//cout<<"*1\n";
	for(int i=0;i<7;i++)
	{
		vector<int>v;
		for(int j=1;j<n;j++)
		{
			if(j&(1<<i))v.push_back(j+1);
		}
		vector<int> t1;
		if(v.size()>0)t1=get_pairwise_xor(v);
		v.push_back(1);
		vector<int> t2=get_pairwise_xor(v);
		multiset<int>ms;
		for(int j=0;j<t2.size();j++)
		{
			ms.insert(t2[j]);
		}
		for(int j=0;j<t1.size();j++)
		{
			ms.erase(ms.find(t1[j]));
		}
		for(auto k:ms)if(k!=0)seen[i].insert(k^ans[0]);
	}
	//cout<<"*2\n";
	set<int>ivan;
	for(int i=0;i<7;i++)
	{
		for(auto xd:seen[i])ivan.insert(xd);
	}
	rec(0,0,ivan);
	//cout<<"*3\n";
	vector<int>ret;
	for(int i=0;i<n;i++)
	{
		//cout<<ans[i]<<" ";
		ret.push_back(ans[i]);
	}
	//cout<<endl;
	return ret;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:54:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for(int j=0;j<t2.size();j++)
      |               ~^~~~~~~~~~
Xoractive.cpp:58:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |   for(int j=0;j<t1.size();j++)
      |               ~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 492 KB Output is correct
3 Correct 5 ms 492 KB Output is correct
4 Correct 7 ms 492 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 492 KB Output is correct
7 Correct 5 ms 492 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 5 ms 492 KB Output is correct
11 Correct 6 ms 620 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 5 ms 492 KB Output is correct
14 Correct 5 ms 492 KB Output is correct
15 Correct 5 ms 492 KB Output is correct
16 Correct 5 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 5 ms 492 KB Output is correct
19 Correct 6 ms 492 KB Output is correct
20 Correct 5 ms 492 KB Output is correct
21 Correct 5 ms 492 KB Output is correct
22 Correct 6 ms 492 KB Output is correct
23 Correct 5 ms 492 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 5 ms 492 KB Output is correct
29 Correct 5 ms 492 KB Output is correct
30 Correct 5 ms 492 KB Output is correct
31 Correct 5 ms 492 KB Output is correct
32 Correct 5 ms 492 KB Output is correct
33 Correct 6 ms 756 KB Output is correct
34 Correct 5 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 5 ms 492 KB Output is correct
37 Correct 5 ms 492 KB Output is correct
38 Correct 5 ms 492 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 5 ms 492 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 5 ms 492 KB Output is correct
43 Correct 5 ms 492 KB Output is correct
44 Correct 5 ms 620 KB Output is correct
45 Correct 5 ms 492 KB Output is correct
46 Correct 5 ms 492 KB Output is correct
47 Correct 5 ms 492 KB Output is correct
48 Correct 7 ms 492 KB Output is correct
49 Correct 5 ms 492 KB Output is correct
50 Correct 6 ms 492 KB Output is correct
51 Correct 5 ms 492 KB Output is correct
52 Correct 5 ms 492 KB Output is correct
53 Correct 5 ms 492 KB Output is correct
54 Correct 5 ms 620 KB Output is correct
55 Correct 5 ms 492 KB Output is correct
56 Correct 5 ms 492 KB Output is correct
57 Correct 5 ms 492 KB Output is correct
58 Correct 5 ms 492 KB Output is correct
59 Correct 5 ms 492 KB Output is correct
60 Correct 5 ms 492 KB Output is correct
61 Correct 5 ms 512 KB Output is correct
62 Correct 5 ms 492 KB Output is correct
63 Correct 5 ms 492 KB Output is correct
64 Correct 6 ms 492 KB Output is correct
65 Correct 5 ms 492 KB Output is correct
66 Correct 5 ms 492 KB Output is correct
67 Correct 6 ms 492 KB Output is correct
68 Correct 6 ms 492 KB Output is correct
69 Correct 5 ms 640 KB Output is correct
70 Correct 5 ms 492 KB Output is correct
71 Correct 5 ms 492 KB Output is correct
72 Correct 5 ms 492 KB Output is correct
73 Correct 5 ms 492 KB Output is correct
74 Correct 5 ms 492 KB Output is correct
75 Correct 5 ms 492 KB Output is correct
76 Correct 5 ms 492 KB Output is correct
77 Correct 5 ms 492 KB Output is correct
78 Correct 5 ms 492 KB Output is correct
79 Correct 5 ms 492 KB Output is correct
80 Correct 5 ms 492 KB Output is correct
81 Correct 5 ms 492 KB Output is correct
82 Correct 5 ms 492 KB Output is correct
83 Correct 5 ms 492 KB Output is correct
84 Correct 5 ms 492 KB Output is correct
85 Correct 5 ms 492 KB Output is correct
86 Correct 5 ms 492 KB Output is correct
87 Correct 5 ms 492 KB Output is correct
88 Correct 5 ms 492 KB Output is correct
89 Correct 5 ms 492 KB Output is correct
90 Correct 5 ms 492 KB Output is correct
91 Correct 5 ms 492 KB Output is correct
92 Correct 5 ms 492 KB Output is correct
93 Correct 5 ms 492 KB Output is correct
94 Correct 6 ms 492 KB Output is correct
95 Correct 7 ms 492 KB Output is correct
96 Correct 5 ms 492 KB Output is correct
97 Correct 5 ms 492 KB Output is correct
98 Correct 5 ms 492 KB Output is correct
99 Correct 5 ms 492 KB Output is correct
100 Correct 5 ms 492 KB Output is correct