Submission #475574

#	Time	Username	Problem	Language	Result	Execution time	Memory
475574		ismoilov	Xoractive (IZhO19_xoractive)	C++14	Compilation error	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

vector<int> guess(int n)
{
	int a = ask(1);
	map <int, int> s;
	for(int i = 0; i < 7; i ++){
		vector <int> x;
		for(int j = 1; j < n; j ++)
			if(j >> i & 1)
				x.push_back(j);
		int c = get_pairwise_xor(x);
		c.push_back(1);
		int c1 = get_pairwise_xor(x);
		map <int, int> g;
		for(int j : c)
			g[j] --;
		for(int j : c1)
			g[j] ++;
		for(auto it : g)
			if(it.second > 0)
				s[it.first^a] += (1<<i);
	}
	vector <int> ans(n);
	ans[0] = a;
	for(auto it : s)
		ans[it.second] = it.first;
	return ans;
}

/*int main()
{
	IOS;
	/*int t;
	cin >> t;
	while(t --)
		S();
}*/

Compilation message (stderr)

Xoractive.cpp:39:2: warning: "/*" within comment [-Wcomment]
   39 |  /*int t;
      |   
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:10:10: error: 'ask' was not declared in this scope
   10 |  int a = ask(1);
      |          ^~~
Xoractive.cpp:17:11: error: 'get_pairwise_xor' was not declared in this scope
   17 |   int c = get_pairwise_xor(x);
      |           ^~~~~~~~~~~~~~~~
Xoractive.cpp:18:5: error: request for member 'push_back' in 'c', which is of non-class type 'int'
   18 |   c.push_back(1);
      |     ^~~~~~~~~
Xoractive.cpp:21:15: error: 'begin' was not declared in this scope; did you mean 'std::begin'?
   21 |   for(int j : c)
      |               ^
      |               std::begin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Xoractive.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin' declared here
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
Xoractive.cpp:21:15: error: 'end' was not declared in this scope; did you mean 'std::end'?
   21 |   for(int j : c)
      |               ^
      |               std::end
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Xoractive.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end' declared here
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~
Xoractive.cpp:23:15: error: 'begin' was not declared in this scope; did you mean 'std::begin'?
   23 |   for(int j : c1)
      |               ^~
      |               std::begin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Xoractive.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin' declared here
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
Xoractive.cpp:23:15: error: 'end' was not declared in this scope; did you mean 'std::end'?
   23 |   for(int j : c1)
      |               ^~
      |               std::end
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Xoractive.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end' declared here
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~