Submission #742495

#	Time	Username	Problem	Language	Result	Execution time	Memory
742495		keisuke6	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KiB

perm

#include "perm.h"
#include <vector>
#include <iostream>
using namespace std;

vector<int> construct_permutation(long long k)
{
	vector<int> A = {};
	int now = 300;
	int ans = 1;
	while(ans*2 <= k){
		A.push_back(now);
		ans *= 2;
		now++;
	}
	set<int> B;
	int n = A.size();
	for(int i=0;i<n;i++){
		if((1ll<<(n-i-1))+ans <= k) B.insert(i);
	}
	vector<int> Ans = {};
	now = 100;
	for(int i=0;i<n;i++){
		Ans.push_back(A[i]);
		if(B.count(i)) Ans.push_back(now);
		now--;
	}
	return Ans;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:16:2: error: 'set' was not declared in this scope
   16 |  set<int> B;
      |  ^~~
perm.cpp:4:1: note: 'std::set' is defined in header '<set>'; did you forget to '#include <set>'?
    3 | #include <iostream>
  +++ |+#include <set>
    4 | using namespace std;
perm.cpp:16:6: error: expected primary-expression before 'int'
   16 |  set<int> B;
      |      ^~~
perm.cpp:19:31: error: 'B' was not declared in this scope
   19 |   if((1ll<<(n-i-1))+ans <= k) B.insert(i);
      |                               ^
perm.cpp:25:6: error: 'B' was not declared in this scope
   25 |   if(B.count(i)) Ans.push_back(now);
      |      ^