Submission #1309992

#	Time	Username	Problem	Language	Result	Execution time	Memory
1309992		settop	Permutation (APIO22_perm)	C++20	Compilation error	0 ms	0 KiB

perm

#include<bits/stdc++.h>
#include "perm.h"

using namespace std;
#define int long long
#define fall(i,a,b) for(int i=a;i<=b;i++)
#define rfall(i,a,b) for(int i=a;i>=b;i--)
#define sz(x) (int)x.size()

vector<int> construct_permutation(long long k){
	vector<int> ans(60);
	fall(i,0,59) ans[i]=i;
	int mask=(1LL<<60)-k;
	rfall(i,59,0){
		if(mask<k) break;
		mask-=k;
		ans.pop_back();
	}

	rfall(i,sz(ans)-2,0) if((mask & (1LL<<i))) swap(ans[i],ans[i+1]);

	return ans;
}

Compilation message (stderr)

perm.cpp:10:13: error: ambiguating new declaration of 'std::vector<long long int> construct_permutation(long long int)'
   10 | vector<int> construct_permutation(long long k){
      |             ^~~~~~~~~~~~~~~~~~~~~
In file included from perm.cpp:2:
perm.h:3:18: note: old declaration 'std::vector<int> construct_permutation(long long int)'
    3 | std::vector<int> construct_permutation(long long k);
      |                  ^~~~~~~~~~~~~~~~~~~~~