Submission #912270

#	Time	Username	Problem	Language	Result	Execution time	Memory
912270		TienDungz	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KiB

perm

#include "perm.h"
#include <bits/stdc++.h> 
using namespace std;
 
typedef long long ll;
typedef long double ld;
ll MOD = 1e9+7;
double eps = 1e-12;
#define fi first
#define se second
#define INF 2e18
#define int long long
int t, n;
int pre[201];
// signed main()
// {
//     ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

//     // #ifndef ONLINE_JUDGE
//     // freopen("input.txt", "r", stdin);
//     // freopen("output.txt", "w", stdout);
//     // #endif

//     cin >> t;
//     while (t--) {
//         bool ok = true;
//         cin >> n;
//         vector<int> res;
//         int cnt = 0;
//         int p = 0;
//         for (int j = 60; j >= 0; j--) {
//             int m = 1LL << j;
//             if (n - m >= 0) {
//                 n -=m;
//                 if (ok) {
//                     ok = false;
//                     for (int i = 1; i <= j; i++) {
//                         res.push_back(2 * i);
//                     }
//                     p = j;
//                 } else {
//                     res.push_back(2 * j + 1);
//                 }
//             }
//         }

//         cout << res.size() << '\n';
//         for (int i = 0; i < res.size(); i++) {
//             cout << res[i] << ' ';
//         }

//         cout << '\n';

//     }
// }

std::vector<int> construct_permutation(long long n)
{
  vector<int> res;
        int cnt = 0;
        int p = 0;
        for (int j = 60; j >= 0; j--) {
            int m = 1LL << j;
            if (n - m >= 0) {
                n -=m;
                if (ok) {
                    ok = false;
                    for (int i = 1; i <= j; i++) {
                        res.push_back(2 * i);
                    }
                    p = j;
                } else {
                    res.push_back(2 * j + 1);
                }
            }
        }
    return res;
}

Compilation message (stderr)

perm.cpp:57:18: error: ambiguating new declaration of 'std::vector<long long int> construct_permutation(long long int)'
   57 | std::vector<int> construct_permutation(long long n)
      |                  ^~~~~~~~~~~~~~~~~~~~~
In file included from perm.cpp:1:
perm.h:3:18: note: old declaration 'std::vector<int> construct_permutation(long long int)'
    3 | std::vector<int> construct_permutation(long long k);
      |                  ^~~~~~~~~~~~~~~~~~~~~
perm.cpp: In function 'std::vector<long long int> construct_permutation(long long int)':
perm.cpp:66:21: error: 'ok' was not declared in this scope
   66 |                 if (ok) {
      |                     ^~
perm.cpp:60:13: warning: unused variable 'cnt' [-Wunused-variable]
   60 |         int cnt = 0;
      |             ^~~