제출 #916501

#제출 시각아이디문제언어결과실행 시간메모리
916501wii순열 (APIO22_perm)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include <perm.h> using namespace std; #define int long long void dnc(deque<int> &v, int id, int u) { if (id < 0) return; if (u & 1) { dnc(v, id - 1, u >> 1); v.push_back(id); } else { dnc(v, id - 1, u - 1); v.push_front(id); } } vector<int> construct_permutation(int k) { k -= 1; int cnt = 0; for (int x = k; x > 0; x = (~x & 1 ? --x : x >> 1), ++cnt); deque<int> ans; dnc(ans, cnt - 1, k); return vector<int>(ans.begin(), ans.end()); }

컴파일 시 표준 에러 (stderr) 메시지

perm.cpp:19:13: error: ambiguating new declaration of 'std::vector<long long int> construct_permutation(long long int)'
   19 | vector<int> construct_permutation(int 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);
      |                  ^~~~~~~~~~~~~~~~~~~~~
perm.cpp: In function 'std::vector<long long int> construct_permutation(long long int)':
perm.cpp:23:30: warning: operation on 'x' may be undefined [-Wsequence-point]
   23 |     for (int x = k; x > 0; x = (~x & 1 ? --x : x >> 1), ++cnt);
      |                            ~~^~~~~~~~~~~~~~~~~~~~~~~~~
perm.cpp:23:30: warning: operation on 'x' may be undefined [-Wsequence-point]