제출 #258425

#제출 시각아이디문제언어결과실행 시간메모리
258425fivefourthreeoneUnscrambling a Messy Bug (IOI16_messy)C++17
컴파일 에러
0 ms0 KiB
/*#pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops")*/ #include "messy.h" #include <bits/stdc++.h> #define owo(i,a, b) for(int i=(a);i<(b); ++i) #define uwu(i,a, b) for(int i=(a)-1; i>=(b); --i) #define senpai push_back #define ttgl pair<int, int> #define ayaya cout<<"ayaya~"<<endl using namespace std; /*#include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; gpu_hash_table<int, int> mp; #define ordered_set tree<ttgl, null_type,less<ttgl>, rb_tree_tag,tree_order_statistics_node_update> */ using ll = long long; using ld = long double; const ll MOD = 1000000007; const ll root = 62; int gcd(int a,int b){return b?gcd(b,a%b):a;} ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;} ll modInv(ll a){return binpow(a, MOD-2);} const double PI = acos(-1); const double eps = -1e6; const int INF = 0x3f3f3f3f; const int NINF = 0xc0c0c0c0; const ll INFLL = 0x3f3f3f3f3f3f3f3f; const ll NINFLL = 0xc0c0c0c0c0c0c0c0; int ans[128]; int n; void place(int l, int r) { string s; owo(i, 0, n) { if(i>=l&&i<=r) { s+='1'; }else { s+='0'; } } int mid = (l+r)/2; owo(i, l, mid+1) { s[i] = '0'; add_element(s); s[i] = '1'; } place(l, mid); place(mid+1, r); } void solve(int l, int r) { string s; owo(i, 0, n) { if(i>=l&&i<=r) { s+='1'; }else { s+='0'; } } int mid = (l+r)/2; owo(i, l, mid+1) { s[i] = '0'; if(!check_element(s)) { int k = ans[r-i+l]; ans[r-i+l] = ans[i]; ans[i] = k; } s[i] = '1'; } } int* restore_permutation(int N, int w, int r) { n = N; owo(i, 0, n) { ans[i] = i; } place(0, n-1); compile_set(); solve(0, n-1); int result[n]; owo(i, 0, n) { result[i] = ans[i]; } return result; } /*int main() { //freopen("file.in", "r", stdin); //freopen("file.out", "w", stdout); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); cin.tie(0)->sync_with_stdio(0); cin>>n; return 0; }*/

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'int* restore_permutation(int, int, int)':
messy.cpp:72:6: error: ambiguating new declaration of 'int* restore_permutation(int, int, int)'
 int* restore_permutation(int N, int w, int r) {
      ^~~~~~~~~~~~~~~~~~~
In file included from messy.cpp:4:0:
messy.h:10:18: note: old declaration 'std::vector<int> restore_permutation(int, int, int)'
 std::vector<int> restore_permutation(int n, int w, int r);
                  ^~~~~~~~~~~~~~~~~~~
messy.cpp:80:9: warning: address of local variable 'result' returned [-Wreturn-local-addr]
     int result[n];
         ^~~~~~