제출 #312984

#제출 시각아이디문제언어결과실행 시간메모리
312984kobus버섯 세기 (IOI20_mushrooms)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define f first #define s second #define pii pair<int,int> #define pb push_back #define mp make_pair #define MOD 1000000007 #define MAXN 1123 #define INF (int)1.5e12 #define INFF LLONG_MAX/2 #define eps 1e-4 int use_machine(int x[]); int count_mushrooms(int n){ vector<int> s[2]={{0},{}}; int nn[2]={0,0}; vector<int> ns; for(int i=1;i<n;i++)ns.pb(i); int k=85; while(ns.size()>0){ if(k>0 && ns.size()>1 && max(s[0].size(),s[1].size())>1){ k--; int a=ns[ns.size()-1]; int b=ns[ns.size()-2]; ns.pop_back(); ns.pop_back(); bool si=1; if(s[0].size()>s[1].size())si=0; int v[4]={s[si][0],a,s[si][1],b}; int x=use_machine(v); if(x%2)s[!si].pb(b); else s[si].pb(b); x=x/2; if(x%2)s[!si].pb(a); else s[si].pb(a); } else{ bool si=1; if(s[0].size()>s[1].size())si=0; int tam=min(s[si].size(),ns.size()); int v[2*tam]; for(int i=0;i<tam;i++){ v[2*i]=s[si][i]; } for(int i=0;i<tam;i++){ v[2*i+1]=ns[ns.size()-i-1]; } for(int i=0;i<tam;i++)ns.pop_back(); int x=use_machine(v); if(x%2)s[!si].pb(v[2*tam-1]); else s[si].pb(v[2*tam-1]); x=x/2; nn[!si]+=x; nn[si]+=tam-1-x; } } return s[0].size()+nn[0]; }

컴파일 시 표준 에러 (stderr) 메시지

/tmp/ccIIeHDb.o: In function `count_mushrooms(int)':
mushrooms.cpp:(.text+0x29a): undefined reference to `use_machine(int*)'
mushrooms.cpp:(.text+0x3c9): undefined reference to `use_machine(int*)'
collect2: error: ld returned 1 exit status