제출 #203630

#제출 시각아이디문제언어결과실행 시간메모리
203630thebes곤돌라 (IOI14_gondola)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define DEBUG 1 using namespace std; namespace output{ void __(short x){cout<<x;} void __(unsigned x){cout<<x;} void __(int x){cout<<x;} void __(long long x){cout<<x;} void __(unsigned long long x){cout<<x;} void __(double x){cout<<x;} void __(long double x){cout<<x;} void __(char x){cout<<x;} void __(const char*x){cout<<x;} void __(const string&x){cout<<x;} void __(bool x){cout<<(x?"true":"false");} template<class S,class T> void __(const pair<S,T>&x){__(DEBUG?"(":""),__(x.first),__(DEBUG?", ":" "),__(x.second),__(DEBUG?")":"");} template<class T> void __(const vector<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");} template<class T> void __(const set<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");} template<class T> void __(const multiset<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");} template<class S,class T> void __(const map<S,T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");} void pr(){cout<<"\n";} template<class S,class... T> void pr(const S&a,const T&...b){__(a);if(sizeof...(b))__(' ');pr(b...);} } using namespace output; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<double,double> pdd; typedef pair<ld,ld> pld; typedef vector<int> vi; typedef vector<ll> vl; #define pb push_back #define fox(i,x,y) for(int i=(x);i<=(y);i++) #define foxr(i,x,y) for(int i=(y);i>=(x);i--) int valid(int n,int *arr){ set<int> S; for(int i=0;i<n;i++) S.insert(arr[i]); if(S.size()!=n) return 0; int mn=1<<30, st=-1; for(int i=0;i<n;i++){ if(arr[i]>n) continue; if(arr[i]<mn){ mn = arr[i]; st = i; } } if(st==-1) return 1; int f = 1; for(int i=0;i<n;i++){ if(arr[(i+st)%n]>n) continue; if(arr[(i+st)%n]!=i+1) f=0; } return f; } int replacement(int n,int *arr,int *rep){ vi seq; seq.resize(n); int mn=1<<30, st=0; for(int i=0;i<n;i++){ if(arr[i]>n) continue; if(arr[i]<mn){ mn = arr[i]; st = i; } } map<int,int> op; int lst=n+1, sz=0; for(int i=0;i<n;i++){ seq[i]=i+1; if(arr[(st+i)%n]>n) op[arr[(st+i)%n]]=i; } for(auto v : op){ while(lst<v.first) rep[sz++]=seq[v.second],seq[v.second]=lst,lst++; lst = v.first+1; rep[sz++]=seq[v.second], seq[v.second]=v.first; } return sz; } int mod = 1e9+9; int qpow(int b,int exp){ if(exp<=0) return 1; else if(exp&1) return 1LL*b*qpow(b,exp-1)%mod; else{int r=qpow(b,exp>>1); return 1LL*r*r%mod;} } int countReplacement(int n,int *arr){ if(!valid(n,arr)) return 0; map<int,int> op; int rem = 0, ans = 1; for(int i=0;i<n;i++){ if(arr[i]>n){ rem++; op[arr[i]]=i; } } if(rem==n) ans *= n; int lst = n+1; for(auto v : op){ ans = 1LL*ans*qpow(rem,v.first-lst)%mod; rem--; lst = v.first+1; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:50:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(S.size()!=n) return 0;
        ~~~~~~~~^~~
/tmp/ccUYq4pJ.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0xe2): undefined reference to `valid'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status