제출 #204644

#제출 시각아이디문제언어결과실행 시간메모리
204644a_player곤돌라 (IOI14_gondola)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define f first #define s second #define mp make_pair #define rep replacementSeq #define MOD 1000000009 using namespace std; const int MAXN = 250e3+5; bitset<MAXN> v; int valid(int n, int inputSeq[]) { for(int i=0;i<n;i++){ if(v[inputSeq[i]])return 0; v[inputSeq[i]]=1; } int mini=min_element(inputSeq,inputSeq+n)-inputSeq; int ans=1; if(inputSeq[mini]>n)return 1; int i=(mini-inputSeq[mini]+1+n)%n; for(int j=0;j<n-1;j++){ if(inputSeq[(i+j)%n]>n||inputSeq[(i+j+1)%n]>n)continue; ans*=(inputSeq[(i+j)%n]+1==inputSeq[(i+j+1)%n]); } return ans; } //---------------------- vector<pair<int,int> > a; int replacement(int n, int gondolaSeq[], int replacementSeq[]) { int ind=-1; for(int i=0;i<n;i++)if(gondolaSeq[i]<=n)ind=i; if(ind==-1){ for(int j=0;j<n;j++)a.push_back(mp(gondolaSeq[j],j+1)); }else{ ind=(ind-gondolaSeq[ind]+1+n)%n; for(int j=0;j<n;j++)a.push_back(mp(gondolaSeq[(ind+j)%n],j+1)); } sort(a.begin(),a.end()); int id=0; int k=n; for(pair<int,int> x:a){ if(x.f==x.s)continue; rep[id++]=x.s; for(k+=1;k<x.f;k++)rep[id++]=k; } return id; } //---------------------- int pot(int n, int a){ if(n==0)return 1; int h=pot(n/2,a)%MOD; h=(h*h)%MOD; if(n%2)h=(h*a)%MOD; return h; } int countReplacement(int n, int inputSeq[]) { if(!valid(n,inputSeq))return 0; int ans=1; sort(inputSeq,inputSeq+n); bool flag=1; for(int i=0;i<n;i++)flag*=inputSeq[i]>n; if(flag)ans=n; int k=n; for(int i=0;i<n;i++){ if(inputSeq[i]<=k)continue; ans=(ans*pot(inputSeq[i]-k-1,n-i))%MOD; k=inputSeq[i]; } return ans%MOD; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:71:27: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context]
   for(int i=0;i<n;i++)flag*=inputSeq[i]>n;
                       ~~~~^~~~~~~~~~~~~~~
/tmp/cchikQ7q.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