Submission #417714

#TimeUsernameProblemLanguageResultExecution timeMemory
417714vanicGondola (IOI14_gondola)C++14
10 / 100
13 ms1484 KiB
#include "gondola.h" #include <cmath> #include <algorithm> #include <vector> using namespace std; typedef long long ll; const int maxn=1e5+5, mod=1e9+7, Log=30; inline int sum(int a, int b){ if(a+b>=mod){ return a+b-mod; } if(a+b<0){ return a+b+mod; } return a+b; } inline int mul(int a, int b){ return (ll)a*b%mod; } inline int pot(int a, int b){ int sol=1; for(int i=0; i<Log; i++){ if((1<<i)&b){ sol=mul(sol, a); } a=mul(a, a); } return sol; } int poc[maxn]; int valid(int n, int l[]){ for(int i=0; i<n; i++){ poc[i]=i+1; } int pos=-1; for(int i=0; i<n; i++){ if(l[i]<=n){ pos=i; break; } } int val=l[pos]; for(int i=0; i<n; i++){ poc[pos]=val; val=(val+1)%n; pos=(pos+1)%n; if(!val){ val=n; } } for(int i=0; i<n; i++){ if(l[i]<=n && poc[i]!=l[i]){ return 0; } } return 1; } int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return -2; } //---------------------- int countReplacement(int n, int inputSeq[]) { return -3; }
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