제출 #1128311

#제출 시각아이디문제언어결과실행 시간메모리
1128311mnbvcxz123Genetics (BOI18_genetics)C++20
100 / 100
290 ms19976 KiB
#include<bits/stdc++.h> using namespace std; using ll=long long; ll n,m,k; string s[5005]; ll cnt[5005][4]; int cv(char c){ if(c=='A')return 0; else if(c=='C')return 1; else if(c=='G')return 2; return 3; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cin>>n>>m>>k; srand(time(nullptr)); vector<int>v(n+1,0); ll sv=0; for(int i=1;i<=n;++i){ cin>>s[i]; v[i]=rand()%((int)1e9); for(int j=0;j<m;++j){ int c=cv(s[i][j]); cnt[j][c]+=v[i]; } sv+=v[i]; } vector<int>ch; for(int i=1;i<=n;++i){ ll ss=0; for(int j=0;j<m;++j){ int c=cv(s[i][j]); for(int k=0;k<=3;++k) if(k!=c) ss+=cnt[j][k]; } if(ss==k*(sv-v[i]))ch.push_back(i); } cout<<ch[0]<<'\n'; }
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