제출 #897832

#제출 시각아이디문제언어결과실행 시간메모리
897832maxFedorchukNautilus (BOI19_nautilus)C++17
100 / 100
566 ms2132 KiB
#include <bits/stdc++.h> using namespace std; const long long MX=1010; bitset < MX*MX > ok; bitset < MX*MX > dp; int main() { cin.tie(0); ios_base::sync_with_stdio(0); int n,m,k; cin>>n>>m>>k; char zn; for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { cin>>zn; if(zn=='.') { ok[i*MX+j]=1; } } } dp=ok; string s; cin>>s; for(auto zr:s) { if(zr=='N') { dp=(dp>>MX); } if(zr=='S') { dp=(dp<<MX); } if(zr=='W') { dp=(dp>>1); } if(zr=='E') { dp=(dp<<1); } if(zr=='?') { dp=((dp<<MX)|(dp>>MX)|(dp<<1)|(dp>>1)); } dp&=ok; } cout<<dp.count()<<"\n"; return 0; }
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