Submission #928921

#TimeUsernameProblemLanguageResultExecution timeMemory
928921Faisal_SaqibNautilus (BOI19_nautilus)C++17
100 / 100
211 ms157736 KiB
#include <iostream> #include <bitset> using namespace std; char g[501][501],dir; int n,m,M; bitset<501> row[501][5002]; int main() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(0); cin>>n>>m>>M; for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { cin>>g[i][j]; row[i][0][j]=(g[i][j]=='.'); } } for(int j=0;j<M;j++) { cin>>dir; bool p=0; if(dir=='?') p=1; if(dir=='N' or p) { for(int i=1;i<n;i++) row[i-1][j+1]|=(row[i][j]&row[i-1][0]); } if(dir=='E' or p) { for(int i=0;i<n;i++) row[i][j+1]|=((row[i][j]<<1)&row[i][0]); } if(dir=='S' or p) { for(int i=0;i<(n-1);i++) row[i+1][j+1]|=(row[i+1][0]&row[i][j]); } if(dir=='W' or p) { for(int i=0;i<n;i++) row[i][j+1]|=((row[i][j]>>1)&row[i][0]); } } int ans=0; for(int x=0;x<n;x++) ans+=row[x][M].count(); cout<<ans<<'\n'; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...