oj.uz

Submission #515505

# Submission time Handle Problem Language Result Execution time Memory
515505 2022-01-19T08:17:15 Z Fidisk Nautilus (BOI19_nautilus) C++14
100 / 100
 98 ms 1100 KB 
#include <bits/stdc++.h>
using namespace std;

#define oo 1e18
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) (((xxxx)>>(aaaa-1))&1)
#define fi first
#define se second

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<pair<int,int>,pair<int,int>> piiii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;
typedef pair<pair<long long,long long>,pair<long long,long long>> pllll;
typedef pair<pair<long long,long long>,bool> pllb;
typedef pair<long double,long double> pld;
typedef pair<pair<long double,long double>,long double> plld;
typedef pair<long double,long long> pdl;

//const ll base=2e9+4257;
const int mod=1e9+7;
const ll mod2=1e9+4233;
const ld eps=1e-7;
const ld eps2=1e-7;
const int maxn=4e5+8;
const ll maxa=1e14;
const ld pi=acos(-1);
const ll dx[4]={1,-1,0,0};
const ll dy[4]={0,0,1,-1};

bitset<509> west[509],north[509],east[509],south[509],ans[509],basebitset[509],emptybitset;
int n,res,m,k,i,j;
char a[509][509];
string s;

void updatewest() {
    for (int ii=1;ii<=n;ii++) {
        west[ii]=(ans[ii]>>1);
    }
}

void updateeast() {
    for (int ii=1;ii<=n;ii++) {
        east[ii]=(ans[ii]<<1);
    }
}

void updatenorth() {
    for (int ii=1;ii<n;ii++) {
        north[ii]=ans[ii+1];
    }
    north[n]|=emptybitset;
}

void updatesouth() {
    for (int ii=1;ii<n;ii++) {
        south[ii+1]=ans[ii];
    }
    south[1]|=emptybitset;
}

int main(){
    IO;
    cin>>n>>m>>k;
    for (i=1;i<=n;i++) {
        for (j=1;j<=m;j++) {
            cin>>a[i][j];
            if (a[i][j]=='#') {
            }
            else {
                basebitset[i][j]=true;
            }
        }
    }
    cin>>s;
    s=" "+s;
    for (i=1;i<=n;i++) {
        for (j=1;j<=m;j++) {
            ans[i][j]=true;
        }
    }
    for (i=1;i<=n;i++) {
        ans[i]&=basebitset[i];
    }
    //return 0;
    for (j=1;j<=k;j++) {
        if (s[j]=='W') {
            updatewest();
            for (i=1;i<=n;i++) {
                ans[i]=west[i];
            }
        }
        else if (s[j]=='E') {
            updateeast();
            for (i=1;i<=n;i++) {
                ans[i]=east[i];
            }
        }
        else if (s[j]=='S') {
            updatesouth();
            for (i=1;i<=n;i++) {
                ans[i]=south[i];
            }
        }
        else if (s[j]=='N') {
            updatenorth();
            for (i=1;i<=n;i++) {
                ans[i]=north[i];
            }
        }
        else if (s[j]=='?') {
            updatewest();
            updateeast();
            updatenorth();
            updatesouth();
            for (i=1;i<=n;i++) {
                ans[i]=west[i];
            }
            for (i=1;i<=n;i++) {
                ans[i]|=east[i];
            }
            for (i=1;i<=n;i++) {
                ans[i]|=south[i];
            }
            for (i=1;i<=n;i++) {
                ans[i]|=north[i];
            }
        }
        for (i=1;i<=n;i++) {
            ans[i]&=basebitset[i];
        }
        /*
        for (int ii=1;ii<=n;ii++) {
            for (int ij=1;ij<=m;ij++) {
                if (ans[ii][ij]) {
                    cout<<'.';
                }
                else {
                    cout<<'#';
                }
            }
            cout<<'\n';
        }
        cout<<'\n';
        */
    }
    for (i=1;i<=n;i++) {
        res+=ans[i].count();
    }
    cout<<res<<'\n';
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 328 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 64 ms 1100 KB Output is correct
23 Correct 54 ms 1008 KB Output is correct
24 Correct 50 ms 1012 KB Output is correct
25 Correct 60 ms 1012 KB Output is correct
26 Correct 48 ms 988 KB Output is correct
27 Correct 77 ms 924 KB Output is correct
28 Correct 80 ms 972 KB Output is correct
29 Correct 87 ms 1004 KB Output is correct
30 Correct 87 ms 1068 KB Output is correct
31 Correct 74 ms 988 KB Output is correct
32 Correct 94 ms 972 KB Output is correct
33 Correct 94 ms 964 KB Output is correct
34 Correct 93 ms 972 KB Output is correct
35 Correct 97 ms 1008 KB Output is correct
36 Correct 98 ms 972 KB Output is correct