oj.uz

Submission #796623

# Submission time Handle Problem Language Result Execution time Memory
796623 2023-07-28T14:54:36 Z TB_ Nautilus (BOI19_nautilus) C++17
100 / 100
 192 ms 852 KB 
#include <bits/stdc++.h>
using namespace std;

// #undef _GLIBCXX_DEBUG                // disable run-time bound checking, etc
// #pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
// #pragma GCC optimize ("unroll-loops")

// #pragma GCC target("bmi,bmi2,lzcnt,popcnt")                      // bit manipulation
// #pragma GCC target("movbe")                                      // byte swap
// #pragma GCC target("aes,pclmul,rdrnd")                           // encryption
// #pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD

// #include <bits/extc++.h>
// using namespace __gnu_pbds;
// template<class T>using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
// template<class T>using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define ll long long
#define INF (ll)1e9+7
#define fo(i, n) for(int i=0;i<((ll)n);i++)
#define deb(x) cout << #x << " = " << x << endl;
#define deb2(x, y) cout << #x << " = " << x << ", " << #y << " = " << y << endl
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define LSOne(S) ((S) & (-S))
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
inline int readint(){ int v = 0; char c; while((c = getchar()) != EOF && c != ' ' && c != '\n'){ v *= 10; v += c - '0'; } return v; }
inline int readintsigned() { int v = 0; int sign = 1; char c = getchar(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } return v * sign; }
inline string readstring() { string s; char c; while ((c = getchar()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } return s; }
template <class result_t=std::chrono::milliseconds,class clock_t=std::chrono::steady_clock,class duration_t = std::chrono::milliseconds>
auto since(std::chrono::time_point<clock_t, duration_t> const& start){return std::chrono::duration_cast<result_t>(clock_t::now() - start);}
typedef pair<int, int> pii;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pl> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<vpii> vvpii;
typedef vector<vpl> vvpl;


int main() {
    // cout << fixed << setprecision(20);
    // auto start = std::chrono::steady_clock::now(); // since(start).count()
    cin.tie(0)->sync_with_stdio(0);

    int n, m, k;
    string val;
    cin >> n >> m >> k;

    bitset<250000> open;
    bitset<250000> westEastMask;
    // open.set();
    westEastMask.set();

    fo(i, n){
        westEastMask[i*m] = 0;
        cin >> val;
        fo(j, m){
            if(val[j] == '.') open[i*m+j] = 1;
        }
    }
    bitset<250000> bs = open;
    bitset<250000> bs2;

    cin >> val;
    fo(i, val.size()){
        bs2.reset();
        if(val[i] == 'N' || val[i] == '?')
            bs2 |= (bs>>m);
        if(val[i] == 'S' || val[i] == '?')
            bs2 |= (bs<<m);
        if(val[i] == 'W' || val[i] == '?')
            bs2 |= ((bs&westEastMask)>>1);
        if(val[i] == 'E' || val[i] == '?')
            bs2 |= (bs<<1)&westEastMask;
        bs2 &= open;

        swap(bs, bs2);
    }
    int ans = 0;
    fo(i, n*m) ans+=bs[i];
    cout << ans << "\n";



    return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 4 ms 596 KB Output is correct
14 Correct 3 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 4 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 4 ms 596 KB Output is correct
21 Correct 4 ms 596 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 4 ms 596 KB Output is correct
14 Correct 3 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 4 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 4 ms 596 KB Output is correct
21 Correct 4 ms 596 KB Output is correct
22 Correct 98 ms 832 KB Output is correct
23 Correct 95 ms 832 KB Output is correct
24 Correct 99 ms 832 KB Output is correct
25 Correct 94 ms 828 KB Output is correct
26 Correct 91 ms 852 KB Output is correct
27 Correct 136 ms 724 KB Output is correct
28 Correct 168 ms 832 KB Output is correct
29 Correct 139 ms 852 KB Output is correct
30 Correct 138 ms 840 KB Output is correct
31 Correct 142 ms 852 KB Output is correct
32 Correct 172 ms 832 KB Output is correct
33 Correct 175 ms 852 KB Output is correct
34 Correct 192 ms 840 KB Output is correct
35 Correct 171 ms 840 KB Output is correct
36 Correct 177 ms 852 KB Output is correct