oj.uz

Submission #925626

# Submission time Handle Problem Language Result Execution time Memory
925626 2024-02-12T06:27:30 Z Pragmatism Nautilus (BOI19_nautilus) C++17
66 / 100
 20 ms 9404 KB 
//Bismillahir-Rahmanir-Rahim

#include <bits/stdc++.h>
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
//#pragma GCC target("sse,sse2,sse3,sse4,sse4.1,sse4.2,popcnt,avx,avx2")

#define pb push_back
#define pii pair <int, int>
#define pll pair <long long, long long>
#define pld pair <long double, long double>
#define ll long long
#define ld long double
#define x first
#define y second
#define all(v) v.begin(),v.end()
#define sz(s) (int)s.size()
#define skip continue
#define bpop(x) (ll)__builtin_popcountll(x)

using namespace std;

const int N = 1e2 + 7;
const int M = 1e3 + 7;
const int maxA = 2e6 + 7;
const int inf = 1e9 + 7;
const ll INF = 2e18 + 7;
const int MOD = 1e9 + 7;
const ld eps = 1e-9;

pii dir[] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}};

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

#define int long long

bool a[N][N];
int n, m, k, dp[N][N][N];
bool border(int i, int j) {
    return i >= 1 && i <= n && j >= 1 && j <= m;
}
int id[255];
char s[N];
void solve() {
    cin >> n >> m >> k;
    for (int i = 1;i <= n;i++) {
        for (int j = 1;j <= m;j++) {
            char c;
            cin >> c;
            a[i][j] = (c == '.' ? 1 : 0);
        }
    }
    for (int i = 1;i <= k;i++)cin >> s[i];
    id['W'] = 0, id['N'] = 1, id['E'] = 2, id['S'] = 3;
    int ans = 0;
    for (int step = 0;step <= k;step++) {
        //cout << step << ":\n";
        for (int i = 1;i <= n;i++) {
            for (int j = 1;j <= m;j++) {
                if (!a[i][j]) {
                    //cout << 0 << ' ';
                    skip;
                }
                if (step == 0) {
                    dp[i][j][0] = 1;
                    //cout << 1 << ' ';
                    skip;
                }
                if (s[step] == '?') {
                    for (auto p : dir) {
                        int x = i + p.x, y = j + p.y;
                        if (border(x, y) && a[x][y])dp[i][j][step] |= dp[x][y][step - 1];
                    }
                }
                else {
                    int x = i + dir[id[s[step]]].x, y = j + dir[id[s[step]]].y;
                    if (border(x, y) && a[x][y])dp[i][j][step] |= dp[x][y][step - 1];
                }
                if (step == k)ans += dp[i][j][step];
                //cout << dp[i][j][step] << ' ';
            }
            //cout << '\n';
        }
    }
    cout << ans;
}
signed main() {
    //srand(time(NULL));
    ios_base::sync_with_stdio(0);
    cout.tie(0);
    //freopen("tests.in", "r", stdin);
    //freopen("milkorder.out", "w", stdout);
    int test = 1;
    //cin >> test;
    for (int t = 1;t <= test;t++) {
        //cout << "Case " << t << ": ";
        solve();
    }
    return 0;
}

Compilation message

nautilus.cpp: In function 'void solve()':
nautilus.cpp:76:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   76 |                     int x = i + dir[id[s[step]]].x, y = j + dir[id[s[step]]].y;
      |                                        ~~~~~~^
nautilus.cpp:76:74: warning: array subscript has type 'char' [-Wchar-subscripts]
   76 |                     int x = i + dir[id[s[step]]].x, y = j + dir[id[s[step]]].y;
      |                                                                    ~~~~~~^

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9308 KB Output is correct
2 Correct 7 ms 9308 KB Output is correct
3 Correct 10 ms 9304 KB Output is correct
4 Correct 8 ms 9356 KB Output is correct
5 Correct 5 ms 9184 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9308 KB Output is correct
2 Correct 7 ms 9308 KB Output is correct
3 Correct 10 ms 9304 KB Output is correct
4 Correct 8 ms 9356 KB Output is correct
5 Correct 5 ms 9184 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 9 ms 9308 KB Output is correct
8 Correct 12 ms 9392 KB Output is correct
9 Correct 10 ms 9308 KB Output is correct
10 Correct 5 ms 9052 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 14 ms 9308 KB Output is correct
13 Correct 14 ms 9308 KB Output is correct
14 Correct 15 ms 9308 KB Output is correct
15 Correct 7 ms 9304 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 20 ms 9308 KB Output is correct
18 Correct 19 ms 9404 KB Output is correct
19 Correct 15 ms 9336 KB Output is correct
20 Correct 6 ms 9052 KB Output is correct
21 Correct 1 ms 4696 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9308 KB Output is correct
2 Correct 7 ms 9308 KB Output is correct
3 Correct 10 ms 9304 KB Output is correct
4 Correct 8 ms 9356 KB Output is correct
5 Correct 5 ms 9184 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 9 ms 9308 KB Output is correct
8 Correct 12 ms 9392 KB Output is correct
9 Correct 10 ms 9308 KB Output is correct
10 Correct 5 ms 9052 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 14 ms 9308 KB Output is correct
13 Correct 14 ms 9308 KB Output is correct
14 Correct 15 ms 9308 KB Output is correct
15 Correct 7 ms 9304 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 20 ms 9308 KB Output is correct
18 Correct 19 ms 9404 KB Output is correct
19 Correct 15 ms 9336 KB Output is correct
20 Correct 6 ms 9052 KB Output is correct
21 Correct 1 ms 4696 KB Output is correct
22 Runtime error 2 ms 600 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -