oj.uz

Submission #496344

# Submission time Handle Problem Language Result Execution time Memory
496344 2021-12-21T06:08:51 Z kingline Nautilus (BOI19_nautilus) C++17
66 / 100
 26 ms 1424 KB 
/*#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")*/
#include <bits/stdc++.h>
#define file(data) freopen(data".in", "r", stdin); freopen(data".out", "w", stdout);
#define pb push_back
#define all(data) data.begin(), data.end()
#define endl '\n'
#define ll long long
//#define int long long
#define pii pair < int, int >

using namespace std;

const int N = 2e5 + 5;

int n, m, k;
string s;
char c[105][105];
bool used[105][105][105], can[105][105];

void dfs(int x, int y, int pos) {
    if(min(x, y) == 0 || y > m || x > n) return;
    if(c[x][y] == '#') return;
    if(used[x][y][pos]) return;
    used[x][y][pos] = 1;
    if(pos == k) {
        can[x][y] = 1;
        return;
    }
    if(s[pos] == '?') {
        dfs(x + 1, y, pos + 1);
        dfs(x - 1, y, pos + 1);
        dfs(x, y + 1, pos + 1);
        dfs(x, y - 1, pos + 1);
    }
    if(s[pos] == 'W') {
        dfs(x, y - 1, pos + 1);
    } else if(s[pos] == 'E') {
        dfs(x, y + 1, pos + 1);
    } else if(s[pos] == 'N') {
        dfs(x - 1, y, pos + 1);
    } else if(s[pos] == 'S') {
        dfs(x + 1, y, pos + 1);
    }
}

main() {
    //file("pieaters");
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m >> k;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            cin >> c[i][j];
        }
    }
    cin >> s;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            dfs(i, j, 0);
        }
    }
    int ans = 0;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            if(can[i][j]) {
                ++ans;
            }
        }
    }
    cout << ans;
}

Compilation message

nautilus.cpp:50:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main() {
      | ^~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1356 KB Output is correct
2 Correct 1 ms 1356 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 2 ms 1356 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 332 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1356 KB Output is correct
2 Correct 1 ms 1356 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 2 ms 1356 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 10 ms 1356 KB Output is correct
8 Correct 4 ms 1368 KB Output is correct
9 Correct 2 ms 1356 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 18 ms 1420 KB Output is correct
13 Correct 24 ms 1424 KB Output is correct
14 Correct 18 ms 1360 KB Output is correct
15 Correct 2 ms 1356 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 23 ms 1356 KB Output is correct
18 Correct 26 ms 1400 KB Output is correct
19 Correct 10 ms 1356 KB Output is correct
20 Correct 4 ms 1356 KB Output is correct
21 Correct 1 ms 332 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1356 KB Output is correct
2 Correct 1 ms 1356 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 2 ms 1356 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 10 ms 1356 KB Output is correct
8 Correct 4 ms 1368 KB Output is correct
9 Correct 2 ms 1356 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 18 ms 1420 KB Output is correct
13 Correct 24 ms 1424 KB Output is correct
14 Correct 18 ms 1360 KB Output is correct
15 Correct 2 ms 1356 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 23 ms 1356 KB Output is correct
18 Correct 26 ms 1400 KB Output is correct
19 Correct 10 ms 1356 KB Output is correct
20 Correct 4 ms 1356 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Runtime error 1 ms 460 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -