oj.uz

Submission #496569

# Submission time Handle Problem Language Result Execution time Memory
496569 2021-12-21T14:46:09 Z kingline Nautilus (BOI19_nautilus) C++17
100 / 100
 175 ms 644 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 ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(data) data.begin() , data.end()
#define endl '\n'
//freopen("nenokku_easy.in", "r", stdin);
//freopen("nenokku_easy.out", "w", stdout);
//#define int long long
#define pii pair < int, int >

using namespace std;

typedef long long ll;
const int N = 2e5;

int r, C, m;
char c[505][505];
string s;

main() {
    /*ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);*/
    //file("pieaters");
    cin >> r >> C >> m;
    bitset < 501 > b[505], bad[505], zer, last[505];
    for(int i = 1; i <= r; i++) {
        for(int j = 1; j <= C; j++) {
            cin >> c[i][j];
            bad[i][j] = (c[i][j] == '.');
            b[i][j] = (c[i][j] == '.');
        }
    }
    cin >> s;
    for(int k = 0; k < s.size(); k++) {
        if(s[k] == 'W') {
            for(int i = 1; i <= r; i++) {
                b[i] >>= 1;
                b[i] &= bad[i];
            }
        }
        if(s[k] == 'E') {
            for(int i = 1; i <= r; i++) {
                b[i] <<= 1;
                b[i] &= bad[i];
            }
        }
        if(s[k] == 'N') {
            for(int i = 1; i < r; i++) {
                b[i] = b[i + 1] & bad[i];
            }
            b[r] = zer;
        }
        if(s[k] == 'S') {
            for(int i = r; i > 1; i--) {
                b[i] = b[i - 1] & bad[i];
            }
            b[1] = zer;
        }
        if(s[k] == '?') {
            for (int i = 1; i <= r; i++) {
                last[i] = b[i];
            }
            for(int i = 1; i <= r; i++) {
                b[i] = ((b[i] << 1) | (b[i] >> 1) | last[i + 1] | last[i - 1]);
                b[i] &= bad[i];
            }
        }
    }
    int ans = 0;
    for(int i = 1; i <= r; i++) {
        ans += b[i].count();
    }
    cout << ans;
}

/*
5 9 7
...##....
..#.##..#
..#....##
.##...#..
....#....
WS?EE??
*/

Compilation message

nautilus.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main() {
      | ^~~~
nautilus.cpp: In function 'int main()':
nautilus.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int k = 0; k < s.size(); k++) {
      |                    ~~^~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 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 332 KB Output is correct
5 Correct 1 ms 332 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 1 ms 332 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 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 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 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 404 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 332 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 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 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 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 404 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 86 ms 628 KB Output is correct
23 Correct 99 ms 628 KB Output is correct
24 Correct 83 ms 628 KB Output is correct
25 Correct 81 ms 624 KB Output is correct
26 Correct 82 ms 644 KB Output is correct
27 Correct 130 ms 632 KB Output is correct
28 Correct 134 ms 628 KB Output is correct
29 Correct 130 ms 624 KB Output is correct
30 Correct 130 ms 628 KB Output is correct
31 Correct 129 ms 636 KB Output is correct
32 Correct 168 ms 628 KB Output is correct
33 Correct 169 ms 628 KB Output is correct
34 Correct 175 ms 612 KB Output is correct
35 Correct 166 ms 588 KB Output is correct
36 Correct 174 ms 644 KB Output is correct