oj.uz

Submission #335304

# Submission time Handle Problem Language Result Execution time Memory
335304 2020-12-11T22:07:46 Z Vladth11 Nautilus (BOI19_nautilus) C++14
100 / 100
 238 ms 876 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debug_with_space(x) cerr << #x << " " << x << " "

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <ll, pii> piii;
typedef tree <pii, null_type, less <pii>, rb_tree_tag, tree_order_statistics_node_update> OST;

const ll NMAX = 100001;
const ll INF = (1LL << 60);
const ll MOD = 1000000007;
const ll BLOCK = 101;
const ll nr_of_bits = 35;

bitset <505 * 505> init, b, nou, cop;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, m, t;
    cin >> n >> m >> t;
    int cc = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            char c;
            cin >> c;
            if(c != '#'){
                cc++;
                init[i * (m + 2) + j + 1].flip();
            }
        }
    }
    string s;
    cin >> s;
    b = init;
    m+=2;
    n+=2;
    for(int i = 0; i < s.size(); i++){
        if(s[i] != '?'){
            if(s[i] == 'E'){
                b <<= 1;
            }else if(s[i] == 'W'){
                b >>= 1;
            }else if(s[i] == 'N'){
                b >>= m;
            }else{
                b <<= m;
            }
            b &= init;
        }else{
            cop = b;
            nou = b;
            nou <<= 1;
            nou &= init;
            b = nou;
            nou = cop;
            nou >>= 1;
            nou &= init;
            b |= nou;
            nou = cop;
            nou >>= m;
            nou &= init;
            b |= nou;
            nou = cop;
            nou <<= m;
            nou &= init;
            b |= nou;
            b &= init;
        }
    }
    cout << b.count();
    return 0;
}

Compilation message

nautilus.cpp: In function 'int main()':
nautilus.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(int i = 0; i < s.size(); i++){
      |                    ~~^~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 4 ms 492 KB Output is correct
13 Correct 4 ms 492 KB Output is correct
14 Correct 4 ms 492 KB Output is correct
15 Correct 4 ms 620 KB Output is correct
16 Correct 4 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 5 ms 492 KB Output is correct
19 Correct 5 ms 492 KB Output is correct
20 Correct 5 ms 492 KB Output is correct
21 Correct 5 ms 492 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 4 ms 492 KB Output is correct
13 Correct 4 ms 492 KB Output is correct
14 Correct 4 ms 492 KB Output is correct
15 Correct 4 ms 620 KB Output is correct
16 Correct 4 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 5 ms 492 KB Output is correct
19 Correct 5 ms 492 KB Output is correct
20 Correct 5 ms 492 KB Output is correct
21 Correct 5 ms 492 KB Output is correct
22 Correct 96 ms 528 KB Output is correct
23 Correct 99 ms 780 KB Output is correct
24 Correct 97 ms 748 KB Output is correct
25 Correct 106 ms 780 KB Output is correct
26 Correct 92 ms 748 KB Output is correct
27 Correct 171 ms 748 KB Output is correct
28 Correct 177 ms 876 KB Output is correct
29 Correct 177 ms 876 KB Output is correct
30 Correct 177 ms 748 KB Output is correct
31 Correct 177 ms 748 KB Output is correct
32 Correct 234 ms 748 KB Output is correct
33 Correct 235 ms 876 KB Output is correct
34 Correct 238 ms 876 KB Output is correct
35 Correct 233 ms 748 KB Output is correct
36 Correct 236 ms 748 KB Output is correct