Submission #393453

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
393453	2021-04-23 13:41:22	inventiontime	Nautilus (BOI19_nautilus)	C++17	100 / 100	216 ms	708 KiB

nautilus

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;
int R, C, M;
bitset<502> W[502] = {};
bitset<502> pos[2][502] = {};
queue<ii> pts;
string I;
int main() {
    cin >> R >> C >> M;
    char c;
    for(int i = 1; i <= R; i++) for(int j = 1; j <= C; j++) {
        cin >> c;
        W[i][j] = c == '.';
        pos[1][i][j] = W[i][j];
    }
    cin >> I;
    for(int k = 0; k < M; k++)
        for(int i = 1; i <= R; i++) {
            switch(I[k]) {
                case 'N':
                pos[k % 2][i] = pos[(k % 2) ^ 1][i+1] & W[i];
                break;
                case 'S':
 
 
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• Subtask 1: 29 / 29
• Subtask 2: 37 / 37
• Subtask 3: 34 / 34