aboutsummaryrefslogtreecommitdiff
path: root/Semestr 4/aisd/pracownia3/rozw.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Semestr 4/aisd/pracownia3/rozw.cpp')
-rw-r--r--Semestr 4/aisd/pracownia3/rozw.cpp102
1 files changed, 0 insertions, 102 deletions
diff --git a/Semestr 4/aisd/pracownia3/rozw.cpp b/Semestr 4/aisd/pracownia3/rozw.cpp
deleted file mode 100644
index 7f1a307..0000000
--- a/Semestr 4/aisd/pracownia3/rozw.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#include <bits/stdc++.h>
-using namespace std;
-
-const int MAXP = 105;
-const int MAXN = 5005;
-
-int n, p, m;
-unordered_set<int> banned;
-vector<pair<int, int>> propagate;
-int dp[2][1024 + 10];
-
-inline int char_to_bit(char c) {
- return c == '.' ? 0 : 1;
-}
-
-void input() {
- scanf("%d%d%d", &n, &p, &m);
- for (int i = 0; i < p; i++) {
- char s[5];
- int value = 0, d = 1;
- for (int k = 0; k < 3; k++) {
- scanf("%s", s);
- value += (char_to_bit(s[0]) + char_to_bit(s[1]) * 2 + char_to_bit(s[2]) * 4) * d;
- d *= 8;
- }
- banned.insert(value);
- }
-}
-
-pair<int, pair<int, int>> get_pieces_values(int db, int sb) {
- int tab[5][3];
- for (int i = 0; i < 5; i++) {
- tab[i][0] = (db >> (i*2)) & 1;
- tab[i][1] = (db >> (i*2 + 1)) & 1;
- tab[i][2] = (sb >> i) & 1;
- }
- int res[3];
- for (int k = 0; k < 3; ++k) {
- int value = 0, d = 1;
- for (int i = k; i < k + 3; ++i) {
- value += (tab[i][0] + tab[i][1] * 2 + tab[i][2] * 4) * d;
- d *= 8;
- }
- res[k] = value;
- }
- return {res[0], {res[1], res[2]}};
-}
-
-int combine(int db, int sb) {
- int res = (db >> 1) & 0x155;
- for (int i = 0; i < 5; i++) {
- res |= ((sb >> i) & 1) << (2*i + 1);
- }
- return res;
-}
-
-void preproces() {
- const int db = (1<<10); // double bar
- const int sb = (1<<5); // single bar
-
- for (int db_mask = 0; db_mask < db; ++db_mask) {
- for (int sb_mask = 0; sb_mask < sb; ++sb_mask) {
- auto pieces = get_pieces_values(db_mask, sb_mask);
- if (banned.count(pieces.first) || banned.count(pieces.second.first) || banned.count(pieces.second.second))
- continue;
- int db2_mask = combine(db_mask, sb_mask);
- propagate.push_back({db_mask, db2_mask});
- }
- }
-}
-
-int compute_dp() {
- int K = 1;
- for (int i = 0; i < 1024; i++) {
- dp[0][i] = 1;
- }
- for (int i = 2; i < n; i++) {
- for (auto pp: propagate) {
- int p1 = pp.first, p2 = pp.second;
- dp[K][p2] += dp[K^1][p1];
- dp[K][p2] %= m;
- }
- K ^= 1;
- for (int j = 0; j < 1024; ++j) {
- dp[K][j] = 0;
- }
- }
-
- K ^= 1;
- int result = 0;
- for (int i = 0; i < 1024; i++) {
- result += dp[K][i];
- result %= m;
- }
- return result;
-}
-
-int main() {
- input();
- preproces();
- printf("%d\n", compute_dp());
-} \ No newline at end of file