#include <bits/stdc++.h> using namespace std; map<char, char> OPP; map<char, int> VAL; void init() { OPP['G'] = 'D'; OPP['D'] = 'G'; OPP['L'] = 'P'; OPP['P'] = 'L'; VAL['B'] = 1; VAL['C'] = 2; } const int maxN = 5e5 + 10; int X, Y; int N; char S[maxN]; vector<char> moves; void addchar(char c) { if (moves.back() == c || moves.back() == OPP[c]) moves.pop_back(); // if (moves[moves.size() - 2] == c) // return; moves.push_back(c); } struct Cube { int X, Y; vector<string> B; void get() { scanf("%d%d", &X, &Y); for (int x = 0; x < X; ++x) { char _[512]; scanf("%s", &_); B.emplace_back(_); } } long long hsh() { const int mod1 = 1100000017, mod2 = 1e9 + 7; long long hsh1 = 0, hsh2 = 0; int p1 = 5, p2 = 512; for (int x = 0; x < X; ++x) { hsh1 = (hsh1 * p2) % mod1; hsh2 = (hsh2 * p2) % mod2; for (int c : B[x]) { hsh1 = (hsh1 * p1 + VAL[c]) % mod1; hsh2 = (hsh2 * p1 + VAL[c]) % mod2; } } return hsh1 + mod1 * hsh2; } void up() { for (int y = 0; y < Y; ++y) { int x0 = 0; while (x0 < X && B[x0][y] != '.') x0++; for (int i = x0; i < X; ++i) if (B[i][y] != '.') { swap(B[x0][y], B[i][y]); x0++; } } } void down() { for (int y = 0; y < Y; ++y) { int x0 = X - 1; while (x0 >= 0 && B[x0][y] != '.') x0--; for (int i = x0; i >= 0; --i) if (B[i][y] != '.') { swap(B[x0][y], B[i][y]); x0--; } } } void left() { for (auto &s : B) { int y0 = 0; while (y0 < Y && s[y0] != '.') y0++; for (int i = y0; i < Y; ++i) if (s[i] != '.') { swap(s[y0], s[i]); y0++; } } } void right() { for (auto &s : B) { int y0 = Y - 1; while (y0 >= 0 && s[y0] != '.') y0--; for (int i = y0; i >= 0; --i) if (s[i] != '.') { swap(s[y0], s[i]); y0--; } } } void move(char c) { if (c == 'G') up(); if (c == 'D') down(); if (c == 'L') left(); if (c == 'P') right(); } void print() { for (auto &s : B) puts(s.c_str()); } }; int main() { init(); Cube C; C.get(); scanf("%d", &N); scanf("%s", S); moves.push_back('$'); moves.push_back('$'); for (int i = 0; i < N; ++i) addchar(S[i]); N = moves.size(); // for (int c : moves) // printf("%c", c); // puts(""); map<long long, int> hist; bool skipped = false; for (int i = 2; i < N; ++i) { C.move(moves[i]); // long long hsh = C.hsh(); // if (!skipped && hist.find(hsh) != hist.end()) { // skipped = true; // int diff = i - hist[hsh]; // // printf("%d\n", diff); // while (i + diff < N) // i += diff; // } // hist[hsh] = i; } C.print(); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | #include <bits/stdc++.h> using namespace std; map<char, char> OPP; map<char, int> VAL; void init() { OPP['G'] = 'D'; OPP['D'] = 'G'; OPP['L'] = 'P'; OPP['P'] = 'L'; VAL['B'] = 1; VAL['C'] = 2; } const int maxN = 5e5 + 10; int X, Y; int N; char S[maxN]; vector<char> moves; void addchar(char c) { if (moves.back() == c || moves.back() == OPP[c]) moves.pop_back(); // if (moves[moves.size() - 2] == c) // return; moves.push_back(c); } struct Cube { int X, Y; vector<string> B; void get() { scanf("%d%d", &X, &Y); for (int x = 0; x < X; ++x) { char _[512]; scanf("%s", &_); B.emplace_back(_); } } long long hsh() { const int mod1 = 1100000017, mod2 = 1e9 + 7; long long hsh1 = 0, hsh2 = 0; int p1 = 5, p2 = 512; for (int x = 0; x < X; ++x) { hsh1 = (hsh1 * p2) % mod1; hsh2 = (hsh2 * p2) % mod2; for (int c : B[x]) { hsh1 = (hsh1 * p1 + VAL[c]) % mod1; hsh2 = (hsh2 * p1 + VAL[c]) % mod2; } } return hsh1 + mod1 * hsh2; } void up() { for (int y = 0; y < Y; ++y) { int x0 = 0; while (x0 < X && B[x0][y] != '.') x0++; for (int i = x0; i < X; ++i) if (B[i][y] != '.') { swap(B[x0][y], B[i][y]); x0++; } } } void down() { for (int y = 0; y < Y; ++y) { int x0 = X - 1; while (x0 >= 0 && B[x0][y] != '.') x0--; for (int i = x0; i >= 0; --i) if (B[i][y] != '.') { swap(B[x0][y], B[i][y]); x0--; } } } void left() { for (auto &s : B) { int y0 = 0; while (y0 < Y && s[y0] != '.') y0++; for (int i = y0; i < Y; ++i) if (s[i] != '.') { swap(s[y0], s[i]); y0++; } } } void right() { for (auto &s : B) { int y0 = Y - 1; while (y0 >= 0 && s[y0] != '.') y0--; for (int i = y0; i >= 0; --i) if (s[i] != '.') { swap(s[y0], s[i]); y0--; } } } void move(char c) { if (c == 'G') up(); if (c == 'D') down(); if (c == 'L') left(); if (c == 'P') right(); } void print() { for (auto &s : B) puts(s.c_str()); } }; int main() { init(); Cube C; C.get(); scanf("%d", &N); scanf("%s", S); moves.push_back('$'); moves.push_back('$'); for (int i = 0; i < N; ++i) addchar(S[i]); N = moves.size(); // for (int c : moves) // printf("%c", c); // puts(""); map<long long, int> hist; bool skipped = false; for (int i = 2; i < N; ++i) { C.move(moves[i]); // long long hsh = C.hsh(); // if (!skipped && hist.find(hsh) != hist.end()) { // skipped = true; // int diff = i - hist[hsh]; // // printf("%d\n", diff); // while (i + diff < N) // i += diff; // } // hist[hsh] = i; } C.print(); return 0; } |