#include <bits/stdc++.h>
using namespace std;
#define fwd(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) fwd(i, 0, n)
#define all(X) X.begin(), X.end()
#define sz(X) int(size(X))
#define pb push_back
#define eb emplace_back
#define st first
#define nd second
using pii = pair<int, int>;
using vi = vector<int>;
using ll = long long;
using ld = long double;
#ifdef LOC
auto SS = signal(6, [](int) {
*(int *)0 = 0;
});
# define DTP(x, y) \
auto operator<<(auto &o, auto a)->decltype(y, o) { \
o << "("; \
x; \
return o << ")"; \
}
DTP(o << a.st << ", " << a.nd, a.nd);
DTP(for (auto i : a) o << i << ", ", all(a));
void dump(auto... x) {
((cerr << x << ", "), ...) << '\n';
}
# define deb(x...) cerr << setw(4) << __LINE__ << ":[" #x "]: ", dump(x)
#else
# define deb(...) 0
#endif
const int COLS = 10;
const int ROWS = 10;
const int ANCHOR_COLS = 3;
const int PAYLOAD_COLS = COLS - ANCHOR_COLS;
array<int, 3> ILLEGAL_POPCOUNTS = {4, 5, 6};
const int BITS = 4;
bool is_legal(int val) {
for (auto illegal_popcount : ILLEGAL_POPCOUNTS) {
if (__builtin_popcount(val) == illegal_popcount) {
return false;
}
}
return true;
}
int has_bit(int val, int bit) {
return (val & (1 << bit)) > 0;
}
const int MAX_VAL = (1 << ROWS) - 1;
struct Edge {
int prev_state;
int prev_val;
};
const int MASKS = (1 << BITS);
vi legal_vals;
vector<Edge> edges[MASKS][MAX_VAL + 1];
ll paths[PAYLOAD_COLS][MASKS][MAX_VAL + 1];
ll total_paths = 0;
vector<Edge> final_edges;
void compute_legal_vals() {
rep(i, MAX_VAL + 1) {
if (is_legal(i)) {
legal_vals.push_back(i);
}
}
}
void compute_first_edges() {
for (auto val : legal_vals) {
int msk = (val % MASKS);
paths[0][msk][val] = 1;
}
}
void compute_middle_edges() {
for (auto val : legal_vals) {
for (auto prev_val : legal_vals) {
if (prev_val > val) {
break;
}
int msk_xor = (val & (MASKS - 1));
rep(prev_msk, MASKS) {
int cur_msk = (msk_xor ^ prev_msk);
edges[cur_msk][val].push_back({prev_msk, prev_val});
}
}
}
}
void compute_final_edges() {
for (auto val : legal_vals) {
final_edges.push_back({5, val});
}
}
void compute_paths() {
fwd(col, 1, PAYLOAD_COLS) {
for (auto val : legal_vals) {
rep(cur_msk, MASKS) {
for (auto [prev_msk, prev_val] : edges[cur_msk][val]) {
paths[col][cur_msk][val] +=
paths[col - 1][prev_msk][prev_val];
}
}
}
}
for (auto [prev_msk, prev_val] : final_edges) {
total_paths += paths[PAYLOAD_COLS - 1][prev_msk][prev_val];
}
}
void preprocess_paths() {
compute_legal_vals();
compute_first_edges();
compute_middle_edges();
compute_final_edges();
compute_paths();
// cerr << "total paths: " << total_paths << '\n';
}
typedef array<int, PAYLOAD_COLS> Payload;
typedef array<int, ANCHOR_COLS> Anchor;
typedef array<int, COLS> Matrix;
vector<vi> anchor_rows = {
{0, 0, 1},
{0, 0, 1},
{0, 1, 1},
{0, 1, 1},
{0, 0, 0},
{1, 0, 0},
{0, 1, 0},
{1, 1, 0},
{1, 0, 1},
{1, 1, 1}};
Anchor get_anchor() {
Anchor anchor{};
rep(i, ROWS) {
const auto row = anchor_rows[i];
for (int j = 0; j < ANCHOR_COLS; ++j) {
anchor[j] |= (row[j] << i);
}
}
return anchor;
}
ll paths2[2][PAYLOAD_COLS][MASKS][MAX_VAL + 1];
// normalized payload
ll payload_rank(const Payload &payload) {
rep(i, 2) rep(j, PAYLOAD_COLS) rep(k, MASKS) rep(l, MAX_VAL + 1)
paths2[i][j][k][l] = 0;
for (auto val : legal_vals) {
if (val == payload[0]) {
paths2[1][0][val % MASKS][val] = 1;
} else if (val < payload[0]) {
paths2[0][0][val % MASKS][val] = 1;
}
}
fwd(col, 1, PAYLOAD_COLS) {
for (auto val : legal_vals) {
rep(cur_msk, MASKS) {
for (auto [prev_msk, prev_val] : edges[cur_msk][val]) {
if (val < payload[col]) {
paths2[0][col][cur_msk][val] +=
paths2[0][col - 1][prev_msk][prev_val] +
paths2[1][col - 1][prev_msk][prev_val];
} else if (val == payload[col]) {
paths2[0][col][cur_msk][val] +=
paths2[0][col - 1][prev_msk][prev_val];
paths2[1][col][cur_msk][val] +=
paths2[1][col - 1][prev_msk][prev_val];
} else {
paths2[0][col][cur_msk][val] +=
paths2[0][col - 1][prev_msk][prev_val];
}
}
}
}
}
ll rank = 0;
for (auto [prev_msk, prev_val] : final_edges) {
rank += paths2[0][PAYLOAD_COLS - 1][5][prev_val];
}
return rank;
}
Payload payload_unrank(ll rank) {
vector<Edge> cur_edges = final_edges;
int cur_msk = 5;
Payload payload{};
fill(all(payload), 0);
int cur_val = 0;
for (int col = PAYLOAD_COLS - 1; col >= 0; --col) {
int xr = cur_val % MASKS;
for (auto [edge_prev_msk, edge_prev_val] : cur_edges) {
// if ((cur_msk ^ xr) != edge_prev_msk) {
// continue;
// }
ll paths_count = paths[col][edge_prev_msk][edge_prev_val];
if (paths_count < rank) {
rank -= paths_count;
} else {
payload[col] = edge_prev_val;
cur_edges = edges[edge_prev_msk][edge_prev_val];
cur_msk = edge_prev_msk;
cur_val = edge_prev_val;
break;
}
}
}
return payload;
}
void debug_human_readable_matrix(Matrix matrix) {
for (int i = 0; i < ROWS; ++i) {
string row_string;
for (int j = 0; j < COLS; ++j) {
row_string += (matrix[j] & (1 << i)) ? '1' : '0';
}
cerr << row_string << '\n';
}
}
void debug_human_readable_anchor(Anchor anchor) {
for (int i = 0; i < ROWS; ++i) {
string row_string;
for (int j = 0; j < ANCHOR_COLS; ++j) {
row_string += (anchor[j] & (1 << i)) ? '1' : '0';
}
cerr << row_string << '\n';
}
}
void debug_human_readable_payload(Payload payload) {
for (int i = 0; i < ROWS; ++i) {
string row_string;
for (int j = 0; j < PAYLOAD_COLS; ++j) {
row_string += (payload[j] & (1 << i)) ? '1' : '0';
}
cerr << row_string << '\n';
}
}
Payload extract_payload(Matrix matrix) {
sort(all(matrix), [](int col_a, int col_b) {
return is_legal(col_a) < is_legal(col_b);
});
Anchor perturbed_anchor{};
rep(i, ANCHOR_COLS) {
perturbed_anchor[i] = matrix[i];
}
sort(all(perturbed_anchor), [](int col_a, int col_b) {
return __builtin_popcount(col_a) < __builtin_popcount(col_b);
});
assert(__builtin_popcount(perturbed_anchor[0]) == 4);
assert(__builtin_popcount(perturbed_anchor[1]) == 5);
assert(__builtin_popcount(perturbed_anchor[2]) == 6);
vector<pii> row_splits(ROWS);
rep(i, ROWS) {
row_splits[i] = {0, 0};
rep(j, ANCHOR_COLS) {
row_splits[i].first |= ((perturbed_anchor[j] >> i) & 1) << j;
}
fwd(j, ANCHOR_COLS, COLS) {
row_splits[i].second |= ((matrix[j] >> i) & 1) << (j - ANCHOR_COLS);
}
}
sort(all(row_splits), [](pii a, pii b) {
auto [a_anchor, a_payload] = a;
auto [b_anchor, b_payload] = b;
bool is_four_a = a_anchor == 4;
bool is_four_b = b_anchor == 4;
bool is_six_a = a_anchor == 6;
bool is_six_b = b_anchor == 6;
bool is_special_a = is_four_a || is_six_a;
bool is_special_b = is_four_b || is_six_b;
if (is_special_a != is_special_b) {
return is_special_a > is_special_b;
}
if (!is_special_a) {
return a_anchor < b_anchor;
}
if (is_four_a != is_four_b) {
return is_four_a > is_four_b;
}
return (__builtin_popcount(a_payload) & 1) >
(__builtin_popcount(b_payload) & 1);
});
auto debug_rows_human_readable = [&](vector<pii> rowers) {
for (auto [anchor_part, payload_part] : rowers) {
string anchor_str, payload_str;
rep(j, ANCHOR_COLS) {
anchor_str += ((anchor_part >> j) & 1) ? '1' : '0';
}
rep(j, PAYLOAD_COLS) {
payload_str += ((payload_part >> j) & 1) ? '1' : '0';
}
cerr << anchor_str << " | " << payload_str << '\n';
}
};
auto payload_from_rows = [&](const vector<pii> &rows) {
Payload payload{};
rep(i, PAYLOAD_COLS) {
payload[i] = 0;
rep(j, ROWS) {
payload[i] |= ((rows[j].second >> i) & 1) << j;
}
}
sort(all(payload));
debug_human_readable_payload(payload);
return payload;
};
return payload_from_rows(row_splits);
}
Matrix combine_anchor_and_payload(Anchor anchor, Payload payload) {
Matrix matrix{};
rep(i, ANCHOR_COLS) {
matrix[i] = anchor[i];
}
rep(i, PAYLOAD_COLS) {
matrix[ANCHOR_COLS + i] = payload[i];
}
return matrix;
}
void print_matrix(const Matrix &matrix) {
rep(i, ROWS) {
string row_string;
rep(j, COLS) {
row_string += (matrix[j] & (1 << i)) ? '1' : '0';
}
cout << row_string << '\n';
}
cout.flush();
}
void encode() {
ll k;
cin >> k;
Payload payload = payload_unrank(k);
Anchor anchor = get_anchor();
// debug_human_readable_anchor(anchor);
Matrix matrix = combine_anchor_and_payload(anchor, payload);
print_matrix(matrix);
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
Matrix read_matrix() {
Matrix matrix{};
vector<string> matrix_strings(ROWS);
auto transpose_matrix_strings = [&]() {
vector<string> transposed(COLS, string(ROWS, '0'));
rep(i, ROWS) {
rep(j, COLS) {
transposed[j][i] = matrix_strings[i][j];
}
}
return transposed;
};
rep(i, ROWS) {
cin >> matrix_strings[i];
}
shuffle(all(matrix_strings), rng);
matrix_strings = transpose_matrix_strings();
shuffle(all(matrix_strings), rng);
matrix_strings = transpose_matrix_strings();
rep(i, ROWS) {
string row_string = matrix_strings[i];
rep(j, COLS) {
if (row_string[j] == '1') {
matrix[j] |= (1 << i);
}
}
}
return matrix;
}
void decode() {
Matrix matrix = read_matrix();
Payload payload = extract_payload(matrix);
ll k = payload_rank(payload);
cout << k << '\n';
cout.flush();
}
int32_t main() {
preprocess_paths();
string whoami;
cin >> whoami;
bool encoder = (whoami == "Algosia");
ll bound;
cin >> bound;
assert(bound <= total_paths);
int tests;
cin >> tests;
rep(_, tests) {
if (encoder) {
encode();
} else {
decode();
}
}
#ifdef LOCF
cout.flush();
cerr << "- - - - - - - - -\n";
(void)!system(
"grep VmPeak /proc/$PPID/status | sed s/....kB/\' MB\'/1 >&2"); // 4x.kB
// ....kB
#endif
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 | #include <bits/stdc++.h> using namespace std; #define fwd(i, a, n) for (int i = (a); i < (n); i++) #define rep(i, n) fwd(i, 0, n) #define all(X) X.begin(), X.end() #define sz(X) int(size(X)) #define pb push_back #define eb emplace_back #define st first #define nd second using pii = pair<int, int>; using vi = vector<int>; using ll = long long; using ld = long double; #ifdef LOC auto SS = signal(6, [](int) { *(int *)0 = 0; }); # define DTP(x, y) \ auto operator<<(auto &o, auto a)->decltype(y, o) { \ o << "("; \ x; \ return o << ")"; \ } DTP(o << a.st << ", " << a.nd, a.nd); DTP(for (auto i : a) o << i << ", ", all(a)); void dump(auto... x) { ((cerr << x << ", "), ...) << '\n'; } # define deb(x...) cerr << setw(4) << __LINE__ << ":[" #x "]: ", dump(x) #else # define deb(...) 0 #endif const int COLS = 10; const int ROWS = 10; const int ANCHOR_COLS = 3; const int PAYLOAD_COLS = COLS - ANCHOR_COLS; array<int, 3> ILLEGAL_POPCOUNTS = {4, 5, 6}; const int BITS = 4; bool is_legal(int val) { for (auto illegal_popcount : ILLEGAL_POPCOUNTS) { if (__builtin_popcount(val) == illegal_popcount) { return false; } } return true; } int has_bit(int val, int bit) { return (val & (1 << bit)) > 0; } const int MAX_VAL = (1 << ROWS) - 1; struct Edge { int prev_state; int prev_val; }; const int MASKS = (1 << BITS); vi legal_vals; vector<Edge> edges[MASKS][MAX_VAL + 1]; ll paths[PAYLOAD_COLS][MASKS][MAX_VAL + 1]; ll total_paths = 0; vector<Edge> final_edges; void compute_legal_vals() { rep(i, MAX_VAL + 1) { if (is_legal(i)) { legal_vals.push_back(i); } } } void compute_first_edges() { for (auto val : legal_vals) { int msk = (val % MASKS); paths[0][msk][val] = 1; } } void compute_middle_edges() { for (auto val : legal_vals) { for (auto prev_val : legal_vals) { if (prev_val > val) { break; } int msk_xor = (val & (MASKS - 1)); rep(prev_msk, MASKS) { int cur_msk = (msk_xor ^ prev_msk); edges[cur_msk][val].push_back({prev_msk, prev_val}); } } } } void compute_final_edges() { for (auto val : legal_vals) { final_edges.push_back({5, val}); } } void compute_paths() { fwd(col, 1, PAYLOAD_COLS) { for (auto val : legal_vals) { rep(cur_msk, MASKS) { for (auto [prev_msk, prev_val] : edges[cur_msk][val]) { paths[col][cur_msk][val] += paths[col - 1][prev_msk][prev_val]; } } } } for (auto [prev_msk, prev_val] : final_edges) { total_paths += paths[PAYLOAD_COLS - 1][prev_msk][prev_val]; } } void preprocess_paths() { compute_legal_vals(); compute_first_edges(); compute_middle_edges(); compute_final_edges(); compute_paths(); // cerr << "total paths: " << total_paths << '\n'; } typedef array<int, PAYLOAD_COLS> Payload; typedef array<int, ANCHOR_COLS> Anchor; typedef array<int, COLS> Matrix; vector<vi> anchor_rows = { {0, 0, 1}, {0, 0, 1}, {0, 1, 1}, {0, 1, 1}, {0, 0, 0}, {1, 0, 0}, {0, 1, 0}, {1, 1, 0}, {1, 0, 1}, {1, 1, 1}}; Anchor get_anchor() { Anchor anchor{}; rep(i, ROWS) { const auto row = anchor_rows[i]; for (int j = 0; j < ANCHOR_COLS; ++j) { anchor[j] |= (row[j] << i); } } return anchor; } ll paths2[2][PAYLOAD_COLS][MASKS][MAX_VAL + 1]; // normalized payload ll payload_rank(const Payload &payload) { rep(i, 2) rep(j, PAYLOAD_COLS) rep(k, MASKS) rep(l, MAX_VAL + 1) paths2[i][j][k][l] = 0; for (auto val : legal_vals) { if (val == payload[0]) { paths2[1][0][val % MASKS][val] = 1; } else if (val < payload[0]) { paths2[0][0][val % MASKS][val] = 1; } } fwd(col, 1, PAYLOAD_COLS) { for (auto val : legal_vals) { rep(cur_msk, MASKS) { for (auto [prev_msk, prev_val] : edges[cur_msk][val]) { if (val < payload[col]) { paths2[0][col][cur_msk][val] += paths2[0][col - 1][prev_msk][prev_val] + paths2[1][col - 1][prev_msk][prev_val]; } else if (val == payload[col]) { paths2[0][col][cur_msk][val] += paths2[0][col - 1][prev_msk][prev_val]; paths2[1][col][cur_msk][val] += paths2[1][col - 1][prev_msk][prev_val]; } else { paths2[0][col][cur_msk][val] += paths2[0][col - 1][prev_msk][prev_val]; } } } } } ll rank = 0; for (auto [prev_msk, prev_val] : final_edges) { rank += paths2[0][PAYLOAD_COLS - 1][5][prev_val]; } return rank; } Payload payload_unrank(ll rank) { vector<Edge> cur_edges = final_edges; int cur_msk = 5; Payload payload{}; fill(all(payload), 0); int cur_val = 0; for (int col = PAYLOAD_COLS - 1; col >= 0; --col) { int xr = cur_val % MASKS; for (auto [edge_prev_msk, edge_prev_val] : cur_edges) { // if ((cur_msk ^ xr) != edge_prev_msk) { // continue; // } ll paths_count = paths[col][edge_prev_msk][edge_prev_val]; if (paths_count < rank) { rank -= paths_count; } else { payload[col] = edge_prev_val; cur_edges = edges[edge_prev_msk][edge_prev_val]; cur_msk = edge_prev_msk; cur_val = edge_prev_val; break; } } } return payload; } void debug_human_readable_matrix(Matrix matrix) { for (int i = 0; i < ROWS; ++i) { string row_string; for (int j = 0; j < COLS; ++j) { row_string += (matrix[j] & (1 << i)) ? '1' : '0'; } cerr << row_string << '\n'; } } void debug_human_readable_anchor(Anchor anchor) { for (int i = 0; i < ROWS; ++i) { string row_string; for (int j = 0; j < ANCHOR_COLS; ++j) { row_string += (anchor[j] & (1 << i)) ? '1' : '0'; } cerr << row_string << '\n'; } } void debug_human_readable_payload(Payload payload) { for (int i = 0; i < ROWS; ++i) { string row_string; for (int j = 0; j < PAYLOAD_COLS; ++j) { row_string += (payload[j] & (1 << i)) ? '1' : '0'; } cerr << row_string << '\n'; } } Payload extract_payload(Matrix matrix) { sort(all(matrix), [](int col_a, int col_b) { return is_legal(col_a) < is_legal(col_b); }); Anchor perturbed_anchor{}; rep(i, ANCHOR_COLS) { perturbed_anchor[i] = matrix[i]; } sort(all(perturbed_anchor), [](int col_a, int col_b) { return __builtin_popcount(col_a) < __builtin_popcount(col_b); }); assert(__builtin_popcount(perturbed_anchor[0]) == 4); assert(__builtin_popcount(perturbed_anchor[1]) == 5); assert(__builtin_popcount(perturbed_anchor[2]) == 6); vector<pii> row_splits(ROWS); rep(i, ROWS) { row_splits[i] = {0, 0}; rep(j, ANCHOR_COLS) { row_splits[i].first |= ((perturbed_anchor[j] >> i) & 1) << j; } fwd(j, ANCHOR_COLS, COLS) { row_splits[i].second |= ((matrix[j] >> i) & 1) << (j - ANCHOR_COLS); } } sort(all(row_splits), [](pii a, pii b) { auto [a_anchor, a_payload] = a; auto [b_anchor, b_payload] = b; bool is_four_a = a_anchor == 4; bool is_four_b = b_anchor == 4; bool is_six_a = a_anchor == 6; bool is_six_b = b_anchor == 6; bool is_special_a = is_four_a || is_six_a; bool is_special_b = is_four_b || is_six_b; if (is_special_a != is_special_b) { return is_special_a > is_special_b; } if (!is_special_a) { return a_anchor < b_anchor; } if (is_four_a != is_four_b) { return is_four_a > is_four_b; } return (__builtin_popcount(a_payload) & 1) > (__builtin_popcount(b_payload) & 1); }); auto debug_rows_human_readable = [&](vector<pii> rowers) { for (auto [anchor_part, payload_part] : rowers) { string anchor_str, payload_str; rep(j, ANCHOR_COLS) { anchor_str += ((anchor_part >> j) & 1) ? '1' : '0'; } rep(j, PAYLOAD_COLS) { payload_str += ((payload_part >> j) & 1) ? '1' : '0'; } cerr << anchor_str << " | " << payload_str << '\n'; } }; auto payload_from_rows = [&](const vector<pii> &rows) { Payload payload{}; rep(i, PAYLOAD_COLS) { payload[i] = 0; rep(j, ROWS) { payload[i] |= ((rows[j].second >> i) & 1) << j; } } sort(all(payload)); debug_human_readable_payload(payload); return payload; }; return payload_from_rows(row_splits); } Matrix combine_anchor_and_payload(Anchor anchor, Payload payload) { Matrix matrix{}; rep(i, ANCHOR_COLS) { matrix[i] = anchor[i]; } rep(i, PAYLOAD_COLS) { matrix[ANCHOR_COLS + i] = payload[i]; } return matrix; } void print_matrix(const Matrix &matrix) { rep(i, ROWS) { string row_string; rep(j, COLS) { row_string += (matrix[j] & (1 << i)) ? '1' : '0'; } cout << row_string << '\n'; } cout.flush(); } void encode() { ll k; cin >> k; Payload payload = payload_unrank(k); Anchor anchor = get_anchor(); // debug_human_readable_anchor(anchor); Matrix matrix = combine_anchor_and_payload(anchor, payload); print_matrix(matrix); } mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); Matrix read_matrix() { Matrix matrix{}; vector<string> matrix_strings(ROWS); auto transpose_matrix_strings = [&]() { vector<string> transposed(COLS, string(ROWS, '0')); rep(i, ROWS) { rep(j, COLS) { transposed[j][i] = matrix_strings[i][j]; } } return transposed; }; rep(i, ROWS) { cin >> matrix_strings[i]; } shuffle(all(matrix_strings), rng); matrix_strings = transpose_matrix_strings(); shuffle(all(matrix_strings), rng); matrix_strings = transpose_matrix_strings(); rep(i, ROWS) { string row_string = matrix_strings[i]; rep(j, COLS) { if (row_string[j] == '1') { matrix[j] |= (1 << i); } } } return matrix; } void decode() { Matrix matrix = read_matrix(); Payload payload = extract_payload(matrix); ll k = payload_rank(payload); cout << k << '\n'; cout.flush(); } int32_t main() { preprocess_paths(); string whoami; cin >> whoami; bool encoder = (whoami == "Algosia"); ll bound; cin >> bound; assert(bound <= total_paths); int tests; cin >> tests; rep(_, tests) { if (encoder) { encode(); } else { decode(); } } #ifdef LOCF cout.flush(); cerr << "- - - - - - - - -\n"; (void)!system( "grep VmPeak /proc/$PPID/status | sed s/....kB/\' MB\'/1 >&2"); // 4x.kB // ....kB #endif return 0; } |
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