#include <bits/stdc++.h> #define ULLI unsigned long long int using namespace std; const int L = 36; bitset<L> sequence; struct ReverseExecutor { const int M; const vector<pair<int, int>> commands; ReverseExecutor(const int m, const vector<pair<int, int>> &commands) : M(m), commands(commands) { } int startFrom(ULLI initSeq) { bitset<L> bitSequence; vector<ULLI> current; set<ULLI> waiting { initSeq }; const int cmdSize = commands.size(); for (int ci = cmdSize - 1; ci >= 0; ci--) { const int waitingSize = waiting.size(); if (waitingSize == 0) { return 0; } current.assign(waiting.begin(), waiting.end()); waiting.clear(); const pair<int, int> &cmd = commands[ci]; for (ULLI seq : current) { bitSequence = seq; // cout << bitSequence.to_string() << endl; if (bitSequence.test(cmd.first) == bitSequence.test(cmd.second)) { waiting.insert(seq); } else if (!bitSequence.test(cmd.first) && bitSequence.test(cmd.second)) { waiting.insert(seq); bitSequence.flip(cmd.first); bitSequence.flip(cmd.second); waiting.insert(bitSequence.to_ullong()); } } } return waiting.size(); } }; void printVector(vector<int> &v) { for (size_t i = 0; i < v.size(); i++) { cout << v[i] % 2 << " "; } cout << endl; } int main() { // ifstream cin("tests/0a.in"); // ifstream cin("tests/4.in"); cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int n, m, a, b; cin >> n; cin >> m; vector<pair<int, int>> commands(m); for (int i = 0; i < m; i++) { cin >> a; cin >> b; commands[i].first = a; commands[i].second = b; } vector<int> results; results.push_back(n); ReverseExecutor exec(m, commands); for (int k = 2; k < n; k++) { int sizeForK = 0; for (int shift = 0; shift <= n - k; shift++) { sequence = bitset<L>(string(k, '1')); // @suppress("Symbol is not resolved") sequence <<= shift + 1; // cout << sequence.to_string() << endl; const ULLI numSeq = sequence.to_ullong(); sizeForK += exec.startFrom(numSeq); } results.push_back(sizeForK); } results.push_back(1); printVector(results); // cout << "" << endl; // prints 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 | #include <bits/stdc++.h> #define ULLI unsigned long long int using namespace std; const int L = 36; bitset<L> sequence; struct ReverseExecutor { const int M; const vector<pair<int, int>> commands; ReverseExecutor(const int m, const vector<pair<int, int>> &commands) : M(m), commands(commands) { } int startFrom(ULLI initSeq) { bitset<L> bitSequence; vector<ULLI> current; set<ULLI> waiting { initSeq }; const int cmdSize = commands.size(); for (int ci = cmdSize - 1; ci >= 0; ci--) { const int waitingSize = waiting.size(); if (waitingSize == 0) { return 0; } current.assign(waiting.begin(), waiting.end()); waiting.clear(); const pair<int, int> &cmd = commands[ci]; for (ULLI seq : current) { bitSequence = seq; // cout << bitSequence.to_string() << endl; if (bitSequence.test(cmd.first) == bitSequence.test(cmd.second)) { waiting.insert(seq); } else if (!bitSequence.test(cmd.first) && bitSequence.test(cmd.second)) { waiting.insert(seq); bitSequence.flip(cmd.first); bitSequence.flip(cmd.second); waiting.insert(bitSequence.to_ullong()); } } } return waiting.size(); } }; void printVector(vector<int> &v) { for (size_t i = 0; i < v.size(); i++) { cout << v[i] % 2 << " "; } cout << endl; } int main() { // ifstream cin("tests/0a.in"); // ifstream cin("tests/4.in"); cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int n, m, a, b; cin >> n; cin >> m; vector<pair<int, int>> commands(m); for (int i = 0; i < m; i++) { cin >> a; cin >> b; commands[i].first = a; commands[i].second = b; } vector<int> results; results.push_back(n); ReverseExecutor exec(m, commands); for (int k = 2; k < n; k++) { int sizeForK = 0; for (int shift = 0; shift <= n - k; shift++) { sequence = bitset<L>(string(k, '1')); // @suppress("Symbol is not resolved") sequence <<= shift + 1; // cout << sequence.to_string() << endl; const ULLI numSeq = sequence.to_ullong(); sizeForK += exec.startFrom(numSeq); } results.push_back(sizeForK); } results.push_back(1); printVector(results); // cout << "" << endl; // prints return 0; } |