#include <iostream> #include <vector> #include <algorithm> unsigned int factorial(unsigned int n) { unsigned int ret = 1; for (unsigned int i = 1; i <= n; ++i) ret *= i; return ret; } template<class BidirectionalIterator> int inversionCount(BidirectionalIterator begin, BidirectionalIterator end) { int count = 0; for (auto first = begin; first != end; ++first) { for (auto second = first + 1; second != end; ++second) { if (begin != second && *first > *second) { count++; } } } return count; } bool isStable(const std::vector<int>& v) { return inversionCount(v.begin(), v.end()) == inversionCount(v.rbegin(), v.rend()); } void process() { int size, order; std::cin >> size >> order; std::vector<int> permutation; permutation.resize(size); for (int i = 0; i < size; i++) { permutation[i] = i + 1; } auto startingPermutation = permutation; int count = 0; for (;;) { if (isStable(permutation)) { count++; if (order == count) { std::cout << "TAK" << std::endl; for (auto element : permutation) { std::cout << element << " "; } return; } } std::next_permutation(permutation.begin(), permutation.end()); if (startingPermutation == permutation) { break; } } std::cout << "NIE" << std::endl; } int main() { process(); 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 | #include <iostream> #include <vector> #include <algorithm> unsigned int factorial(unsigned int n) { unsigned int ret = 1; for (unsigned int i = 1; i <= n; ++i) ret *= i; return ret; } template<class BidirectionalIterator> int inversionCount(BidirectionalIterator begin, BidirectionalIterator end) { int count = 0; for (auto first = begin; first != end; ++first) { for (auto second = first + 1; second != end; ++second) { if (begin != second && *first > *second) { count++; } } } return count; } bool isStable(const std::vector<int>& v) { return inversionCount(v.begin(), v.end()) == inversionCount(v.rbegin(), v.rend()); } void process() { int size, order; std::cin >> size >> order; std::vector<int> permutation; permutation.resize(size); for (int i = 0; i < size; i++) { permutation[i] = i + 1; } auto startingPermutation = permutation; int count = 0; for (;;) { if (isStable(permutation)) { count++; if (order == count) { std::cout << "TAK" << std::endl; for (auto element : permutation) { std::cout << element << " "; } return; } } std::next_permutation(permutation.begin(), permutation.end()); if (startingPermutation == permutation) { break; } } std::cout << "NIE" << std::endl; } int main() { process(); return 0; } |