#include <iostream> #include <set> #include <vector> int read_int() { int x; std::cin >> x; return x; } std::vector<int> read_vec(int n) { std::vector<int> v(n); for (int i = 0; i < n; ++i) { std::cin >> v[i]; } return v; } int min(const std::multiset<int> &s) { return *(s.begin()); } int max(const std::multiset<int> &s) { return *(std::prev(s.end())); } void process2(const std::vector<int> &V) { std::multiset<int> a; std::multiset<int> b; a.insert(V[0]); for (size_t i = 1; i < V.size(); ++i) { b.insert(V[i]); } ////////////////////// if (min(a) > max(b)) { std::cout << "TAK" << std::endl; std::cout << "1" << std::endl; return; } for (size_t i = 1; i < V.size() - 1; ++i) { a.insert(V[i]); b.erase(b.find(V[i])); if (min(a) >= max(b)) { std::cout << "TAK" << std::endl; std::cout << i + 1 << std::endl; return; } } std::cout << "NIE" << std::endl; } void process3(const std::vector<int> &V) { std::multiset<int> a; std::multiset<int> b; int p = 0; a.insert(V[0]); p = V[1]; for (size_t i = 2; i < V.size(); ++i) { b.insert(V[i]); } ////////////////////// if (min(a) >= p || p >= max(b)) { std::cout << "TAK" << std::endl; std::cout << "1 2" << std::endl; return; } for (size_t i = 2; i < V.size() - 1; ++i) { a.insert(V[i - 1]); p = V[i]; b.erase(b.find(V[i])); if (min(a) >= p || p >= max(b)) { std::cout << "TAK" << std::endl; std::cout << i << " " << i + 1 << std::endl; return; } } std::cout << "NIE" << std::endl; } void process4(const std::vector<int> &V, const int N, const int K) { for (size_t i = 0; i < V.size() - 1; ++i) { if (V[i] >= V[i + 1]) { std::set<int> s; s.insert(i + 1); if (i + 2 < (size_t) N) { s.insert(i + 2); } if (i > 0) { s.insert(i); } int index = 1; while ((int) s.size() < K - 1) { s.insert(index); index++; } std::cout << "TAK" << std::endl; for (const auto &i : s) { std::cout << i << " "; } std::cout << std::endl; return; } } std::cout << "NIE" << std::endl; } int main() { std::ios::sync_with_stdio(false); const int N = read_int(); const int K = read_int(); const std::vector<int> V = read_vec(N); if (K == 2) { process2(V); } else if (K == 3) { process3(V); } else { process4(V, N, K); } 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 | #include <iostream> #include <set> #include <vector> int read_int() { int x; std::cin >> x; return x; } std::vector<int> read_vec(int n) { std::vector<int> v(n); for (int i = 0; i < n; ++i) { std::cin >> v[i]; } return v; } int min(const std::multiset<int> &s) { return *(s.begin()); } int max(const std::multiset<int> &s) { return *(std::prev(s.end())); } void process2(const std::vector<int> &V) { std::multiset<int> a; std::multiset<int> b; a.insert(V[0]); for (size_t i = 1; i < V.size(); ++i) { b.insert(V[i]); } ////////////////////// if (min(a) > max(b)) { std::cout << "TAK" << std::endl; std::cout << "1" << std::endl; return; } for (size_t i = 1; i < V.size() - 1; ++i) { a.insert(V[i]); b.erase(b.find(V[i])); if (min(a) >= max(b)) { std::cout << "TAK" << std::endl; std::cout << i + 1 << std::endl; return; } } std::cout << "NIE" << std::endl; } void process3(const std::vector<int> &V) { std::multiset<int> a; std::multiset<int> b; int p = 0; a.insert(V[0]); p = V[1]; for (size_t i = 2; i < V.size(); ++i) { b.insert(V[i]); } ////////////////////// if (min(a) >= p || p >= max(b)) { std::cout << "TAK" << std::endl; std::cout << "1 2" << std::endl; return; } for (size_t i = 2; i < V.size() - 1; ++i) { a.insert(V[i - 1]); p = V[i]; b.erase(b.find(V[i])); if (min(a) >= p || p >= max(b)) { std::cout << "TAK" << std::endl; std::cout << i << " " << i + 1 << std::endl; return; } } std::cout << "NIE" << std::endl; } void process4(const std::vector<int> &V, const int N, const int K) { for (size_t i = 0; i < V.size() - 1; ++i) { if (V[i] >= V[i + 1]) { std::set<int> s; s.insert(i + 1); if (i + 2 < (size_t) N) { s.insert(i + 2); } if (i > 0) { s.insert(i); } int index = 1; while ((int) s.size() < K - 1) { s.insert(index); index++; } std::cout << "TAK" << std::endl; for (const auto &i : s) { std::cout << i << " "; } std::cout << std::endl; return; } } std::cout << "NIE" << std::endl; } int main() { std::ios::sync_with_stdio(false); const int N = read_int(); const int K = read_int(); const std::vector<int> V = read_vec(N); if (K == 2) { process2(V); } else if (K == 3) { process3(V); } else { process4(V, N, K); } return 0; } |