#include <iostream> #include <vector> using namespace std; vector<int> get_pref_min(vector<int> const & vec) { vector<int> result = vec; for(int i = 1; i < result.size(); i++) { if(result[i-1] < result[i]) result[i] = result[i-1]; } return result; } vector<int> get_suf_max(vector<int> const & vec) { vector<int> result = vec; for(int i = result.size()-2; i >= 0; i--) { if(result[i+1] > result[i]) result[i] = result[i+1]; } return result; } bool get_result_2(vector<int> const & vec, vector<bool> & result) { vector<int> pref_min = get_pref_min(vec); vector<int> suf_max = get_suf_max(vec); for(int i = 0; i < vec.size()-1; i++) { if(pref_min[i] >= suf_max[i+1]) { result[i] = true; return true; } } return false; } bool get_result_3(vector<int> const & vec, vector<bool> & result) { vector<int> pref_min = get_pref_min(vec); vector<int> suf_max = get_suf_max(vec); for(int i = 1; i < vec.size()-1; i++) { if(vec[i] <= pref_min[i-1] || vec[i] >= suf_max[i+1]) { result[i] = true; result[i-1] = true; return true; } } if(vec[vec.size()-1] <= pref_min[vec.size()-2]) { result[vec.size()-2] = true; result[vec.size()-3] = true; return true; } return false; } bool get_result_lrg(vector<int> const & vec, int k, vector<bool> & result) { int inv_ind = -1; for(int i = 1; i < vec.size(); i++) { if(vec[i-1] >= vec[i]) { inv_ind = i; break; } } if(inv_ind == -1) return false; k--; result[inv_ind-1] = true; k--; if(inv_ind < vec.size()-1) { result[inv_ind] = true; k--; } for(int i = inv_ind-2; i >= 0 && k > 0; i--) { result[i] = true; k--; } for(int i = inv_ind+1; i < vec.size() && k > 0; i++) { result[i] = true; k--; } return true; } bool get_result(vector<int> const & vec, int const k, vector<bool> & result) { if(k == 2) { return get_result_2(vec, result); } else if(k == 3) { return get_result_3(vec, result); } else { return get_result_lrg(vec, k, result); } } void solve() { int n, k; cin >> n >> k; vector<int> vec(n); for(int i = 0; i < n; i++) { cin >> vec[i]; } vector<bool> result(n, false); if(get_result(vec, k, result)) { cout << "TAK\n"; for(int i = 0; i < result.size(); i++) if(result[i]) cout << i+1 << " "; cout << "\n"; } else { cout << "NIE\n"; } } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); solve(); 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 | #include <iostream> #include <vector> using namespace std; vector<int> get_pref_min(vector<int> const & vec) { vector<int> result = vec; for(int i = 1; i < result.size(); i++) { if(result[i-1] < result[i]) result[i] = result[i-1]; } return result; } vector<int> get_suf_max(vector<int> const & vec) { vector<int> result = vec; for(int i = result.size()-2; i >= 0; i--) { if(result[i+1] > result[i]) result[i] = result[i+1]; } return result; } bool get_result_2(vector<int> const & vec, vector<bool> & result) { vector<int> pref_min = get_pref_min(vec); vector<int> suf_max = get_suf_max(vec); for(int i = 0; i < vec.size()-1; i++) { if(pref_min[i] >= suf_max[i+1]) { result[i] = true; return true; } } return false; } bool get_result_3(vector<int> const & vec, vector<bool> & result) { vector<int> pref_min = get_pref_min(vec); vector<int> suf_max = get_suf_max(vec); for(int i = 1; i < vec.size()-1; i++) { if(vec[i] <= pref_min[i-1] || vec[i] >= suf_max[i+1]) { result[i] = true; result[i-1] = true; return true; } } if(vec[vec.size()-1] <= pref_min[vec.size()-2]) { result[vec.size()-2] = true; result[vec.size()-3] = true; return true; } return false; } bool get_result_lrg(vector<int> const & vec, int k, vector<bool> & result) { int inv_ind = -1; for(int i = 1; i < vec.size(); i++) { if(vec[i-1] >= vec[i]) { inv_ind = i; break; } } if(inv_ind == -1) return false; k--; result[inv_ind-1] = true; k--; if(inv_ind < vec.size()-1) { result[inv_ind] = true; k--; } for(int i = inv_ind-2; i >= 0 && k > 0; i--) { result[i] = true; k--; } for(int i = inv_ind+1; i < vec.size() && k > 0; i++) { result[i] = true; k--; } return true; } bool get_result(vector<int> const & vec, int const k, vector<bool> & result) { if(k == 2) { return get_result_2(vec, result); } else if(k == 3) { return get_result_3(vec, result); } else { return get_result_lrg(vec, k, result); } } void solve() { int n, k; cin >> n >> k; vector<int> vec(n); for(int i = 0; i < n; i++) { cin >> vec[i]; } vector<bool> result(n, false); if(get_result(vec, k, result)) { cout << "TAK\n"; for(int i = 0; i < result.size(); i++) if(result[i]) cout << i+1 << " "; cout << "\n"; } else { cout << "NIE\n"; } } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; } |