#include <iostream> #include <bitset> #include <vector> using namespace std; void case2(std::vector<int> &vec) { std::vector<int> suffix_max; int max = 0; for (int i=vec.size()-1; i > 0; i--) { max = std::max(max, vec.at(i)); suffix_max.push_back(max); } int min=vec.at(0); for (int i=0; i < vec.size()-1; i++) { min = std::min(min, vec.at(i)); if (min >= suffix_max.at(vec.size()-2-i)) { std::cout << "TAK\n"; std::cout << i+1; return; } } std::cout << "NIE"; } void case3(std::vector<int> &vec) { int min = vec.at(0); int max = vec.at(0); int min_count = 0; int max_count = 0; for (int i=0; i<vec.size(); i++) { if (vec.at(i) == max) { max_count++; } else if (vec.at(i) > max) { max = vec.at(i); max_count=1; } if (vec.at(i) == min) { min_count++; } else if (vec.at(i) < min) { min = vec.at(i); min_count=1; } } if (vec.at(0) == min && vec.at(vec.size()-1) == max && min_count == 1 && max_count == 1) { std::cout << "NIE"; return; } int outsider; for (int i=1; i<vec.size()-1; i++) { if (vec.at(i) == min || vec.at(i) == max) { outsider = i+1; break; } } std::cout << "TAK\n"; std::cout << outsider-1 << " " << outsider; } void case4OrMore(std::vector<int> &vec, int seg) { int prev = vec.at(0); std::vector<int> res; for (int i=1; i<vec.size(); i++) { if (vec.at(i) <= prev) { if (i != 1) { res.push_back(i-2); } res.push_back(i-1); if (i != vec.size()-1) { res.push_back(i); } break; } prev = vec.at(i); } if (res.size() == 0) { std::cout << "NIE"; return; } std::cout << "TAK\n"; int i = 0; while (seg > res.size() && i < res.at(0)) { std::cout << i+1 << " "; seg--; i++; } for (int v : res) { std::cout << v+1; seg--; i = v+1; if (seg != 0) { std::cout << " "; } } while (seg > 0) { std::cout << i+1; seg--; i++; if (seg != 0) { std::cout << " "; } } } int main() { ios_base::sync_with_stdio(false); std::cin.tie(NULL); int n, k; std::vector<int> vec; std::cin >> n >> k; for (int i=0; i<n; i++) { int v; std::cin >> v; vec.push_back(v); } std::vector<int> res; if (k == 2) { case2(vec); } else if (k == 3) { case3(vec); } else { case4OrMore(vec, k-1); } }
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 <bitset> #include <vector> using namespace std; void case2(std::vector<int> &vec) { std::vector<int> suffix_max; int max = 0; for (int i=vec.size()-1; i > 0; i--) { max = std::max(max, vec.at(i)); suffix_max.push_back(max); } int min=vec.at(0); for (int i=0; i < vec.size()-1; i++) { min = std::min(min, vec.at(i)); if (min >= suffix_max.at(vec.size()-2-i)) { std::cout << "TAK\n"; std::cout << i+1; return; } } std::cout << "NIE"; } void case3(std::vector<int> &vec) { int min = vec.at(0); int max = vec.at(0); int min_count = 0; int max_count = 0; for (int i=0; i<vec.size(); i++) { if (vec.at(i) == max) { max_count++; } else if (vec.at(i) > max) { max = vec.at(i); max_count=1; } if (vec.at(i) == min) { min_count++; } else if (vec.at(i) < min) { min = vec.at(i); min_count=1; } } if (vec.at(0) == min && vec.at(vec.size()-1) == max && min_count == 1 && max_count == 1) { std::cout << "NIE"; return; } int outsider; for (int i=1; i<vec.size()-1; i++) { if (vec.at(i) == min || vec.at(i) == max) { outsider = i+1; break; } } std::cout << "TAK\n"; std::cout << outsider-1 << " " << outsider; } void case4OrMore(std::vector<int> &vec, int seg) { int prev = vec.at(0); std::vector<int> res; for (int i=1; i<vec.size(); i++) { if (vec.at(i) <= prev) { if (i != 1) { res.push_back(i-2); } res.push_back(i-1); if (i != vec.size()-1) { res.push_back(i); } break; } prev = vec.at(i); } if (res.size() == 0) { std::cout << "NIE"; return; } std::cout << "TAK\n"; int i = 0; while (seg > res.size() && i < res.at(0)) { std::cout << i+1 << " "; seg--; i++; } for (int v : res) { std::cout << v+1; seg--; i = v+1; if (seg != 0) { std::cout << " "; } } while (seg > 0) { std::cout << i+1; seg--; i++; if (seg != 0) { std::cout << " "; } } } int main() { ios_base::sync_with_stdio(false); std::cin.tie(NULL); int n, k; std::vector<int> vec; std::cin >> n >> k; for (int i=0; i<n; i++) { int v; std::cin >> v; vec.push_back(v); } std::vector<int> res; if (k == 2) { case2(vec); } else if (k == 3) { case3(vec); } else { case4OrMore(vec, k-1); } } |