#include <bits/stdc++.h> using namespace std;template<class A,class B>auto&operator<<(ostream&o,pair<A,B> x){return o<<'('<<x.first<<' '<<x.second<<')';}template<class T>auto operator<<( ostream&o,T x)->decltype(x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++ <<e;return o<<'}';} #ifdef DEBUG #define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<'\n';}(x) #else #define LOG(x...) #endif int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int size, value; cin >> size >> value; vector<int> values(size); for (auto &value : values) cin >> value; vector<int> result; if (value == 2) { multiset<int> first, second; for (auto value : values) second.insert(value); for (int index = 0; index < size - 1; index++) { second.erase(second.find(values[index])); first.insert(values[index]); int first_min = *first.begin(); int second_max = *second.rbegin(); if (first_min >= second_max) { result.push_back(index); break; } } } else if (value == 3) { int smallest = values[0]; int smallest_index = 0; int biggest = values[0]; int biggest_index = 0; for (int index = 1; index < size; index++) { if (values[index] <= smallest) { smallest = values[index]; smallest_index = index; } if (values[index] > biggest) { biggest = values[index]; biggest_index = index; } } if (biggest_index != size - 1) { if (biggest_index == 0) result = { 0, 1 }; else result = { biggest_index - 1, biggest_index }; } else if (smallest_index != 0) { if (smallest_index == size - 1) result = { size - 2, size - 1 }; else result = { smallest_index - 1, smallest_index }; } } else { set<int> result_set; for (int index = 1; index < size; index++) { if (values[index - 1] < values[index]) continue; if (index != 1) result_set.insert(index - 2); result_set.insert(index - 1); result_set.insert(index); for (int current = 0; result_set.size() < value - 1; current++) result_set.insert(current); break; } for (auto value : result_set) result.push_back(value); } if (result.empty()) { cout << "NIE\n"; return 0; } cout << "TAK\n"; for (auto value : result) cout << value + 1 << ' '; cout << '\n'; #ifdef DEBUG int last = 0; int previous_index = 0; bool correct = false; result.push_back(size - 1); for (auto current_index : result) { int current = INT_MAX; for (int index = previous_index; index <= current_index; index++) if (values[index] > last && values[index] < current) current = values[index]; if (current == INT_MAX) { correct = true; break; } last = current; previous_index = current_index + 1; } assert(correct); #endif }
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 | #include <bits/stdc++.h> using namespace std;template<class A,class B>auto&operator<<(ostream&o,pair<A,B> x){return o<<'('<<x.first<<' '<<x.second<<')';}template<class T>auto operator<<( ostream&o,T x)->decltype(x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++ <<e;return o<<'}';} #ifdef DEBUG #define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<'\n';}(x) #else #define LOG(x...) #endif int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int size, value; cin >> size >> value; vector<int> values(size); for (auto &value : values) cin >> value; vector<int> result; if (value == 2) { multiset<int> first, second; for (auto value : values) second.insert(value); for (int index = 0; index < size - 1; index++) { second.erase(second.find(values[index])); first.insert(values[index]); int first_min = *first.begin(); int second_max = *second.rbegin(); if (first_min >= second_max) { result.push_back(index); break; } } } else if (value == 3) { int smallest = values[0]; int smallest_index = 0; int biggest = values[0]; int biggest_index = 0; for (int index = 1; index < size; index++) { if (values[index] <= smallest) { smallest = values[index]; smallest_index = index; } if (values[index] > biggest) { biggest = values[index]; biggest_index = index; } } if (biggest_index != size - 1) { if (biggest_index == 0) result = { 0, 1 }; else result = { biggest_index - 1, biggest_index }; } else if (smallest_index != 0) { if (smallest_index == size - 1) result = { size - 2, size - 1 }; else result = { smallest_index - 1, smallest_index }; } } else { set<int> result_set; for (int index = 1; index < size; index++) { if (values[index - 1] < values[index]) continue; if (index != 1) result_set.insert(index - 2); result_set.insert(index - 1); result_set.insert(index); for (int current = 0; result_set.size() < value - 1; current++) result_set.insert(current); break; } for (auto value : result_set) result.push_back(value); } if (result.empty()) { cout << "NIE\n"; return 0; } cout << "TAK\n"; for (auto value : result) cout << value + 1 << ' '; cout << '\n'; #ifdef DEBUG int last = 0; int previous_index = 0; bool correct = false; result.push_back(size - 1); for (auto current_index : result) { int current = INT_MAX; for (int index = previous_index; index <= current_index; index++) if (values[index] > last && values[index] < current) current = values[index]; if (current == INT_MAX) { correct = true; break; } last = current; previous_index = current_index + 1; } assert(correct); #endif } |