#include <bits/stdc++.h> using namespace std; const int MAXN = 1000007; vector<int> v; int end_int[MAXN]; int maxs[MAXN]; int n, k; bool find_asc(vector<vector<int>> fin, int x, int prev) { if (x == fin.size()) return true; for (int a : fin[x]) { if (a > prev) { if (find_asc(fin, x+1, a)) return true; } } return false; } void check_ans(vector<int> res) { res.push_back(v.size()); assert(res.size() == k); vector<vector<int>> fin; int it = 1; for (int last : res) { fin.push_back({}); while (it <= last) { fin.back().push_back(v[it-1]); it++; } } assert(!find_asc(fin, 0, -1)); } int answer_no() { printf("NIE\n"); return 0; } int answer_yes() { printf("TAK\n"); vector<int> res; for (int i=0; i<v.size(); i++) { if (end_int[i]) { res.push_back(i+1); // assert(i+1 < n); } } // check_ans(res); printf("%d", res[0]); for (int i=1; i<res.size(); i++) { printf(" %d", res[i]); } printf("\n"); return 0; } int is_sorted() { for (int i=0; i<v.size()-1; i++) { if (v[i] >= v[i+1]) return i; } return -1; } int main() { scanf("%d%d", &n, &k); for (int i=0; i<n; i++) { int a; scanf("%d", &a); v.push_back(a); } int trans = is_sorted(); if (trans == -1) return answer_no(); if (k == 2) { maxs[n-1] = v[n-1]; for (int i=n-2; i>=0; i--) { maxs[i] = max(v[i], maxs[i+1]); } int minp = v[0]; for (int i=0; i<n-1; i++) { minp = min(minp, v[i]); if (minp >= maxs[i+1]) { end_int[i] = 1; return answer_yes(); } } return answer_no(); } else if (k == 3) { for (int i=1; i<n; i++) { if (v[i] <= v[0]) { if (i == n-1) i--; end_int[i-1] = 1; end_int[i] = 1; return answer_yes(); } } for (int i=n-2; i>=1; i--) { if (v[i] >= v[n-1]) { end_int[i-1] = 1; end_int[i] = 1; return answer_yes(); } } return answer_no(); } else { // k >= 4 if (trans > 0) trans--; int cnt = 0; for (int i=trans; i<n-1; i++) { end_int[i] = 1; cnt++; if (cnt == k-1) break; } for (int i=0; cnt < k-1; i++) { end_int[i] = 1; cnt++; } return answer_yes(); } 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #include <bits/stdc++.h> using namespace std; const int MAXN = 1000007; vector<int> v; int end_int[MAXN]; int maxs[MAXN]; int n, k; bool find_asc(vector<vector<int>> fin, int x, int prev) { if (x == fin.size()) return true; for (int a : fin[x]) { if (a > prev) { if (find_asc(fin, x+1, a)) return true; } } return false; } void check_ans(vector<int> res) { res.push_back(v.size()); assert(res.size() == k); vector<vector<int>> fin; int it = 1; for (int last : res) { fin.push_back({}); while (it <= last) { fin.back().push_back(v[it-1]); it++; } } assert(!find_asc(fin, 0, -1)); } int answer_no() { printf("NIE\n"); return 0; } int answer_yes() { printf("TAK\n"); vector<int> res; for (int i=0; i<v.size(); i++) { if (end_int[i]) { res.push_back(i+1); // assert(i+1 < n); } } // check_ans(res); printf("%d", res[0]); for (int i=1; i<res.size(); i++) { printf(" %d", res[i]); } printf("\n"); return 0; } int is_sorted() { for (int i=0; i<v.size()-1; i++) { if (v[i] >= v[i+1]) return i; } return -1; } int main() { scanf("%d%d", &n, &k); for (int i=0; i<n; i++) { int a; scanf("%d", &a); v.push_back(a); } int trans = is_sorted(); if (trans == -1) return answer_no(); if (k == 2) { maxs[n-1] = v[n-1]; for (int i=n-2; i>=0; i--) { maxs[i] = max(v[i], maxs[i+1]); } int minp = v[0]; for (int i=0; i<n-1; i++) { minp = min(minp, v[i]); if (minp >= maxs[i+1]) { end_int[i] = 1; return answer_yes(); } } return answer_no(); } else if (k == 3) { for (int i=1; i<n; i++) { if (v[i] <= v[0]) { if (i == n-1) i--; end_int[i-1] = 1; end_int[i] = 1; return answer_yes(); } } for (int i=n-2; i>=1; i--) { if (v[i] >= v[n-1]) { end_int[i-1] = 1; end_int[i] = 1; return answer_yes(); } } return answer_no(); } else { // k >= 4 if (trans > 0) trans--; int cnt = 0; for (int i=trans; i<n-1; i++) { end_int[i] = 1; cnt++; if (cnt == k-1) break; } for (int i=0; cnt < k-1; i++) { end_int[i] = 1; cnt++; } return answer_yes(); } return 0; } |