#include <bits/stdc++.h> #define boost \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) using namespace std; const int MAXN = 500005; int a[MAXN], min_pref[MAXN], max_suf[MAXN]; int n, k; deque<int> ans; void nie() { cout << "NIE\n"; exit(0); } void check() { assert(ans.size() == k - 1); vector<vector<int>> blocks; ans.push_back(n); int l = 1; for (auto r : ans) { blocks.push_back({}); for (int i = l; i <= r; i++) { blocks.back().push_back(a[i]); } l = r + 1; } int current_max = 0; vector<int> result; for (auto v : blocks) { int new_best = 2e9; int new_best_idx = 0; for (auto val : v) { if (val > current_max) { new_best = min(new_best, val); } } current_max = new_best; if (new_best == 2e9) { return; } } assert(false); } void tak() { cout << "TAK\n"; for (auto i : ans) cout << i << " "; cout << "\n"; // check(); exit(0); } int32_t main() { boost; cin >> n >> k; min_pref[0] = 2e9; for (int i = 1; i <= n; i++) { cin >> a[i]; min_pref[i] = min(min_pref[i - 1], a[i]); } for (int i = n; i >= 1; i--) { max_suf[i] = max(max_suf[i + 1], a[i]); } if (k >= 4) { for (int i = 1; i < n; i++) { if (a[i] >= a[i + 1]) { ans = {i, i + 1}; int bins_left = k - 3; while (bins_left > 0 && ans.front() - 1 > 0) { ans.push_front(ans.front() - 1); bins_left--; } while (bins_left > 0) { ans.push_back(ans.back() + 1); bins_left--; } tak(); } } nie(); } if (k == 3) { for (int i = 1; i <= n; i++) { if (i < n && a[i] == max_suf[1]) { ans = {i}; if (i > 1) ans.push_front(i - 1); else ans.push_back(i + 1); tak(); } if (i > 1 && a[i] == min_pref[n]) { ans = {i - 1, i}; tak(); } } nie(); } for (int i = 1; i < n; i++) { if (min_pref[i] >= max_suf[i + 1]) { ans = {i}; tak(); } } nie(); }
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 | #include <bits/stdc++.h> #define boost \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) using namespace std; const int MAXN = 500005; int a[MAXN], min_pref[MAXN], max_suf[MAXN]; int n, k; deque<int> ans; void nie() { cout << "NIE\n"; exit(0); } void check() { assert(ans.size() == k - 1); vector<vector<int>> blocks; ans.push_back(n); int l = 1; for (auto r : ans) { blocks.push_back({}); for (int i = l; i <= r; i++) { blocks.back().push_back(a[i]); } l = r + 1; } int current_max = 0; vector<int> result; for (auto v : blocks) { int new_best = 2e9; int new_best_idx = 0; for (auto val : v) { if (val > current_max) { new_best = min(new_best, val); } } current_max = new_best; if (new_best == 2e9) { return; } } assert(false); } void tak() { cout << "TAK\n"; for (auto i : ans) cout << i << " "; cout << "\n"; // check(); exit(0); } int32_t main() { boost; cin >> n >> k; min_pref[0] = 2e9; for (int i = 1; i <= n; i++) { cin >> a[i]; min_pref[i] = min(min_pref[i - 1], a[i]); } for (int i = n; i >= 1; i--) { max_suf[i] = max(max_suf[i + 1], a[i]); } if (k >= 4) { for (int i = 1; i < n; i++) { if (a[i] >= a[i + 1]) { ans = {i, i + 1}; int bins_left = k - 3; while (bins_left > 0 && ans.front() - 1 > 0) { ans.push_front(ans.front() - 1); bins_left--; } while (bins_left > 0) { ans.push_back(ans.back() + 1); bins_left--; } tak(); } } nie(); } if (k == 3) { for (int i = 1; i <= n; i++) { if (i < n && a[i] == max_suf[1]) { ans = {i}; if (i > 1) ans.push_front(i - 1); else ans.push_back(i + 1); tak(); } if (i > 1 && a[i] == min_pref[n]) { ans = {i - 1, i}; tak(); } } nie(); } for (int i = 1; i < n; i++) { if (min_pref[i] >= max_suf[i + 1]) { ans = {i}; tak(); } } nie(); } |