//GRT_2018 #include <bits/stdc++.h> #define PB push_back #define ST first #define ND second //mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); using namespace std; using ll = long long; using pi = pair<int,int>; using vi = vector<int>; const int nax = 500 * 1000 + 10; int n, k; int a[nax]; int suf[nax]; int strictlyInc() { for (int i = 2; i <= n; ++i) { if (a[i] <= a[i - 1]) return i; } return n + 1; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; for (int i = 1; i <= n; ++i) { cin >> a[i]; } int pos = strictlyInc(); if (pos == n + 1) { cout << "NIE"; return 0; } if (k >= 4) { cout << "TAK\n"; set<int>ans; if (pos < n) { ans.insert(pos); } ans.insert(pos-1); if (pos > 2) ans.insert(pos - 2); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; return 0; } if (k == 3) { int mi = 1, mx = n; for (int i = 2; i <= n; ++i) { if (a[i] <= a[mi]) { mi = i; } } for (int i = n - 1; i >= 1; --i) { if (a[i] >= a[mx]) { mx = i; } } if (mi == 1 && mx == n) { cout << "NIE"; return 0; } cout << "TAK\n"; if (mi != 1) { set<int>ans; if (mi < n) ans.insert(mi); ans.insert(mi - 1); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; } else { set<int>ans; ans.insert(mx); if (mx > 1) ans.insert(mx - 1); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; } return 0; } suf[n] = a[n]; for (int i = n - 1; i >= 1; --i) { suf[i] = max(suf[i + 1], a[i]); } int mi = a[1]; for (int i = 1; i < n; ++i) { mi = min(mi, a[i]); if (mi >= suf[i + 1]) { cout << "TAK\n" << i; return 0; } } cout << "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 | //GRT_2018 #include <bits/stdc++.h> #define PB push_back #define ST first #define ND second //mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); using namespace std; using ll = long long; using pi = pair<int,int>; using vi = vector<int>; const int nax = 500 * 1000 + 10; int n, k; int a[nax]; int suf[nax]; int strictlyInc() { for (int i = 2; i <= n; ++i) { if (a[i] <= a[i - 1]) return i; } return n + 1; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; for (int i = 1; i <= n; ++i) { cin >> a[i]; } int pos = strictlyInc(); if (pos == n + 1) { cout << "NIE"; return 0; } if (k >= 4) { cout << "TAK\n"; set<int>ans; if (pos < n) { ans.insert(pos); } ans.insert(pos-1); if (pos > 2) ans.insert(pos - 2); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; return 0; } if (k == 3) { int mi = 1, mx = n; for (int i = 2; i <= n; ++i) { if (a[i] <= a[mi]) { mi = i; } } for (int i = n - 1; i >= 1; --i) { if (a[i] >= a[mx]) { mx = i; } } if (mi == 1 && mx == n) { cout << "NIE"; return 0; } cout << "TAK\n"; if (mi != 1) { set<int>ans; if (mi < n) ans.insert(mi); ans.insert(mi - 1); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; } else { set<int>ans; ans.insert(mx); if (mx > 1) ans.insert(mx - 1); for (int i = 1; i < n; ++i) { if ((int)ans.size() == k - 1) break; ans.insert(i); } for (int x : ans) cout << x << " "; } return 0; } suf[n] = a[n]; for (int i = n - 1; i >= 1; --i) { suf[i] = max(suf[i + 1], a[i]); } int mi = a[1]; for (int i = 1; i < n; ++i) { mi = min(mi, a[i]); if (mi >= suf[i + 1]) { cout << "TAK\n" << i; return 0; } } cout << "NIE"; } |