#include <iostream> #include <vector> #include <list> using namespace std; int n, k; vector<int> t; void solve_2() { vector<int> sm(n + 1); sm[n] = t[n - 1] - 1; for (int i = n; --i >= 0;) sm[i] = max(sm[i + 1], t[i]); int tmp = sm[0]; for (int i = 0; i < n - 1; i++) { tmp = min(tmp, t[i]); if (tmp >= sm[i + 1]) { cout << "TAK\n" << i + 1 << '\n'; return; } } cout << "NIE\n"; } void solve_3() { for (int i = 1; i < n - 1; i++) { if (t[0] >= t[i]) { cout << "TAK\n"; cout << i << ' ' << i + 1; return; } } for (int i = n - 2; i > 0; i--) { if (t[i] >= t[n - 1]) { cout << "TAK\n"; cout << i << ' ' << i + 1; return; } } cout << "NIE\n"; } void solve_xd() { list<int> l; for (int i = 1; i < n; i++) { if (t[i - 1] >= t[i]) { l.push_back(i); l.push_back(i + 1); break; } } while (l.size() < k - 1 && l.front() - 1 > 0) l.push_front(l.front() - 1); while (l.size() < k - 1 && l.back() < n) l.push_back(l.back() + 1); cout << "TAK\n"; for (auto x : l) cout << x << ' '; } int main() { ios_base::sync_with_stdio(0); cin.tie(0), cout.tie(0); cin >> n >> k; t.resize(n, 0); bool inc = true; int prev = -1e9; for (auto &x : t) { cin >> x; if (x <= prev) inc = false; prev = x; } if (inc) { cout << "NIE\n"; return 0; } if (k == 1) { cout << "TAK\n"; } else if (k == 2) { solve_2(); } else if (k == 3) { solve_3(); } else { solve_xd(); } }
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 | #include <iostream> #include <vector> #include <list> using namespace std; int n, k; vector<int> t; void solve_2() { vector<int> sm(n + 1); sm[n] = t[n - 1] - 1; for (int i = n; --i >= 0;) sm[i] = max(sm[i + 1], t[i]); int tmp = sm[0]; for (int i = 0; i < n - 1; i++) { tmp = min(tmp, t[i]); if (tmp >= sm[i + 1]) { cout << "TAK\n" << i + 1 << '\n'; return; } } cout << "NIE\n"; } void solve_3() { for (int i = 1; i < n - 1; i++) { if (t[0] >= t[i]) { cout << "TAK\n"; cout << i << ' ' << i + 1; return; } } for (int i = n - 2; i > 0; i--) { if (t[i] >= t[n - 1]) { cout << "TAK\n"; cout << i << ' ' << i + 1; return; } } cout << "NIE\n"; } void solve_xd() { list<int> l; for (int i = 1; i < n; i++) { if (t[i - 1] >= t[i]) { l.push_back(i); l.push_back(i + 1); break; } } while (l.size() < k - 1 && l.front() - 1 > 0) l.push_front(l.front() - 1); while (l.size() < k - 1 && l.back() < n) l.push_back(l.back() + 1); cout << "TAK\n"; for (auto x : l) cout << x << ' '; } int main() { ios_base::sync_with_stdio(0); cin.tie(0), cout.tie(0); cin >> n >> k; t.resize(n, 0); bool inc = true; int prev = -1e9; for (auto &x : t) { cin >> x; if (x <= prev) inc = false; prev = x; } if (inc) { cout << "NIE\n"; return 0; } if (k == 1) { cout << "TAK\n"; } else if (k == 2) { solve_2(); } else if (k == 3) { solve_3(); } else { solve_xd(); } } |