/* Zadanie: Podwyżki Autor: Tomasz Kwiatkowski */ #include <bits/stdc++.h> #define fi first #define se second #define pb push_back using namespace std; typedef long long ll; const int MAXN = 5e5 + 7; int arr[MAXN]; int min_pref[MAXN]; int max_suf[MAXN]; bool res[MAXN]; bool is_inc(int n) { for (int i = 2; i <= n; ++i) if (arr[i - 1] >= arr[i]) return false; return true; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; for (int i = 1; i <= n; ++i) cin >> arr[i]; min_pref[0] = 1e9 + 7; for (int i = 1; i <= n; ++i) min_pref[i] = min(min_pref[i - 1], arr[i]); for (int i = n; i >= 1; --i) max_suf[i] = max(max_suf[i + 1], arr[i]); if (is_inc(n)) { cout << "NIE\n"; return 0; } bool ok = false; if (k >= 2) { for (int i = 1; i < n; ++i) { if (min_pref[i] >= max_suf[i + 1]) { res[i] = 1; k -= 2; ok = true; break; } } } if (!ok && k >= 3) { for (int i = 2; i < n; ++i) { if (min_pref[i - 1] >= arr[i] || arr[i] >= max_suf[i + 1]) { res[i - 1] = res[i] = 1; k -= 3; ok = true; break; } } } if (!ok && k >= 4) { for (int i = 3; i < n; ++i) { if (arr[i - 1] >= arr[i]) { res[i - 1] = res[i] = res[i + 1] = 1; k -= 4; ok = true; break; } } } if (!ok) { cout << "NIE\n"; return 0; } cout << "TAK\n"; for (int i = 1; i < n; ++i) { if (res[i] || (k-- > 0)) cout << i << ' '; } cout << '\n'; 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 | /* Zadanie: Podwyżki Autor: Tomasz Kwiatkowski */ #include <bits/stdc++.h> #define fi first #define se second #define pb push_back using namespace std; typedef long long ll; const int MAXN = 5e5 + 7; int arr[MAXN]; int min_pref[MAXN]; int max_suf[MAXN]; bool res[MAXN]; bool is_inc(int n) { for (int i = 2; i <= n; ++i) if (arr[i - 1] >= arr[i]) return false; return true; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; for (int i = 1; i <= n; ++i) cin >> arr[i]; min_pref[0] = 1e9 + 7; for (int i = 1; i <= n; ++i) min_pref[i] = min(min_pref[i - 1], arr[i]); for (int i = n; i >= 1; --i) max_suf[i] = max(max_suf[i + 1], arr[i]); if (is_inc(n)) { cout << "NIE\n"; return 0; } bool ok = false; if (k >= 2) { for (int i = 1; i < n; ++i) { if (min_pref[i] >= max_suf[i + 1]) { res[i] = 1; k -= 2; ok = true; break; } } } if (!ok && k >= 3) { for (int i = 2; i < n; ++i) { if (min_pref[i - 1] >= arr[i] || arr[i] >= max_suf[i + 1]) { res[i - 1] = res[i] = 1; k -= 3; ok = true; break; } } } if (!ok && k >= 4) { for (int i = 3; i < n; ++i) { if (arr[i - 1] >= arr[i]) { res[i - 1] = res[i] = res[i + 1] = 1; k -= 4; ok = true; break; } } } if (!ok) { cout << "NIE\n"; return 0; } cout << "TAK\n"; for (int i = 1; i < n; ++i) { if (res[i] || (k-- > 0)) cout << i << ' '; } cout << '\n'; return 0; } |