#include <iostream> using namespace std; const int N = 500 * 1000 + 4; int n, k; int tab[N]; bool konce[N]; int minim[N]; int maksim[N]; void dwa() { minim[1] = tab[1]; for (int i = 2; i <= n; i++) minim[i] = min(tab[i], minim[i - 1]); maksim[n] = tab[n]; for (int i = n - 1; i >= 1; i--) maksim[i] = max(tab[i], maksim[i + 1]); for (int i = 1; i <= n - 1; i++) { if (minim[i] >= maksim[i + 1]) { cout << "TAK" << "\n"; cout << i; return; } } cout << "NIE"; return; } void trzy() { int maks = 0; for (int i = 1; i <= n; i++) maks = max(tab[i], maks); for (int i = 1; i < n; i++) { if (tab[i] == maks) { cout << "TAK" << "\n"; if (i > 1) { cout << i - 1 << " " << i; return; } else { cout << 1 << " " << 2; return; } } } minim[1] = tab[1]; for (int i = 2; i <= n; i++) minim[i] = min(tab[i], minim[i - 1]); for (int i = 1; i < n-1; i++) { if (minim[i] >= tab[i + 1]) { cout << "TAK" << "\n"; cout << i << " " << i + 1; return; } } cout << "NIE"; return; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; for (int i = 1; i <= n; i ++) cin >> tab[i]; bool flaga = 0; for (int i = 2; i <= n; i++) { if (!flaga && tab[i] <= tab[i - 1]) { flaga = 1; konce[i - 2] = 1; konce[i] = 1; konce[i - 1] = 1; //cout << i << "\n"; } } if (!flaga) { cout << "NIE"; return 0; } if (k == 2) { dwa(); return 0; } if (k == 3) { trzy(); return 0; } if (konce[0] == 1) k++; if (konce[n] == 1) k++; konce[n] = 1; k -= 4; int it = 1; cout << "TAK" << "\n"; while (k > 0) { if (!konce[it]) { k--; konce[it] = true; } it++; } for (int i = 1; i < n; i++) if (konce[i]) cout << i << " "; }
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 | #include <iostream> using namespace std; const int N = 500 * 1000 + 4; int n, k; int tab[N]; bool konce[N]; int minim[N]; int maksim[N]; void dwa() { minim[1] = tab[1]; for (int i = 2; i <= n; i++) minim[i] = min(tab[i], minim[i - 1]); maksim[n] = tab[n]; for (int i = n - 1; i >= 1; i--) maksim[i] = max(tab[i], maksim[i + 1]); for (int i = 1; i <= n - 1; i++) { if (minim[i] >= maksim[i + 1]) { cout << "TAK" << "\n"; cout << i; return; } } cout << "NIE"; return; } void trzy() { int maks = 0; for (int i = 1; i <= n; i++) maks = max(tab[i], maks); for (int i = 1; i < n; i++) { if (tab[i] == maks) { cout << "TAK" << "\n"; if (i > 1) { cout << i - 1 << " " << i; return; } else { cout << 1 << " " << 2; return; } } } minim[1] = tab[1]; for (int i = 2; i <= n; i++) minim[i] = min(tab[i], minim[i - 1]); for (int i = 1; i < n-1; i++) { if (minim[i] >= tab[i + 1]) { cout << "TAK" << "\n"; cout << i << " " << i + 1; return; } } cout << "NIE"; return; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; for (int i = 1; i <= n; i ++) cin >> tab[i]; bool flaga = 0; for (int i = 2; i <= n; i++) { if (!flaga && tab[i] <= tab[i - 1]) { flaga = 1; konce[i - 2] = 1; konce[i] = 1; konce[i - 1] = 1; //cout << i << "\n"; } } if (!flaga) { cout << "NIE"; return 0; } if (k == 2) { dwa(); return 0; } if (k == 3) { trzy(); return 0; } if (konce[0] == 1) k++; if (konce[n] == 1) k++; konce[n] = 1; k -= 4; int it = 1; cout << "TAK" << "\n"; while (k > 0) { if (!konce[it]) { k--; konce[it] = true; } it++; } for (int i = 1; i < n; i++) if (konce[i]) cout << i << " "; } |