#include<bits/stdc++.h> using namespace std; constexpr int MAXN = 5e5+7; constexpr int inf = 1e9 + 7; int tab[MAXN]; int sufmax[MAXN]; int prefmin[MAXN]; int goodtri = -1; int goodtwo = -1; int goodquad = -1; void init(int n) { for (int i = 1; i <= n; i++) cin >> tab[i]; prefmin[0] = inf; prefmin[1] = tab[1]; for (int i = 2; i <= n; i++) prefmin[i] = min(prefmin[i - 1], tab[i]); sufmax[n] = tab[n]; for (int i = n - 1; i >= 1; i--) sufmax[i] = max(sufmax[i + 1], tab[i]); for (int i = 2; i < n; i++){ if (tab[i] == sufmax[i] || tab[i] == prefmin[i]) goodtri = i; } for (int i = 1; i < n; i++){ if (prefmin[i] >= sufmax[i + 1]) goodtwo = i; } for (int i = 1; i < n - 1; i++) { if (tab[i] >= tab[i + 1]) goodquad = i; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; init(n); if (k == 2) { if (goodtwo == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; cout << goodtwo << "\n"; return 0; } if (k == 3) { if (goodtri == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; vector <int> v; v.push_back(goodtri - 1); v.push_back(goodtri); for (int i = 1; i <= n; i++) { if (v.size() >= k - 1) break; if (i == goodtri - 1 || i == goodtri) continue; v.push_back(i); } sort(v.begin(), v.end()); for (int i : v) cout << i << " "; cout << "\n"; return 0; } if (goodquad == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; vector <int> v; v.push_back(goodquad - 1); v.push_back(goodquad); v.push_back(goodquad + 1); for (int i = 1; i <= n; i++) { if (v.size() >= k - 1) break; if (i == goodquad - 1 || i == goodquad || i == goodquad + 1) continue; v.push_back(i); } sort(v.begin(), v.end()); for (int i : v) 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 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #include<bits/stdc++.h> using namespace std; constexpr int MAXN = 5e5+7; constexpr int inf = 1e9 + 7; int tab[MAXN]; int sufmax[MAXN]; int prefmin[MAXN]; int goodtri = -1; int goodtwo = -1; int goodquad = -1; void init(int n) { for (int i = 1; i <= n; i++) cin >> tab[i]; prefmin[0] = inf; prefmin[1] = tab[1]; for (int i = 2; i <= n; i++) prefmin[i] = min(prefmin[i - 1], tab[i]); sufmax[n] = tab[n]; for (int i = n - 1; i >= 1; i--) sufmax[i] = max(sufmax[i + 1], tab[i]); for (int i = 2; i < n; i++){ if (tab[i] == sufmax[i] || tab[i] == prefmin[i]) goodtri = i; } for (int i = 1; i < n; i++){ if (prefmin[i] >= sufmax[i + 1]) goodtwo = i; } for (int i = 1; i < n - 1; i++) { if (tab[i] >= tab[i + 1]) goodquad = i; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; init(n); if (k == 2) { if (goodtwo == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; cout << goodtwo << "\n"; return 0; } if (k == 3) { if (goodtri == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; vector <int> v; v.push_back(goodtri - 1); v.push_back(goodtri); for (int i = 1; i <= n; i++) { if (v.size() >= k - 1) break; if (i == goodtri - 1 || i == goodtri) continue; v.push_back(i); } sort(v.begin(), v.end()); for (int i : v) cout << i << " "; cout << "\n"; return 0; } if (goodquad == -1){ cout << "NIE\n"; return 0; } cout << "TAK\n"; vector <int> v; v.push_back(goodquad - 1); v.push_back(goodquad); v.push_back(goodquad + 1); for (int i = 1; i <= n; i++) { if (v.size() >= k - 1) break; if (i == goodquad - 1 || i == goodquad || i == goodquad + 1) continue; v.push_back(i); } sort(v.begin(), v.end()); for (int i : v) cout << i << " "; cout << "\n"; return 0; } |