#include <bits/stdc++.h> #define qio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define debug(x) cerr<<#x<<" "<<x<<endl #define ll long long #define st first #define nd second using namespace std; int n, k, tab[500005], sufmax[500005], prefmin[500005]; int main() { qio; cin >> n >> k; prefmin[0] = INT_MAX; for (int i = 1; i <= n; i++) { cin >> tab[i]; prefmin[i] = min(prefmin[i - 1], tab[i]); } for (int i = n; i >= 1; i--) { sufmax[i] = max(sufmax[i + 1], tab[i]); } if (k == 2) { for (int i = 1; i < n; i++) { if (prefmin[i] >= sufmax[i + 1]) { cout << "TAK\n" << i << "\n"; return 0; } } cout << "NIE\n"; } else if (k == 3) { for (int i = 2; i < n; i++) { if (prefmin[i - 1] >= tab[i] || sufmax[i + 1] <= tab[i]) { cout << "TAK\n" << i - 1 << " " << i << "\n"; return 0; } } cout << "NIE\n"; } else { int res = 0; for (int i = 1; i < n; i++) { if (tab[i] >= tab[i + 1]) { res = i; break; } } if (res == 0) cout << "NIE\n"; else { cout << "TAK\n"; int x = 0; if (res == n - 1)x = max(1, res - k + 2); else x = max(1, res - k + 3); for (int i = x; i < min(n, x + k - 1); i++) cout << i << " "; cout << "\n"; } } }
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 | #include <bits/stdc++.h> #define qio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define debug(x) cerr<<#x<<" "<<x<<endl #define ll long long #define st first #define nd second using namespace std; int n, k, tab[500005], sufmax[500005], prefmin[500005]; int main() { qio; cin >> n >> k; prefmin[0] = INT_MAX; for (int i = 1; i <= n; i++) { cin >> tab[i]; prefmin[i] = min(prefmin[i - 1], tab[i]); } for (int i = n; i >= 1; i--) { sufmax[i] = max(sufmax[i + 1], tab[i]); } if (k == 2) { for (int i = 1; i < n; i++) { if (prefmin[i] >= sufmax[i + 1]) { cout << "TAK\n" << i << "\n"; return 0; } } cout << "NIE\n"; } else if (k == 3) { for (int i = 2; i < n; i++) { if (prefmin[i - 1] >= tab[i] || sufmax[i + 1] <= tab[i]) { cout << "TAK\n" << i - 1 << " " << i << "\n"; return 0; } } cout << "NIE\n"; } else { int res = 0; for (int i = 1; i < n; i++) { if (tab[i] >= tab[i + 1]) { res = i; break; } } if (res == 0) cout << "NIE\n"; else { cout << "TAK\n"; int x = 0; if (res == n - 1)x = max(1, res - k + 2); else x = max(1, res - k + 3); for (int i = x; i < min(n, x + k - 1); i++) cout << i << " "; cout << "\n"; } } } |