#include <bits/stdc++.h> #define iamspeed ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) using namespace std; int n, k, kw4 = 1, kwleft, kwright, mini[500005], maxi[500005], t[500005]; int main(){ iamspeed; cin >> n >> k; for(int i = 1 ; i <= n ; i++){ cin >> t[i]; if(i >= 2 && t[i] <= t[i - 1] && kw4){ kw4 = 0; kwleft = i - 1; kwright = i; } } if(k >= 4){ if(!kw4){ cout << "TAK" << endl; for(int i = max(1, kwright - k + 1 + (kwright != n)) ; k > 1 ; k--, i++) cout << i << " "; cout << endl; return 0; } } else if(k == 3){ for(int i = 2 ; i < n ; i++){ if(t[i] <= t[1]){ cout << "TAK" << endl << i - 1 << " " << i << endl; return 0; } } for(int i = n - 1 ; i > 1 ; i--){ if(t[i] >= t[n]){ cout << "TAK" << endl << i - 1 << " " << i << endl; return 0; } } } else{ mini[1] = t[1]; maxi[n] = t[n]; for(int i = 2 ; i <= n ; i++) mini[i] = min(mini[i - 1], t[i]); for(int i = n - 1; i > 0 ; i--) maxi[i] = max(maxi[i + 1], t[i]); for(int i = 1 ; i < n ; i++){ if(mini[i] >= maxi[i + 1]){ cout << "TAK" << endl << i << endl; return 0; } } } cout << "NIE" << endl; }
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 | #include <bits/stdc++.h> #define iamspeed ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) using namespace std; int n, k, kw4 = 1, kwleft, kwright, mini[500005], maxi[500005], t[500005]; int main(){ iamspeed; cin >> n >> k; for(int i = 1 ; i <= n ; i++){ cin >> t[i]; if(i >= 2 && t[i] <= t[i - 1] && kw4){ kw4 = 0; kwleft = i - 1; kwright = i; } } if(k >= 4){ if(!kw4){ cout << "TAK" << endl; for(int i = max(1, kwright - k + 1 + (kwright != n)) ; k > 1 ; k--, i++) cout << i << " "; cout << endl; return 0; } } else if(k == 3){ for(int i = 2 ; i < n ; i++){ if(t[i] <= t[1]){ cout << "TAK" << endl << i - 1 << " " << i << endl; return 0; } } for(int i = n - 1 ; i > 1 ; i--){ if(t[i] >= t[n]){ cout << "TAK" << endl << i - 1 << " " << i << endl; return 0; } } } else{ mini[1] = t[1]; maxi[n] = t[n]; for(int i = 2 ; i <= n ; i++) mini[i] = min(mini[i - 1], t[i]); for(int i = n - 1; i > 0 ; i--) maxi[i] = max(maxi[i + 1], t[i]); for(int i = 1 ; i < n ; i++){ if(mini[i] >= maxi[i + 1]){ cout << "TAK" << endl << i << endl; return 0; } } } cout << "NIE" << endl; } |