#include <bits/stdc++.h> using namespace std; constexpr int MAXN = 500005; int a[MAXN]; int min_pr[MAXN]; int max_sf[MAXN]; int main(){ int n, k; cin >> n >> k; min_pr[0] = INT_MAX; for(int i = 1; i <= n; i++){ cin >> a[i]; min_pr[i] = min(min_pr[i-1], a[i]); } for(int i = n; i >= 1; i--){ max_sf[i] = max(max_sf[i+1], a[i]); } vector<int> res; if(k >= 4){ int mn = -1; for(int i = 1; i < n; i++){ if(a[i] >= a[i+1]){ mn = i; break; } } if(mn == -1){ cout << "NIE\n"; return 0; } int i = 1; for(int j = 0; j < k-4; j++){ if(i == mn-1){ res.push_back(mn-1); res.push_back(mn); res.push_back(mn+1); mn = -1; i += 3; } res.push_back(i); i++; } if(mn > 0){ res.push_back(mn-1); res.push_back(mn); res.push_back(mn+1); } cout << "TAK\n"; for(int i : res) cout << i << ' '; return 0; } else if(k == 3){ for(int i = 2; i < n; i++){ if(min_pr[i-1] >= a[i] || a[i] >= max_sf[i+1]){ cout << "TAK\n"; cout << i - 1 << ' ' << i << '\n'; return 0; } } } else{ for(int i = 1; i < n; i++){ if(min_pr[i] >= max_sf[i+1]){ cout << "TAK\n"; cout << i << '\n'; return 0; } } } cout << "NIE\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 | #include <bits/stdc++.h> using namespace std; constexpr int MAXN = 500005; int a[MAXN]; int min_pr[MAXN]; int max_sf[MAXN]; int main(){ int n, k; cin >> n >> k; min_pr[0] = INT_MAX; for(int i = 1; i <= n; i++){ cin >> a[i]; min_pr[i] = min(min_pr[i-1], a[i]); } for(int i = n; i >= 1; i--){ max_sf[i] = max(max_sf[i+1], a[i]); } vector<int> res; if(k >= 4){ int mn = -1; for(int i = 1; i < n; i++){ if(a[i] >= a[i+1]){ mn = i; break; } } if(mn == -1){ cout << "NIE\n"; return 0; } int i = 1; for(int j = 0; j < k-4; j++){ if(i == mn-1){ res.push_back(mn-1); res.push_back(mn); res.push_back(mn+1); mn = -1; i += 3; } res.push_back(i); i++; } if(mn > 0){ res.push_back(mn-1); res.push_back(mn); res.push_back(mn+1); } cout << "TAK\n"; for(int i : res) cout << i << ' '; return 0; } else if(k == 3){ for(int i = 2; i < n; i++){ if(min_pr[i-1] >= a[i] || a[i] >= max_sf[i+1]){ cout << "TAK\n"; cout << i - 1 << ' ' << i << '\n'; return 0; } } } else{ for(int i = 1; i < n; i++){ if(min_pr[i] >= max_sf[i+1]){ cout << "TAK\n"; cout << i << '\n'; return 0; } } } cout << "NIE\n"; return 0; } |