#include<bits/stdc++.h> using namespace std; const int MAXN = 5e5; void solve2(vector<int>& t) { int n = t.size(); vector<int> mn(n), mx(n); mn[0] = t[0]; for(int i=1;i<n;i++) mn[i] = min(mn[i-1], t[i]); mx[n-1] = t[n-1]; for(int i=n-2;i>=0;i--) mx[i] = max(mx[i+1], t[i]); for(int i=0;i<n-1;i++) if(mn[i] >= mx[i+1]) { cout << "TAK\n" << i+1 << "\n"; return; } cout << "NIE\n"; } void solve3(vector<int>& t) { int n = t.size(); vector<int> mn(n), mx(n); mn[0] = t[0]; for(int i=1;i<n;i++) mn[i] = min(mn[i-1], t[i]); mx[n-1] = t[n-1]; for(int i=n-2;i>=0;i--) mx[i] = max(mx[i+1], t[i]); for(int i=1;i<n-1;i++) if(mn[i] >= t[i] || t[i] >= mx[i]) { cout << "TAK\n" << i << " " << i+1 << "\n"; return; } cout << "NIE\n"; } bool cnt[MAXN+1]; int cnt_siz = 0; void insert(vector<int> t, int n) { for(int i : t) if(0 < i && i < n && !cnt[i]) cnt[i] = true, cnt_siz++; } void solveBig(vector<int>& t, int k) { int n = t.size(); int a = -1, b = -1; for(int i=0;i<n-1;i++) if(t[i] >= t[i+1]) { a = i; b = i+1; break; } if(a == -1) { cout << "NIE\n"; return; } insert({a,a+1,b,b+1}, n); for(int i=1;i<=n-1 && cnt_siz < k-1;i++) insert({i}, n); cout << "TAK\n"; for(int i=1;i<n;i++) if(cnt[i]) cout << i << " "; cout << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n,k; cin >> n >> k; vector<int> t(n); for(int& i : t) cin >> i; if(k == 2) solve2(t); else if(k == 3) solve3(t); else solveBig(t,k); 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 | #include<bits/stdc++.h> using namespace std; const int MAXN = 5e5; void solve2(vector<int>& t) { int n = t.size(); vector<int> mn(n), mx(n); mn[0] = t[0]; for(int i=1;i<n;i++) mn[i] = min(mn[i-1], t[i]); mx[n-1] = t[n-1]; for(int i=n-2;i>=0;i--) mx[i] = max(mx[i+1], t[i]); for(int i=0;i<n-1;i++) if(mn[i] >= mx[i+1]) { cout << "TAK\n" << i+1 << "\n"; return; } cout << "NIE\n"; } void solve3(vector<int>& t) { int n = t.size(); vector<int> mn(n), mx(n); mn[0] = t[0]; for(int i=1;i<n;i++) mn[i] = min(mn[i-1], t[i]); mx[n-1] = t[n-1]; for(int i=n-2;i>=0;i--) mx[i] = max(mx[i+1], t[i]); for(int i=1;i<n-1;i++) if(mn[i] >= t[i] || t[i] >= mx[i]) { cout << "TAK\n" << i << " " << i+1 << "\n"; return; } cout << "NIE\n"; } bool cnt[MAXN+1]; int cnt_siz = 0; void insert(vector<int> t, int n) { for(int i : t) if(0 < i && i < n && !cnt[i]) cnt[i] = true, cnt_siz++; } void solveBig(vector<int>& t, int k) { int n = t.size(); int a = -1, b = -1; for(int i=0;i<n-1;i++) if(t[i] >= t[i+1]) { a = i; b = i+1; break; } if(a == -1) { cout << "NIE\n"; return; } insert({a,a+1,b,b+1}, n); for(int i=1;i<=n-1 && cnt_siz < k-1;i++) insert({i}, n); cout << "TAK\n"; for(int i=1;i<n;i++) if(cnt[i]) cout << i << " "; cout << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n,k; cin >> n >> k; vector<int> t(n); for(int& i : t) cin >> i; if(k == 2) solve2(t); else if(k == 3) solve3(t); else solveBig(t,k); return 0; } |