#include<bits/stdc++.h> using namespace std; #define nd second #define st first #define pb push_back typedef long long ll; typedef long double ld; const int N = 5 * 100 * 1000 + 7; int tab[N], mi[N], ma[N]; bool cz[N]; void AnsK3(int n) { mi[1] = tab[1]; ma[n] = tab[n]; for(int i = 2; i <= n; ++i) mi[i] = min(mi[i - 1], tab[i]); for(int i = n - 1; i >= 1; --i) ma[i] = max(ma[i + 1], tab[i]); for(int i = 2; i < n; ++i) { if(mi[i - 1] >= tab[i] || ma[i + 1] <= tab[i]) { cout << "TAK\n"; cout << i - 1 << " " << i << "\n"; return; } } cout << "NIE\n"; } void AnsK2(int n) { mi[1] = tab[1]; ma[n] = tab[n]; for(int i = 2; i <= n; ++i) mi[i] = min(mi[i - 1], tab[i]); for(int i = n - 1; i >= 1; --i) ma[i] = max(ma[i + 1], tab[i]); for(int i = 1; i < n; ++i) { if(mi[i] >= ma[i + 1]) { cout << "TAK\n"; cout << i << "\n"; return; } } cout << "NIE\n"; } void Solve() { int n, k, si = 0; bool xd = false; cin >> n >> k; for(int i = 1; i <= n; ++i) { cin >> tab[i]; if(i > 1 && tab[i] <= tab[i - 1] && !xd) { si = i; xd = true; } } if(!xd) {cout << "NIE\n"; return;} if(k == 2) {AnsK2(n); return;} if(k == 3) {AnsK3(n); return;} cz[si] = true; cz[si - 2] = 1; cz[si - 1] = true; cz[n] = true; k -= 4; if(si == n) ++k; if(si == 2) ++k; cout << "TAK\n"; for(int i = 1; i < n; ++i) { if(k > 1 && !cz[i]) {--k; cz[i] = true;} if(cz[i]) cout << i << " "; } cout << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); Solve(); 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 | #include<bits/stdc++.h> using namespace std; #define nd second #define st first #define pb push_back typedef long long ll; typedef long double ld; const int N = 5 * 100 * 1000 + 7; int tab[N], mi[N], ma[N]; bool cz[N]; void AnsK3(int n) { mi[1] = tab[1]; ma[n] = tab[n]; for(int i = 2; i <= n; ++i) mi[i] = min(mi[i - 1], tab[i]); for(int i = n - 1; i >= 1; --i) ma[i] = max(ma[i + 1], tab[i]); for(int i = 2; i < n; ++i) { if(mi[i - 1] >= tab[i] || ma[i + 1] <= tab[i]) { cout << "TAK\n"; cout << i - 1 << " " << i << "\n"; return; } } cout << "NIE\n"; } void AnsK2(int n) { mi[1] = tab[1]; ma[n] = tab[n]; for(int i = 2; i <= n; ++i) mi[i] = min(mi[i - 1], tab[i]); for(int i = n - 1; i >= 1; --i) ma[i] = max(ma[i + 1], tab[i]); for(int i = 1; i < n; ++i) { if(mi[i] >= ma[i + 1]) { cout << "TAK\n"; cout << i << "\n"; return; } } cout << "NIE\n"; } void Solve() { int n, k, si = 0; bool xd = false; cin >> n >> k; for(int i = 1; i <= n; ++i) { cin >> tab[i]; if(i > 1 && tab[i] <= tab[i - 1] && !xd) { si = i; xd = true; } } if(!xd) {cout << "NIE\n"; return;} if(k == 2) {AnsK2(n); return;} if(k == 3) {AnsK3(n); return;} cz[si] = true; cz[si - 2] = 1; cz[si - 1] = true; cz[n] = true; k -= 4; if(si == n) ++k; if(si == 2) ++k; cout << "TAK\n"; for(int i = 1; i < n; ++i) { if(k > 1 && !cz[i]) {--k; cz[i] = true;} if(cz[i]) cout << i << " "; } cout << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); Solve(); return 0; } |