#include <bits/stdc++.h> using namespace std; const int MAXN = 5e5 + 99; const int INF = 1e9 + 99; int n,k; int t[MAXN]; void solve2(){ vector<int> pmin(n+2, INF); vector<int> pmax(n+2, -1); pmin[0] = t[0]; pmax[n-1] = t[n-1]; for(int i = 1; i < n; i++) pmin[i] = min(pmin[i - 1], t[i]); for(int i = n - 2; i >= 0; i--) pmax[i] = max(pmax[i + 1], t[i]); for(int i = 0; i < n - 1; i++){ if(pmin[i] >= pmax[i + 1]){ cout << "TAK\n" << i + 1 << "\n"; return; } } cout << "NIE\n"; } void solve3(){ vector<int> pmin(n+2, INF); vector<int> pmax(n+2, -1); pmin[0] = t[0]; pmax[n-1] = t[n-1]; for(int i = 1; i < n; i++) pmin[i] = min(pmin[i - 1], t[i]); for(int i = n - 2; i >= 0; i--) pmax[i] = max(pmax[i + 1], t[i]); for(int i = 1; i < n - 1; i++){ if(pmin[i - 1] >= t[i] || t[i] >= pmax[i + 1]){ cout << "TAK\n" << i << " " << i + 1 << "\n"; return; } } cout << "NIE\n"; } void solve4(){ for(int i = 0; i < n - 1; i++){ if(t[i] >= t[i + 1]){ cout << "TAK\n"; for(int j = 1; j <= k - 4; j++){ cout << j << " "; } if(i + 3 <= k - 2) cout << k - 2 << " " << k - 1 << " " << k; else{ cout << i << " " << i + 1 << " " << i + 2; } cout << "\n"; return ; } } cout << "NIE\n"; } int main(){ cin >> n >> k; for(int i = 0; i < n; i++) cin >> t[i]; if(k == 2) solve2(); if(k == 3) solve3(); if(k > 3) solve4(); }
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 | #include <bits/stdc++.h> using namespace std; const int MAXN = 5e5 + 99; const int INF = 1e9 + 99; int n,k; int t[MAXN]; void solve2(){ vector<int> pmin(n+2, INF); vector<int> pmax(n+2, -1); pmin[0] = t[0]; pmax[n-1] = t[n-1]; for(int i = 1; i < n; i++) pmin[i] = min(pmin[i - 1], t[i]); for(int i = n - 2; i >= 0; i--) pmax[i] = max(pmax[i + 1], t[i]); for(int i = 0; i < n - 1; i++){ if(pmin[i] >= pmax[i + 1]){ cout << "TAK\n" << i + 1 << "\n"; return; } } cout << "NIE\n"; } void solve3(){ vector<int> pmin(n+2, INF); vector<int> pmax(n+2, -1); pmin[0] = t[0]; pmax[n-1] = t[n-1]; for(int i = 1; i < n; i++) pmin[i] = min(pmin[i - 1], t[i]); for(int i = n - 2; i >= 0; i--) pmax[i] = max(pmax[i + 1], t[i]); for(int i = 1; i < n - 1; i++){ if(pmin[i - 1] >= t[i] || t[i] >= pmax[i + 1]){ cout << "TAK\n" << i << " " << i + 1 << "\n"; return; } } cout << "NIE\n"; } void solve4(){ for(int i = 0; i < n - 1; i++){ if(t[i] >= t[i + 1]){ cout << "TAK\n"; for(int j = 1; j <= k - 4; j++){ cout << j << " "; } if(i + 3 <= k - 2) cout << k - 2 << " " << k - 1 << " " << k; else{ cout << i << " " << i + 1 << " " << i + 2; } cout << "\n"; return ; } } cout << "NIE\n"; } int main(){ cin >> n >> k; for(int i = 0; i < n; i++) cin >> t[i]; if(k == 2) solve2(); if(k == 3) solve3(); if(k > 3) solve4(); } |