#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin>>n>>k; vector <int> a(n); for(int i=0; i<n; ++i) cin>>a[i]; int j; bool increasing=1; for(int i=1; i<n; ++i) { if(a[i]<=a[i-1]) { increasing=0; j=i; break; } } if(increasing) { cout<<"NIE\n"; return 0; } if(k==2) { vector <int> mini(n), maxi(n); mini[0]=a[0]; for(int i=1; i<n; ++i) mini[i]=min(mini[i-1], a[i]); maxi[n-1]=a[n-1]; for(int i=n-2; i>=0; --i) maxi[i]=max(maxi[i+1], a[i]); for(int i=0; i<n-1; ++i) { if(mini[i]>=maxi[i+1]) { cout<<"TAK\n"; cout<<i+1<<"\n"; return 0; } } } else if(k==3) { vector <int> mini(n), maxi(n); mini[0]=a[0]; for(int i=1; i<n; ++i) mini[i]=min(mini[i-1], a[i]); maxi[n-1]=a[n-1]; for(int i=n-2; i>=0; --i) maxi[i]=max(maxi[i+1], a[i]); for(int i=1; i<n-1; ++i) { if(mini[i-1]>=a[i] || a[i]>=maxi[i+1]) { cout<<"TAK\n"; cout<<i<<" "<<i+1<<"\n"; return 0; } } } else { cout<<"TAK\n"; if(j==n-1) { for(int i=0; i<n; ++i) { if(k>3 || i==j-2 || i==j-1) { cout<<i+1<<" "; --k; } } } else { for(int i=0; i<n; ++i) { if(k>4 || i==j-2 || i==j-1 || i==j || (i>j && k>1)) { cout<<i+1<<" "; --k; } } } cout<<"\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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | #include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin>>n>>k; vector <int> a(n); for(int i=0; i<n; ++i) cin>>a[i]; int j; bool increasing=1; for(int i=1; i<n; ++i) { if(a[i]<=a[i-1]) { increasing=0; j=i; break; } } if(increasing) { cout<<"NIE\n"; return 0; } if(k==2) { vector <int> mini(n), maxi(n); mini[0]=a[0]; for(int i=1; i<n; ++i) mini[i]=min(mini[i-1], a[i]); maxi[n-1]=a[n-1]; for(int i=n-2; i>=0; --i) maxi[i]=max(maxi[i+1], a[i]); for(int i=0; i<n-1; ++i) { if(mini[i]>=maxi[i+1]) { cout<<"TAK\n"; cout<<i+1<<"\n"; return 0; } } } else if(k==3) { vector <int> mini(n), maxi(n); mini[0]=a[0]; for(int i=1; i<n; ++i) mini[i]=min(mini[i-1], a[i]); maxi[n-1]=a[n-1]; for(int i=n-2; i>=0; --i) maxi[i]=max(maxi[i+1], a[i]); for(int i=1; i<n-1; ++i) { if(mini[i-1]>=a[i] || a[i]>=maxi[i+1]) { cout<<"TAK\n"; cout<<i<<" "<<i+1<<"\n"; return 0; } } } else { cout<<"TAK\n"; if(j==n-1) { for(int i=0; i<n; ++i) { if(k>3 || i==j-2 || i==j-1) { cout<<i+1<<" "; --k; } } } else { for(int i=0; i<n; ++i) { if(k>4 || i==j-2 || i==j-1 || i==j || (i>j && k>1)) { cout<<i+1<<" "; --k; } } } cout<<"\n"; return 0; } cout<<"NIE\n"; return 0; } |