#include<iostream> #include<vector> #define inf 1000000000 using namespace std; int main() { int n,k; cin >> n >> k; vector<int>V(n) ; for(auto &i:V) cin >> i ; int last=-1,x=-1 ; for(int i=0;i<n;i++) { if(V[i]<=last) x=i ; last=V[i] ; } if(x==-1) { cout << "NIE" ; return 0; } if(k==2) { vector<int>minnpref(n+1,inf),maxxsuff(n+1,-inf); for(int i=1;i<=n;i++) minnpref[i]=min(minnpref[i-1],V[i-1]) ; for(int i=n-1;i>=0;i--) maxxsuff[i]=max(maxxsuff[i+1],V[i]) ; for(int i=0;i<n-1;i++) { if(minnpref[i+1]>=maxxsuff[i+1]) { cout << "TAK" << endl; cout << i+1; return 0; } } cout << "NIE" << endl ; return 0; } if(k==3) { vector<int>minnpref(n+1,inf),maxxsuff(n+1,-inf) ; for(int i=1;i<=n;i++) minnpref[i]=min(minnpref[i-1],V[i-1]) ; for(int i=n-1;i>=0;i--) maxxsuff[i]=max(maxxsuff[i+1],V[i]) ; for(int i=1;i<n-1;i++) { if(maxxsuff[i+1]<=V[i] || minnpref[i+1]>=V[i]) { cout << "TAK" << endl ; if(i==0) { cout << i+1 << " " << i+2 << endl ; return 0; } cout << i << " " << i+1 << endl ; return 0; } } cout << "NIE" ; return 0; } cout << "TAK" << endl ; int y=min(x,k-3) ; for(int i=1;i<y;i++) cout << i << " " ; cout << x-1 << " " << x << " " << x+1 << " "; y=k-3-y; for(int i=x+2;i<y;i++) cout << i << " " ; }
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 | #include<iostream> #include<vector> #define inf 1000000000 using namespace std; int main() { int n,k; cin >> n >> k; vector<int>V(n) ; for(auto &i:V) cin >> i ; int last=-1,x=-1 ; for(int i=0;i<n;i++) { if(V[i]<=last) x=i ; last=V[i] ; } if(x==-1) { cout << "NIE" ; return 0; } if(k==2) { vector<int>minnpref(n+1,inf),maxxsuff(n+1,-inf); for(int i=1;i<=n;i++) minnpref[i]=min(minnpref[i-1],V[i-1]) ; for(int i=n-1;i>=0;i--) maxxsuff[i]=max(maxxsuff[i+1],V[i]) ; for(int i=0;i<n-1;i++) { if(minnpref[i+1]>=maxxsuff[i+1]) { cout << "TAK" << endl; cout << i+1; return 0; } } cout << "NIE" << endl ; return 0; } if(k==3) { vector<int>minnpref(n+1,inf),maxxsuff(n+1,-inf) ; for(int i=1;i<=n;i++) minnpref[i]=min(minnpref[i-1],V[i-1]) ; for(int i=n-1;i>=0;i--) maxxsuff[i]=max(maxxsuff[i+1],V[i]) ; for(int i=1;i<n-1;i++) { if(maxxsuff[i+1]<=V[i] || minnpref[i+1]>=V[i]) { cout << "TAK" << endl ; if(i==0) { cout << i+1 << " " << i+2 << endl ; return 0; } cout << i << " " << i+1 << endl ; return 0; } } cout << "NIE" ; return 0; } cout << "TAK" << endl ; int y=min(x,k-3) ; for(int i=1;i<y;i++) cout << i << " " ; cout << x-1 << " " << x << " " << x+1 << " "; y=k-3-y; for(int i=x+2;i<y;i++) cout << i << " " ; } |