#include <bits/stdc++.h> using namespace std; typedef long long ll; #ifdef LOCAL #define debug(...) __VA_ARGS__ #else #define debug(...) {} #endif int n,k; int tab[500010]; void solve4(){ int gdzie = -1; for (int i = 1; i < n; i++){ if (tab[i] >= tab[i+1]){ gdzie = i; } } if (gdzie == -1){ cout<<"NIE\n"; return; } cout<<"TAK\n"; k -= 3; vector<int> wy; if (gdzie+1 == n){ k++; } for (int i = gdzie-1; i ; i--){ if (k){ wy.push_back(i); k--; } } reverse(wy.begin(),wy.end()); wy.push_back(gdzie); if (gdzie+1 != n){ wy.push_back(gdzie+1); } for (int i = gdzie+2; i < n; i++){ if (k){ wy.push_back(i); k--; } } for (int j : wy) cout<<j<<" "; cout<<"\n"; return; } void solve3(){ int gdzieminn = 1; for (int i = 1; i < n; i++){ if (tab[i] <= tab[gdzieminn]){ gdzieminn = i; } } if (gdzieminn != 1){ cout<<"TAK\n"; cout<<gdzieminn-1<<" "<<gdzieminn<<"\n"; return; } int gdziemaxx = n; for (int i = n-1; i > 1 ; i--){ if (tab[i] >= tab[gdziemaxx]){ gdziemaxx = i; } } if (gdziemaxx != n){ cout<<"TAK\n"; cout<<gdziemaxx-1<<" "<<gdziemaxx<<"\n"; return; } cout<<"NIE\n"; return; } void solve2(){ int suf[n+1]; suf[n] = tab[n]; for (int i = n-1; i ; i--){ suf[i] = max(suf[i+1],tab[i]); } int minn = tab[1]; int wy = -1; for (int i = 1; i < n; i++){ if (minn >= suf[i+1]){ wy = i; } minn = min(minn,tab[i+1]); } if (wy == -1) cout<<"NIE\n"; else{ cout<<"TAK\n"; cout<<wy<<"\n"; } return; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int i; cin>>n>>k; for (i = 1; i < n+1; i++) cin>>tab[i]; if (k >= 4){ solve4(); return 0; } if (k == 3){ solve3(); return 0; } solve2(); 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | #include <bits/stdc++.h> using namespace std; typedef long long ll; #ifdef LOCAL #define debug(...) __VA_ARGS__ #else #define debug(...) {} #endif int n,k; int tab[500010]; void solve4(){ int gdzie = -1; for (int i = 1; i < n; i++){ if (tab[i] >= tab[i+1]){ gdzie = i; } } if (gdzie == -1){ cout<<"NIE\n"; return; } cout<<"TAK\n"; k -= 3; vector<int> wy; if (gdzie+1 == n){ k++; } for (int i = gdzie-1; i ; i--){ if (k){ wy.push_back(i); k--; } } reverse(wy.begin(),wy.end()); wy.push_back(gdzie); if (gdzie+1 != n){ wy.push_back(gdzie+1); } for (int i = gdzie+2; i < n; i++){ if (k){ wy.push_back(i); k--; } } for (int j : wy) cout<<j<<" "; cout<<"\n"; return; } void solve3(){ int gdzieminn = 1; for (int i = 1; i < n; i++){ if (tab[i] <= tab[gdzieminn]){ gdzieminn = i; } } if (gdzieminn != 1){ cout<<"TAK\n"; cout<<gdzieminn-1<<" "<<gdzieminn<<"\n"; return; } int gdziemaxx = n; for (int i = n-1; i > 1 ; i--){ if (tab[i] >= tab[gdziemaxx]){ gdziemaxx = i; } } if (gdziemaxx != n){ cout<<"TAK\n"; cout<<gdziemaxx-1<<" "<<gdziemaxx<<"\n"; return; } cout<<"NIE\n"; return; } void solve2(){ int suf[n+1]; suf[n] = tab[n]; for (int i = n-1; i ; i--){ suf[i] = max(suf[i+1],tab[i]); } int minn = tab[1]; int wy = -1; for (int i = 1; i < n; i++){ if (minn >= suf[i+1]){ wy = i; } minn = min(minn,tab[i+1]); } if (wy == -1) cout<<"NIE\n"; else{ cout<<"TAK\n"; cout<<wy<<"\n"; } return; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int i; cin>>n>>k; for (i = 1; i < n+1; i++) cin>>tab[i]; if (k >= 4){ solve4(); return 0; } if (k == 3){ solve3(); return 0; } solve2(); return 0; } |