#include <algorithm> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <set> #include <vector> using namespace std; typedef long long ll; typedef long double ld; #define st first #define nd second int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; vector<int> a(n+1); for (int i = 1; i <= n; i++) cin >> a[i]; bool inc = true; for (int i = 2; i <= n; i++) if(a[i] <= a[i-1]) { inc = false; break; } if (inc) { cout << "NIE\n"; return 0; } vector<bool> koniec(n+1); if (k >= 4) { for (int i = 2; i <= n; i++) { if (a[i] <= a[i-1]) { koniec[i-2] = koniec[i-1] = koniec[i] = true; k-=3; if (koniec[0]) k++; break; } } if (!koniec[n]) { koniec[n] = true; k--; } for (int i = 1; i <= n && k > 0; i++) { if (!koniec[i]) { koniec[i] = true; k--; } } cout << "TAK\n"; for (int i = 1; i < n; i++) { if (koniec[i]) cout << i << ' '; } return 0; } if (k == 3) { pair<int, int> minn = {2e9, -1}, maxx = {0, -1}; for (int i = 1; i <= n; i++) { if (a[i] <= minn.st) minn = {a[i], i}; } for (int i = n; i >= 1; i--) { if (a[i] >= maxx.st) maxx = {a[i], i}; } if (minn.nd != 1) { koniec[minn.nd] = koniec[minn.nd-1] = true; k-=2; } else if (maxx.nd != n) { koniec[maxx.nd] = koniec[maxx.nd-1] = true; k-=2; } else { cout << "NIE\n"; return 0; } if (koniec[0]) k++; if (!koniec[n]) k--; for (int i = 1; i <= n && k>0; i++) { if (!koniec[i]) { koniec[i] = true; k--; } } cout << "TAK\n"; for (int i = 1; i < n; i++) if(koniec[i]) cout << i << ' '; return 0; } if (k == 2) { vector<int> minpref(n+1), maxsuf(n+1); minpref[1] = a[1]; for (int i = 2; i <= n; i++) minpref[i] = min(minpref[i-1], a[i]); maxsuf[n] = a[n]; for (int i = n-1; i >= 1; i--) maxsuf[i] = max(maxsuf[i+1], a[i]); for (int i = 2; i <= n; i++) { if (maxsuf[i] <= minpref[i-1]) { cout << "TAK\n" << i-1 << ' '; 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | #include <algorithm> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <set> #include <vector> using namespace std; typedef long long ll; typedef long double ld; #define st first #define nd second int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; vector<int> a(n+1); for (int i = 1; i <= n; i++) cin >> a[i]; bool inc = true; for (int i = 2; i <= n; i++) if(a[i] <= a[i-1]) { inc = false; break; } if (inc) { cout << "NIE\n"; return 0; } vector<bool> koniec(n+1); if (k >= 4) { for (int i = 2; i <= n; i++) { if (a[i] <= a[i-1]) { koniec[i-2] = koniec[i-1] = koniec[i] = true; k-=3; if (koniec[0]) k++; break; } } if (!koniec[n]) { koniec[n] = true; k--; } for (int i = 1; i <= n && k > 0; i++) { if (!koniec[i]) { koniec[i] = true; k--; } } cout << "TAK\n"; for (int i = 1; i < n; i++) { if (koniec[i]) cout << i << ' '; } return 0; } if (k == 3) { pair<int, int> minn = {2e9, -1}, maxx = {0, -1}; for (int i = 1; i <= n; i++) { if (a[i] <= minn.st) minn = {a[i], i}; } for (int i = n; i >= 1; i--) { if (a[i] >= maxx.st) maxx = {a[i], i}; } if (minn.nd != 1) { koniec[minn.nd] = koniec[minn.nd-1] = true; k-=2; } else if (maxx.nd != n) { koniec[maxx.nd] = koniec[maxx.nd-1] = true; k-=2; } else { cout << "NIE\n"; return 0; } if (koniec[0]) k++; if (!koniec[n]) k--; for (int i = 1; i <= n && k>0; i++) { if (!koniec[i]) { koniec[i] = true; k--; } } cout << "TAK\n"; for (int i = 1; i < n; i++) if(koniec[i]) cout << i << ' '; return 0; } if (k == 2) { vector<int> minpref(n+1), maxsuf(n+1); minpref[1] = a[1]; for (int i = 2; i <= n; i++) minpref[i] = min(minpref[i-1], a[i]); maxsuf[n] = a[n]; for (int i = n-1; i >= 1; i--) maxsuf[i] = max(maxsuf[i+1], a[i]); for (int i = 2; i <= n; i++) { if (maxsuf[i] <= minpref[i-1]) { cout << "TAK\n" << i-1 << ' '; return 0; } } cout << "NIE\n"; return 0; } } |