#include <bits/stdc++.h> //#define DEBUG //#define VALDEBUG using namespace std; int main() { int n, k; cin >> n >> k; vector<int> in(n); for (int i = 0; i < n; i++) cin >> in[i]; if (k == 2) { vector<int> prefmin(n); vector<int> suffmax(n); prefmin[0] = in[0]; suffmax[n - 1] = in[n - 1]; for (int i = 1; i < n; i++) prefmin[i] = min(prefmin[i-1], in[i]); for (int i = n - 2; i >= 0; i--) suffmax[i] = max(suffmax[i + 1], in[i]); for (int i = 0; i < n - 1; i++) { if (prefmin[i] >= suffmax[i + 1]) { cout << "TAK\n"; #ifndef DEBUG cout << i + 1 << '\n'; #endif return 0; } } cout << "NIE\n"; return 0; } else if (k == 3) { int minval = 1e9 + 9; int maxval = -1; int maxpos = -1; int minpos = -1; for (int i = 0; i < n; i++) { if (in[i] <= minval) { minval = in[i]; minpos = i; } } for (int i = n - 1; i >= 0; i--) { if (in[i] >= maxval) { maxval = in[i]; maxpos = i; } } if (minval == maxval || (minpos == 0 && maxpos == n - 1)) { cout << "NIE\n"; return 0; } cout << "TAK\n"; #ifdef VALDEBUG cout << n << " " << k << '\n'; for (int i = 0; i < n; i++) cout << in[i] << " "; cout << '\n'; #endif #ifndef DEBUG if (maxpos == n - 1) { cout << minpos << " " << minpos + 1 << '\n'; } else { if (maxpos == 0) { cout << "1 2\n"; } else { cout << maxpos << " " << maxpos + 1 << '\n'; } } #endif } else { int ans = -1; for (int i = 1; i < n; i++) { if (in[i] <= in[i - 1]) { ans = i + 1; break; } } if (ans == -1) { cout << "NIE\n"; return 0; } cout << "TAK\n"; #ifdef VALDEBUG cout << n << " " << k << '\n'; for (int i = 0; i < n; i++) cout << in[i] << " "; cout << '\n'; #endif #ifndef DEBUG if (ans == 2) { cout << "1 2 "; k -= 2; for (int i = 3; k > 1; k--, i++) cout << i << " "; cout << '\n'; } else { for (int i = 1; i <= n, k > 4; i++, k--) { if (i == ans - 2) { break; } cout << i << " "; } cout << ans - 2 << " " << ans - 1 << " " << ans << " "; k -= 3; for (int i = ans + 1; i <=n, k > 1; k--, i++) cout << i << " "; cout << '\n'; } #endif } }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | #include <bits/stdc++.h> //#define DEBUG //#define VALDEBUG using namespace std; int main() { int n, k; cin >> n >> k; vector<int> in(n); for (int i = 0; i < n; i++) cin >> in[i]; if (k == 2) { vector<int> prefmin(n); vector<int> suffmax(n); prefmin[0] = in[0]; suffmax[n - 1] = in[n - 1]; for (int i = 1; i < n; i++) prefmin[i] = min(prefmin[i-1], in[i]); for (int i = n - 2; i >= 0; i--) suffmax[i] = max(suffmax[i + 1], in[i]); for (int i = 0; i < n - 1; i++) { if (prefmin[i] >= suffmax[i + 1]) { cout << "TAK\n"; #ifndef DEBUG cout << i + 1 << '\n'; #endif return 0; } } cout << "NIE\n"; return 0; } else if (k == 3) { int minval = 1e9 + 9; int maxval = -1; int maxpos = -1; int minpos = -1; for (int i = 0; i < n; i++) { if (in[i] <= minval) { minval = in[i]; minpos = i; } } for (int i = n - 1; i >= 0; i--) { if (in[i] >= maxval) { maxval = in[i]; maxpos = i; } } if (minval == maxval || (minpos == 0 && maxpos == n - 1)) { cout << "NIE\n"; return 0; } cout << "TAK\n"; #ifdef VALDEBUG cout << n << " " << k << '\n'; for (int i = 0; i < n; i++) cout << in[i] << " "; cout << '\n'; #endif #ifndef DEBUG if (maxpos == n - 1) { cout << minpos << " " << minpos + 1 << '\n'; } else { if (maxpos == 0) { cout << "1 2\n"; } else { cout << maxpos << " " << maxpos + 1 << '\n'; } } #endif } else { int ans = -1; for (int i = 1; i < n; i++) { if (in[i] <= in[i - 1]) { ans = i + 1; break; } } if (ans == -1) { cout << "NIE\n"; return 0; } cout << "TAK\n"; #ifdef VALDEBUG cout << n << " " << k << '\n'; for (int i = 0; i < n; i++) cout << in[i] << " "; cout << '\n'; #endif #ifndef DEBUG if (ans == 2) { cout << "1 2 "; k -= 2; for (int i = 3; k > 1; k--, i++) cout << i << " "; cout << '\n'; } else { for (int i = 1; i <= n, k > 4; i++, k--) { if (i == ans - 2) { break; } cout << i << " "; } cout << ans - 2 << " " << ans - 1 << " " << ans << " "; k -= 3; for (int i = ans + 1; i <=n, k > 1; k--, i++) cout << i << " "; cout << '\n'; } #endif } } |