// Kacper Orszulak #include <cstdio> #include <vector> #include <algorithm> using namespace std; int main(void) { int n, k; scanf("%d %d", &n, &k); vector<int> arr(n), pref_min(n), suffix_max(n); for (int i = 0; i < n; ++i) { scanf("%d", &arr[i]); pref_min[i] = arr[i]; if (i > 0) pref_min[i] = min(pref_min[i], pref_min[i-1]); } for (int i = n-1; i >= 0; --i) { suffix_max[i] = arr[i]; if (i < n-1) suffix_max[i] = max(suffix_max[i], suffix_max[i+1]); } if (k == 2) { bool possible = false; int i = 0; for (; i < n-1; ++i) { if (pref_min[i] >= suffix_max[i+1]) { possible = true; break; } } if (possible) { printf("TAK\n%d\n", i+1); } else { printf("NIE\n"); } } else if (k == 3) { bool possible = false; int i = 0; for (; i < n-2; ++i) { if (pref_min[i] >= arr[i+1]) { possible = true; break; } if (arr[i+1] >= suffix_max[i+2]) { possible = true; break; } } if (possible) { printf("TAK\n%d %d\n", i+1, i+1 +1); } else { printf("NIE\n"); } } else if (k >= 4) { bool possible = false; int i = 0; for (; i < n-1; ++i) { if (arr[i] >= arr[i+1]) { possible = true; break; } } if (!possible) { printf("NIE\n"); } else { vector<int> result; if (i > 0) result.push_back(i-1 +1); result.push_back(i +1); if (i != n-2) result.push_back(i+1 +1); k -= result.size()+1; int j = 0; while (k > 0 && j < n-1) { if (j == i-1 || j == i || j == i+1) { ++j; continue; } result.push_back(j +1); ++j; --k; } sort(result.begin(), result.end()); printf("TAK\n"); for (const int e : result) printf("%d ", e); printf("\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 | // Kacper Orszulak #include <cstdio> #include <vector> #include <algorithm> using namespace std; int main(void) { int n, k; scanf("%d %d", &n, &k); vector<int> arr(n), pref_min(n), suffix_max(n); for (int i = 0; i < n; ++i) { scanf("%d", &arr[i]); pref_min[i] = arr[i]; if (i > 0) pref_min[i] = min(pref_min[i], pref_min[i-1]); } for (int i = n-1; i >= 0; --i) { suffix_max[i] = arr[i]; if (i < n-1) suffix_max[i] = max(suffix_max[i], suffix_max[i+1]); } if (k == 2) { bool possible = false; int i = 0; for (; i < n-1; ++i) { if (pref_min[i] >= suffix_max[i+1]) { possible = true; break; } } if (possible) { printf("TAK\n%d\n", i+1); } else { printf("NIE\n"); } } else if (k == 3) { bool possible = false; int i = 0; for (; i < n-2; ++i) { if (pref_min[i] >= arr[i+1]) { possible = true; break; } if (arr[i+1] >= suffix_max[i+2]) { possible = true; break; } } if (possible) { printf("TAK\n%d %d\n", i+1, i+1 +1); } else { printf("NIE\n"); } } else if (k >= 4) { bool possible = false; int i = 0; for (; i < n-1; ++i) { if (arr[i] >= arr[i+1]) { possible = true; break; } } if (!possible) { printf("NIE\n"); } else { vector<int> result; if (i > 0) result.push_back(i-1 +1); result.push_back(i +1); if (i != n-2) result.push_back(i+1 +1); k -= result.size()+1; int j = 0; while (k > 0 && j < n-1) { if (j == i-1 || j == i || j == i+1) { ++j; continue; } result.push_back(j +1); ++j; --k; } sort(result.begin(), result.end()); printf("TAK\n"); for (const int e : result) printf("%d ", e); printf("\n"); } } return 0; } |