#include<bits/stdc++.h> using namespace std; typedef pair<int,int> pii; void solve() { int n, k; cin >> n >> k; vector<int> data(n); for (int& d : data) { cin >> d; } bool sol = false; vector<bool> res(n - 1); if (k == 2) { vector<int> maxSuf(n); maxSuf[n - 1] = data[n - 1]; for (int i = n - 2;i >= 0;i--) { maxSuf[i] = max(maxSuf[i + 1], data[i]); } int minX = data[0]; for (int i = 0;i < n - 1;++i) { minX = min(minX, data[i]); if (minX >= maxSuf[i + 1]) { sol = true; res[i] = true; k--; break; } } } else if (k == 3) { for (int i = 1;i < n - 1;++i) { if (data[i] <= data[0]) { sol = true; res[i - 1] = res[i] = true; k -= 2; break; } } if (!sol) { for (int i = n - 2;i > 0;i--) { if (data[i] >= data[n - 1]) { sol = true; res[i - 1] = res[i] = true; k -= 2; break; } } } } else { for (int i = 1;i < n;++i) { if (data[i] <= data[i - 1]) { sol = true; res[i - 1] = true, k--; if (i > 1) res[i - 2] = true, k--; if (i < n - 1) res[i] = true, k--; break; } } } if (!sol) { cout << "NIE\n"; return; } cout << "TAK\n"; for (int i = 0;i < n - 1;++i) { if (!res[i] && k > 1) res[i] = true, k--; if (res[i]) { cout << i + 1 << " "; } } cout << "\n"; } int32_t main(){ ios::sync_with_stdio(false); cin.tie(nullptr); solve(); }
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 | #include<bits/stdc++.h> using namespace std; typedef pair<int,int> pii; void solve() { int n, k; cin >> n >> k; vector<int> data(n); for (int& d : data) { cin >> d; } bool sol = false; vector<bool> res(n - 1); if (k == 2) { vector<int> maxSuf(n); maxSuf[n - 1] = data[n - 1]; for (int i = n - 2;i >= 0;i--) { maxSuf[i] = max(maxSuf[i + 1], data[i]); } int minX = data[0]; for (int i = 0;i < n - 1;++i) { minX = min(minX, data[i]); if (minX >= maxSuf[i + 1]) { sol = true; res[i] = true; k--; break; } } } else if (k == 3) { for (int i = 1;i < n - 1;++i) { if (data[i] <= data[0]) { sol = true; res[i - 1] = res[i] = true; k -= 2; break; } } if (!sol) { for (int i = n - 2;i > 0;i--) { if (data[i] >= data[n - 1]) { sol = true; res[i - 1] = res[i] = true; k -= 2; break; } } } } else { for (int i = 1;i < n;++i) { if (data[i] <= data[i - 1]) { sol = true; res[i - 1] = true, k--; if (i > 1) res[i - 2] = true, k--; if (i < n - 1) res[i] = true, k--; break; } } } if (!sol) { cout << "NIE\n"; return; } cout << "TAK\n"; for (int i = 0;i < n - 1;++i) { if (!res[i] && k > 1) res[i] = true, k--; if (res[i]) { cout << i + 1 << " "; } } cout << "\n"; } int32_t main(){ ios::sync_with_stdio(false); cin.tie(nullptr); solve(); } |