#include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back const int MAKS = 1e6 + 2; const ll INF = 1e9; ll tab[MAKS]; bool taken[MAKS]; ll maks_od_prawej[MAKS]; ll min_od_prawej[MAKS]; ll min_od_lewej[MAKS]; ll maks_od_lewej[MAKS]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,k; cin >> n >> k; for(int i = 1 ; i <= n; i++) { cin >> tab[i]; } maks_od_lewej[1] = tab[1]; min_od_lewej[1] = tab[1]; for(int i = 2 ; i <= n; i++) { maks_od_lewej[i] = max(maks_od_lewej[i-1],tab[i]); min_od_lewej[i] = min(min_od_lewej[i-1],tab[i]); } maks_od_prawej[n] = tab[n]; min_od_prawej[n] = tab[n]; for(int i = n-1; i >= 1; i--) { maks_od_prawej[i] = max(maks_od_prawej[i+1], tab[i]); min_od_prawej[i] = min(min_od_prawej[i+1], tab[i]); } string ans = "NIE"; if(k == 2) { ll local_min = INF; for(int i = 1 ; i < n; i++) { //cout << "DEBUG: " << local_min << " " << maks_od_prawej[i+1] << "\n"; if(min_od_lewej[i] >= maks_od_prawej[i+1]) { ans = "TAK"; taken[i] = 1; break; } } } if(k == 3) { for(int i = 2; i <= n-1; i++) { if(tab[i] >= maks_od_prawej[i+1] || tab[i] <= min_od_lewej[i-1]) { ans = "TAK"; taken[i-1] = 1; taken[i] = 1; break; } } } if(k > 3) { for(int i = 1 ; i < n; i++) { if(tab[i] >= min_od_prawej[i+1]) { ans = "TAK"; taken[i-1] = 1; for(int j = i+1; j < n; j++) { if(tab[j] == min_od_prawej[i+1]) { taken[j] = 1; taken[j-1] = 1; } } k -= 4; for(int j = 1; j <= n; j++) { if(k > 0 && taken[j] == 0) { taken[j] = 1; k--; } } break; } } } cout << ans << "\n"; if(ans == "TAK") { for(int i = 1; i < MAKS; i++) { if(taken[i] == 1) cout << i << " "; } cout << "\n"; } }
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 | #include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back const int MAKS = 1e6 + 2; const ll INF = 1e9; ll tab[MAKS]; bool taken[MAKS]; ll maks_od_prawej[MAKS]; ll min_od_prawej[MAKS]; ll min_od_lewej[MAKS]; ll maks_od_lewej[MAKS]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,k; cin >> n >> k; for(int i = 1 ; i <= n; i++) { cin >> tab[i]; } maks_od_lewej[1] = tab[1]; min_od_lewej[1] = tab[1]; for(int i = 2 ; i <= n; i++) { maks_od_lewej[i] = max(maks_od_lewej[i-1],tab[i]); min_od_lewej[i] = min(min_od_lewej[i-1],tab[i]); } maks_od_prawej[n] = tab[n]; min_od_prawej[n] = tab[n]; for(int i = n-1; i >= 1; i--) { maks_od_prawej[i] = max(maks_od_prawej[i+1], tab[i]); min_od_prawej[i] = min(min_od_prawej[i+1], tab[i]); } string ans = "NIE"; if(k == 2) { ll local_min = INF; for(int i = 1 ; i < n; i++) { //cout << "DEBUG: " << local_min << " " << maks_od_prawej[i+1] << "\n"; if(min_od_lewej[i] >= maks_od_prawej[i+1]) { ans = "TAK"; taken[i] = 1; break; } } } if(k == 3) { for(int i = 2; i <= n-1; i++) { if(tab[i] >= maks_od_prawej[i+1] || tab[i] <= min_od_lewej[i-1]) { ans = "TAK"; taken[i-1] = 1; taken[i] = 1; break; } } } if(k > 3) { for(int i = 1 ; i < n; i++) { if(tab[i] >= min_od_prawej[i+1]) { ans = "TAK"; taken[i-1] = 1; for(int j = i+1; j < n; j++) { if(tab[j] == min_od_prawej[i+1]) { taken[j] = 1; taken[j-1] = 1; } } k -= 4; for(int j = 1; j <= n; j++) { if(k > 0 && taken[j] == 0) { taken[j] = 1; k--; } } break; } } } cout << ans << "\n"; if(ans == "TAK") { for(int i = 1; i < MAKS; i++) { if(taken[i] == 1) cout << i << " "; } cout << "\n"; } } |