// Wiktor Cupiał // TU Delft #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define mp make_pair #define pb push_back #define ppb pop_back #define pf push_front #define ppf pop_front #define eb emplace_back #define st first #define nd second #define vt vector #define VAR(__var) #__var << ": " << __var << " " #define PAIR(__var) #__var << ": " << __var.first << ", " << __var.second << " " #define FOR(__var, __start, __end) for(int __var=__start; __var<__end; ++__var) #define FORB(__var, __start, __end) for(int __var=__start; __var>__end; --__var) #define maxi(__x, __y) __x = (__x>__y?__x:__y) #define mini(__x, __y) __x = (__x<__y?__x:__y) #define all(__var) (__var).begin(),(__var).end() #define rall(__var) (__var).rbegin(),(__var).rend() #define sz(__var) (int)(__var).size() #define satori int __test; cin>>__test; while(__test--) #ifndef DEBUG #define DEBUG 0 #endif #define debug if(DEBUG) using namespace std; using namespace __gnu_pbds; template <typename T> using ord_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>; // templeos <3 typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef void u0; typedef bool u1; typedef char u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef float f32; typedef double f64; typedef long double f86; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; const int INF = 1e9+2137; struct Segment { vt<int> t; int base; Segment(int n) { base = 1; while(base < n) base *= 2; t.resize(2*base, INF); } void upd(int v, int x) { v += base; t[v] = x; while(v>1) { v/=2; t[v] = min(t[v*2], t[v*2+1]); } } int get(int l, int r, int tl, int tr, int v) { if(l > tr || r < tl) return INF; if(l <= tl && tr <= r) { return t[v]; } int tm = tl+(tr-tl)/2; return min(get(l, r, tl, tm, 2*v), get(l, r, tm+1, tr, v*2+1)); } int get(int l, int r) { return get(l, r, 0, base-1, 1); } }; void dopchaj(int k, int n, set<int> res) { FOR(i, 1, n+1) { if(k <= 1) break; if(res.count(i)) continue; res.insert(i); --k; } cout << "TAK\n"; for(auto x : res) cout << x << ' '; cout << '\n'; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; vt<int> a(n); Segment seg_max(n), seg_min(n); FOR(i, 0, n) { cin >> a[i]; seg_max.upd(i, -a[i]); seg_min.upd(i, a[i]); } set<int> res; if(k >= 2) { FOR(i, 0, n-1) { if(seg_min.get(0, i) >= -seg_max.get(i+1, n-1)) { res.insert(i+1); --k; break; } } if(sz(res)) { dopchaj(k, n, res); return 0; } } if(k >= 3) { FOR(i, 1, n-1) { if(seg_min.get(0, i-1) >= -seg_max.get(i+1, n-1) || seg_min.get(0, i-1) >= a[i] || -seg_max.get(i+1, n-1) <= a[i]) { res.insert(i); res.insert(i+1); k-=2; break; } } if(sz(res)) { dopchaj(k, n, res); return 0; } } if(k >= 4) { FOR(i, 1, n-2) { if(a[i] >= a[i+1]) { res.insert(i); res.insert(i+1); res.insert(i+2); k-=3; break; } } if(sz(res)) { dopchaj(k, n, res); 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | // Wiktor Cupiał // TU Delft #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define mp make_pair #define pb push_back #define ppb pop_back #define pf push_front #define ppf pop_front #define eb emplace_back #define st first #define nd second #define vt vector #define VAR(__var) #__var << ": " << __var << " " #define PAIR(__var) #__var << ": " << __var.first << ", " << __var.second << " " #define FOR(__var, __start, __end) for(int __var=__start; __var<__end; ++__var) #define FORB(__var, __start, __end) for(int __var=__start; __var>__end; --__var) #define maxi(__x, __y) __x = (__x>__y?__x:__y) #define mini(__x, __y) __x = (__x<__y?__x:__y) #define all(__var) (__var).begin(),(__var).end() #define rall(__var) (__var).rbegin(),(__var).rend() #define sz(__var) (int)(__var).size() #define satori int __test; cin>>__test; while(__test--) #ifndef DEBUG #define DEBUG 0 #endif #define debug if(DEBUG) using namespace std; using namespace __gnu_pbds; template <typename T> using ord_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>; // templeos <3 typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef void u0; typedef bool u1; typedef char u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef float f32; typedef double f64; typedef long double f86; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; const int INF = 1e9+2137; struct Segment { vt<int> t; int base; Segment(int n) { base = 1; while(base < n) base *= 2; t.resize(2*base, INF); } void upd(int v, int x) { v += base; t[v] = x; while(v>1) { v/=2; t[v] = min(t[v*2], t[v*2+1]); } } int get(int l, int r, int tl, int tr, int v) { if(l > tr || r < tl) return INF; if(l <= tl && tr <= r) { return t[v]; } int tm = tl+(tr-tl)/2; return min(get(l, r, tl, tm, 2*v), get(l, r, tm+1, tr, v*2+1)); } int get(int l, int r) { return get(l, r, 0, base-1, 1); } }; void dopchaj(int k, int n, set<int> res) { FOR(i, 1, n+1) { if(k <= 1) break; if(res.count(i)) continue; res.insert(i); --k; } cout << "TAK\n"; for(auto x : res) cout << x << ' '; cout << '\n'; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; vt<int> a(n); Segment seg_max(n), seg_min(n); FOR(i, 0, n) { cin >> a[i]; seg_max.upd(i, -a[i]); seg_min.upd(i, a[i]); } set<int> res; if(k >= 2) { FOR(i, 0, n-1) { if(seg_min.get(0, i) >= -seg_max.get(i+1, n-1)) { res.insert(i+1); --k; break; } } if(sz(res)) { dopchaj(k, n, res); return 0; } } if(k >= 3) { FOR(i, 1, n-1) { if(seg_min.get(0, i-1) >= -seg_max.get(i+1, n-1) || seg_min.get(0, i-1) >= a[i] || -seg_max.get(i+1, n-1) <= a[i]) { res.insert(i); res.insert(i+1); k-=2; break; } } if(sz(res)) { dopchaj(k, n, res); return 0; } } if(k >= 4) { FOR(i, 1, n-2) { if(a[i] >= a[i+1]) { res.insert(i); res.insert(i+1); res.insert(i+2); k-=3; break; } } if(sz(res)) { dopchaj(k, n, res); return 0; } } cout << "NIE\n"; return 0; } |