#include "bits/stdc++.h" using namespace std; struct Dimension { Dimension(int n, int m) { tab.resize(n+2); update(n+1, INT_MAX); }; int get(int ix) { int ret = 0; for (int i=ix; i>0; i-=(i&(-i))) ret = max(ret, tab[i]); return ret; } void update(int ix, int value) { for (int i=ix; i<(int)tab.size(); i+=(i&(-i))) tab[i] = max(tab[i], value); } void insert(int p, int q) { inc[p].insert(q); dec[q].insert(p); } void put(int p, int q) { // cerr << "PUT " << p << " " << q << "\n"; if (get(p) >= q or get(p+1) < q-1) return; update(p, q); for (auto it = inc[p-1].begin(); it != inc[p-1].end() and (*it) <= q+1; ) { int val = (*it++); inc[p-1].erase(val); put(p-1, val); } for (auto it = dec[q+1].begin(); it != dec[q+1].end() and (*it) >= p-1; ) { int val = (*it++); dec[q+1].erase(val); put(val, q+1); } } vector<int> tab; unordered_map<int, set<int>> inc; unordered_map<int, set<int, greater<int>>> dec; }; int main() { ios_base::sync_with_stdio(0); int n, m, k; cin >> n >> m >> k; auto X = Dimension(n, m), Y = Dimension(m, n); int x = 0; auto query = [&](int r, int c) { if (X.get(r) > c-1 or Y.get(c) > r-1) return false; if (X.get(r+1) >= c-1 and Y.get(c+1) >= r-1) return true; X.put(r, c); Y.put(c, r); return false; }; while (k--) { int r, c, z; cin >> r >> c >> z; r = (r^x)%n; c = (c^x)%m; if (query(r+1, c+1)) { puts("TAK"); x ^= z; } else { puts("NIE"); X.insert(r+1, c+1); Y.insert(c+1, r+1); } } }
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 | #include "bits/stdc++.h" using namespace std; struct Dimension { Dimension(int n, int m) { tab.resize(n+2); update(n+1, INT_MAX); }; int get(int ix) { int ret = 0; for (int i=ix; i>0; i-=(i&(-i))) ret = max(ret, tab[i]); return ret; } void update(int ix, int value) { for (int i=ix; i<(int)tab.size(); i+=(i&(-i))) tab[i] = max(tab[i], value); } void insert(int p, int q) { inc[p].insert(q); dec[q].insert(p); } void put(int p, int q) { // cerr << "PUT " << p << " " << q << "\n"; if (get(p) >= q or get(p+1) < q-1) return; update(p, q); for (auto it = inc[p-1].begin(); it != inc[p-1].end() and (*it) <= q+1; ) { int val = (*it++); inc[p-1].erase(val); put(p-1, val); } for (auto it = dec[q+1].begin(); it != dec[q+1].end() and (*it) >= p-1; ) { int val = (*it++); dec[q+1].erase(val); put(val, q+1); } } vector<int> tab; unordered_map<int, set<int>> inc; unordered_map<int, set<int, greater<int>>> dec; }; int main() { ios_base::sync_with_stdio(0); int n, m, k; cin >> n >> m >> k; auto X = Dimension(n, m), Y = Dimension(m, n); int x = 0; auto query = [&](int r, int c) { if (X.get(r) > c-1 or Y.get(c) > r-1) return false; if (X.get(r+1) >= c-1 and Y.get(c+1) >= r-1) return true; X.put(r, c); Y.put(c, r); return false; }; while (k--) { int r, c, z; cin >> r >> c >> z; r = (r^x)%n; c = (c^x)%m; if (query(r+1, c+1)) { puts("TAK"); x ^= z; } else { puts("NIE"); X.insert(r+1, c+1); Y.insert(c+1, r+1); } } } |