#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <stack> #include <cstdio> #include <set> #include <map> #include <string> #include <queue> #include <stack> #include <unordered_map> using namespace std; typedef long long int LL; typedef long double LD; typedef vector<int> VI; typedef vector<LL> VLL; typedef vector<LD> VLD; typedef vector<string> VS; typedef pair<int, int> PII; typedef vector<PII> VPII; const int INF = 1000000001; const LD EPS = 10e-9; #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define MP make_pair #define PB push_back #define ST first #define ND second #define abs(a) ((a)<0 ? -(a) : (a)) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) int x; vector<vector<int>> board; void resize(const int n, const int m) { board = vector<vector<int>>(n); for(int i = 0; i < n; ++i) board[i] = vector<int>(m); } bool pathExists() { vector<vector<bool>> calcBoard = vector<vector<bool>>(board.size()); for(int i = 0; i < board.size(); ++i) calcBoard[i] = vector<bool>(board[i].size()); calcBoard[0][0] = true; for(int i = 0; i < calcBoard.size(); ++i) { for(int j = 0; j < calcBoard[i].size(); ++j) { if(i == 0 && j == 0) continue; if(board[i][j] == -1) continue; if(i > 0) calcBoard[i][j] = (calcBoard[i][j] || calcBoard[i-1][j]); if(j > 0) calcBoard[i][j] = (calcBoard[i][j] || calcBoard[i][j-1]); } } return calcBoard[calcBoard.size()-1][calcBoard[0].size()-1]; } int main() { ios_base::sync_with_stdio(0); int n, m, k; cin >> n >> m >> k; resize(n, m); while(k--) { int r, c, z; cin >> r >> c >> z; r = (r^x) % n; c = (c^x) % m; board[r][c] = -1; //cout << "(r,c): " << r << ' ' << c << endl; if(pathExists()) { cout << "NIE" << endl; continue; } board[r][c] = 0; x ^= z; cout << "TAK" << endl; } 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 | #include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <stack> #include <cstdio> #include <set> #include <map> #include <string> #include <queue> #include <stack> #include <unordered_map> using namespace std; typedef long long int LL; typedef long double LD; typedef vector<int> VI; typedef vector<LL> VLL; typedef vector<LD> VLD; typedef vector<string> VS; typedef pair<int, int> PII; typedef vector<PII> VPII; const int INF = 1000000001; const LD EPS = 10e-9; #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define MP make_pair #define PB push_back #define ST first #define ND second #define abs(a) ((a)<0 ? -(a) : (a)) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) int x; vector<vector<int>> board; void resize(const int n, const int m) { board = vector<vector<int>>(n); for(int i = 0; i < n; ++i) board[i] = vector<int>(m); } bool pathExists() { vector<vector<bool>> calcBoard = vector<vector<bool>>(board.size()); for(int i = 0; i < board.size(); ++i) calcBoard[i] = vector<bool>(board[i].size()); calcBoard[0][0] = true; for(int i = 0; i < calcBoard.size(); ++i) { for(int j = 0; j < calcBoard[i].size(); ++j) { if(i == 0 && j == 0) continue; if(board[i][j] == -1) continue; if(i > 0) calcBoard[i][j] = (calcBoard[i][j] || calcBoard[i-1][j]); if(j > 0) calcBoard[i][j] = (calcBoard[i][j] || calcBoard[i][j-1]); } } return calcBoard[calcBoard.size()-1][calcBoard[0].size()-1]; } int main() { ios_base::sync_with_stdio(0); int n, m, k; cin >> n >> m >> k; resize(n, m); while(k--) { int r, c, z; cin >> r >> c >> z; r = (r^x) % n; c = (c^x) % m; board[r][c] = -1; //cout << "(r,c): " << r << ' ' << c << endl; if(pathExists()) { cout << "NIE" << endl; continue; } board[r][c] = 0; x ^= z; cout << "TAK" << endl; } return 0; } |