#include<iostream> #include<vector> using namespace std; bool DFS(vector < vector < bool > > pole, int y, int x, int n, int m){ if(y==n and x == m){ return true; }else{ bool right=false;; if(pole[y][x+1]==true){ right = DFS(pole, y, x+1, n, m); } if(right){ return true; }else{ bool down=false; if(pole[y+1][x]==true){ down = DFS(pole, y+1, x, n, m); } return down; } } } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; vector < vector < bool > >pole; vector < int > row; for(int i=0; i<n+2; i++){ vector < bool > row; if(i==0 or i==n+1){ for(int j=0; j<m+2; j++){ row.push_back(false); } }else{ row.push_back(false); for(int j=0; j<m; j++){ row.push_back(true); } row.push_back(false); } pole.push_back(row); } int k; cin >> k; int x=0; for(int i=0; i<k; i++){ int r,c,z; cin >> r >> c >>z; r = (r^x)%n+1; c = (c^x)%m+1; //cout << r << " " << c << endl; pole[r][c]=false; bool road = DFS(pole, 1, 1, n ,m); /*cout << endl ; for(int l=0; l<n+2; l++){ for (int j=0; j<m+2; j++){ cout << pole[l][j]; } cout << endl; } cout << endl;*/ if(road){ cout << "NIE" << endl; }else{ cout << "TAK" << endl; pole[r][c]=true; x=x^z; } } }
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<iostream> #include<vector> using namespace std; bool DFS(vector < vector < bool > > pole, int y, int x, int n, int m){ if(y==n and x == m){ return true; }else{ bool right=false;; if(pole[y][x+1]==true){ right = DFS(pole, y, x+1, n, m); } if(right){ return true; }else{ bool down=false; if(pole[y+1][x]==true){ down = DFS(pole, y+1, x, n, m); } return down; } } } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; vector < vector < bool > >pole; vector < int > row; for(int i=0; i<n+2; i++){ vector < bool > row; if(i==0 or i==n+1){ for(int j=0; j<m+2; j++){ row.push_back(false); } }else{ row.push_back(false); for(int j=0; j<m; j++){ row.push_back(true); } row.push_back(false); } pole.push_back(row); } int k; cin >> k; int x=0; for(int i=0; i<k; i++){ int r,c,z; cin >> r >> c >>z; r = (r^x)%n+1; c = (c^x)%m+1; //cout << r << " " << c << endl; pole[r][c]=false; bool road = DFS(pole, 1, 1, n ,m); /*cout << endl ; for(int l=0; l<n+2; l++){ for (int j=0; j<m+2; j++){ cout << pole[l][j]; } cout << endl; } cout << endl;*/ if(road){ cout << "NIE" << endl; }else{ cout << "TAK" << endl; pole[r][c]=true; x=x^z; } } } |