#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; } } } |
English