O Ranking de Mãos de Poker

class Solution {

public:

bool valid(int i,int j,vector<vector<char>>& board){

unordered_set<char> temp;

for(int x=i;x<i+3;x++){

for(int y=j;y<j+3;y++){

if(board[x][y]!='.' and temp.count(board[x][y]))

return false;

temp.insert(board[x][y]);

}

}

return true;

}

bool isValidSudoku(vector<vector<char>>& board) {

for(int i=0;i<9;i+=3){

for(int j=0;j<9;j+=3)

if(!valid(i,j,board))

return false;

}

unordered_set<char> temp;

for(int i=0;i<9;i++){

temp.clear();

for(int j=0;j<9;j++){

if(board[i][j]!='.' and temp.count(board[i][j]))

return false;

temp.insert(board[i][j]);

}

}

for(int j=0;j<9;j++){

temp.clear();

for(int i=0;i<9;i++){

if(board[i][j]!='.' and temp.count(board[i][j]))

return false;

temp.insert(board[i][j]);

}

}

return true;

}

};