sudoku solver app

Sudoku Solver, sudokusolver Solving the sudoku Problem class Solution {public: bool isValid(vector

Original title AddressBacktracking, nothing to say.1 BOOLrow[9][9];2 BOOLcol[9][9];3 BOOLgrid[9][9];4 BOOLmark[9][9];5 6 BOOLSolve (vectorChar> > board,intRintc) {7 if(r = =9)8 return true;9 if(Mark[r][c])Ten returnSolve (board, R + (c +1) /9, (c +1) %9); One for(inti =0; I 9; i++) { A if(!row[r][i] !col[c][i] !grid[(R/3) *3+ C/3][i]) { -Row[r][i] = Col[c][i] = grid[(R/3) *3+ C/3][i] =true; -BOARD[R][C] = i +'1'; the if(Solve (board, R + (c +1) /9, (c +1) %9)) -

Android.os.MessageQueue.next (Mess agequeue.java:143) at Android.os.Looper.loop (looper.java:122) at Android.app.ActivityThread.main (Act ivitythread.java:5312) at Java.lang.reflect.Method.invoke (Native Method) at Java.lang.reflect.Method . Invoke (method.java:372) at Com.android.internal.os.zygoteinit$methodandargscaller.run (zygoteinit.java:901) At Com.android.internal.os.ZygoteInit.main (zygoteinit.java:696)It is easy to find out from log that the array is out of bounds, that we