apps/sudoku-solver/controllers/sudoku-solver.js
// in the specified column matches the given number.
in the specified column matches the given number.
in the specified column matches the given number .
usedInCol(grid, col, num) {
    for (let row = 0; row < HEIGHT; row++) {
      if (grid[row][col] === num) {
        return true;
      }
    }
    return false;
  }
usedInCol ( grid , col , num ) { for ( let row = 0 ; row < HEIGHT ; row ++ ) { if ( grid [ row ] [ col ] === num ) { return true ; } } return false ; }
in the specified column matches the given number.
in the specified column matches the given number .