function minesweeper(matrix) {
    var arr=new Array(matrix.length)
    for (var init=0;init<matrix.length; init++) {
        arr[init]=new Array(matrix[init].length)
    }
    for (var i=0;i<matrix.length;i++) {
        for (var j=0;j<matrix[i].length;j++) {
            if (matrix[i][j]) { arr[i][j]=1 }
            else { arr[i][j]=0 }
        }
    }
    for (var i=0;i<matrix.length;i++) {
        for (var j=0;j<matrix[i].length;j++) {
            var temp=0
            if (i===0 && j===0) {
                matrix[i][j]=arr[i][j+1]+arr[i+1][j]+arr[i+1][j+1]
            }
            else if (i===matrix.length-1 && j===0) {
                matrix[i][j]=arr[i][j+1]+arr[i-1][j]+arr[i-1][j+1]
            }
            else if (j===0) {
                matrix[i][j]=arr[i][j+1]+arr[i-1][j]+arr[i-1][j+1]+arr[i+1][j]+arr[i+1][j+1]
            }
            else if (i===0 && j===matrix[i].length-1) {
                matrix[i][j]=arr[i][j-1]+arr[i+1][j]+arr[i+1][j-1]
            }
            else if (i===matrix.length-1 && j===matrix[i].length-1) {
                matrix[i][j]=arr[i][j-1]+arr[i-1][j]+arr[i-1][j-1]
            }
            else if (j===matrix[i].length-1) {
                matrix[i][j]=arr[i][j-1]+arr[i-1][j]+arr[i-1][j-1]+arr[i+1][j]+arr[i+1][j-1]
            }
            else if (i===0) {
                matrix[i][j]=arr[i][j-1]+arr[i][j+1]+arr[i+1][j-1]+arr[i+1][j]+arr[i+1][j+1]
            }
            else if (i===matrix.length-1) {
                matrix[i][j]=arr[i][j-1]+arr[i][j+1]+arr[i-1][j-1]+arr[i-1][j]+arr[i-1][j+1]
            }
            else {
                matrix[i][j]=arr[i][j-1]+arr[i][j+1]+arr[i-1][j-1]+arr[i-1][j]+arr[i-1][j+1]+arr[i+1][j-1]+arr[i+1][j]+arr[i+1][j+1]
            }
        }
    }
    return matrix
}