Amazon Interview Question for Backend Developers


Country: United States
Interview Type: In-Person




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I don't understand this question! Given any matrix, what is the output?

- lixx3527 August 09, 2019 | Flag Reply
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Given boolean matrix of 0s and 1s find size of x that is x should be form from connecting number of of ones. for the below example size of x is 3.
include element 1st, midle,last right,last from last row,midle,last from fistmrt row element that forms x.
1 1 1
1 1 1
1 1 1
If input matrix is
1 0 0
1 1 1
1 1 1.
Output: 0
We not find x in matrix

- Rising star August 10, 2019 | Flag
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int arr[][]={{1,1,1},{1,1,1},{1,1,1}};
System.out.println("arr.length is: "+arr.length);
for(int m=0;m<arr.length;m++) {
if(arr.length-m-1 == m) {
System.out.print(" "+arr[m][m]+" ");
System.out.println();
} else {
System.out.print(arr[m][m]+" "+arr[arr.length-m-1][m]);
System.out.println();
}

}

- esve August 09, 2019 | Flag Reply
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int arr[][]={{1,1,1},{1,1,1},{1,1,1}};
        System.out.println("arr.length is: "+arr.length);
        for(int m=0;m<arr.length;m++) {
            if(arr.length-m-1 == m) {
                System.out.print(" "+arr[m][m]+" ");
                System.out.println();
            } else {
                System.out.print(arr[m][m]+" "+arr[arr.length-m-1][m]);
                System.out.println();
            }

        }

- esve August 09, 2019 | Flag Reply
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of 0 vote

int arr[][]={{1,1,1},{1,1,1},{1,1,1}};

System.out.println("arr.length is: "+arr.length);

for(int m=0;m<arr.length;m++) {
if(arr.length-m-1 == m) {
System.out.print(" "+arr[m][m]+" ");
System.out.println();
} else {
System.out.print(arr[m][m]+" "+arr[arr.length-m-1][m]);
System.out.println();
}

}

- It looks like you're typing some code. Surround it with {{{ and }}} to preserve whitespace properly. August 09, 2019 | Flag Reply


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