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publicstaticintdiagonalDifference(List<List<Integer>>arr){// Write your code hereintarr_size=arr.size();intd1=0;intd2=0;for(inti=0;i<arr_size;i++){d1+=arr.get(i).get(i);d2+=arr.get(i).get(arr_size-i-1);}returnMath.abs(d1-d2);}}
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Diagonal Difference
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Java 8