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why are you using extra space for array ? I am doing the same without using extra space
int max = Integer.MIN_VALUE,sum=0; for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ sum = arr[i][j]+arr[i][j+1]+arr[i][j+2] +arr[i+1][j+1]+ arr[i+2][j]+arr[i+2][j+1]+arr[i+2][j+2]; if(sum>max){ max=sum; } } } System.out.println(max);
int max = Integer.MIN_VALUE,sum=0; for(int i=0;i<4;i++){
for(int j=0;j<4;j++){ sum = arr[i][j]+arr[i][j+1]+arr[i][j+2] +arr[i+1][j+1]+ arr[i+2][j]+arr[i+2][j+1]+arr[i+2][j+2]; if(sum>max){ max=sum; } } } System.out.println(max);
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Day 11: 2D Arrays
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why are you using extra space for array ? I am doing the same without using extra space