IK
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IK
IK
t
ЛХ
diagonalDifference (arr: [[Int]]) -> Int {
var leftToRight = 0
var rightToLeft = 0
for i
in 0 ..< arr.count {
leftToRight += arr[i][i]
rightToLeft += arr[i][arr.count - i - 1]
}
return abs(leftToRight - rightToLeft)
}
ЛХ
IK
NA
S
DP
DP
Б