20 lines
582 B
Swift
20 lines
582 B
Swift
if let n = Int(readLine() ?? "0"){
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var nums:[[Int]] = Array(repeating: Array(repeating: 0 , count: n), count: n)
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for i in 0..<n {
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if let input = readLine(), let numsLine = input.split(separator: " ").compactMap({Int($0)}) as? [Int], numsLine.count == i+1 {
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for j in 0...i {
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nums[i][j] = numsLine[j]
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}
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}
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}
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if n != 1 {
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for i in (0...(n-2)).reversed() {
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for j in 0...i {
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nums[i][j] += max(nums[i+1][j],nums[i+1][j+1])
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}
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}
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}
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print(nums[0][0])
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} |