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| -rw-r--r-- | challenge-068/mohammad-anwar/swift/ch-1.swift | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/challenge-068/mohammad-anwar/swift/ch-1.swift b/challenge-068/mohammad-anwar/swift/ch-1.swift new file mode 100644 index 0000000000..ea0c701008 --- /dev/null +++ b/challenge-068/mohammad-anwar/swift/ch-1.swift @@ -0,0 +1,90 @@ +import Foundation + +/* +Perl Weekly Challenge - 068 + +Task #1: Zero Matrix + +https://perlweeklychallenge.org/blog/perl-weekly-challenge-068 +*/ + +enum ParamError: Error { + case missingRowsandCols + case missingCols +} + +var rows:Int = 0 +var cols:Int = 0 +var matrix = [[Int]]() + +do { + let paramCount:Int = Int(CommandLine.argc) + + if paramCount <= 1 { + throw ParamError.missingRowsandCols + } + else if paramCount <= 2 { + throw ParamError.missingCols + } + + rows = Int(CommandLine.arguments[1])! + cols = Int(CommandLine.arguments[2])! + matrix = generateMatrix(rows, cols) +} +catch ParamError.missingRowsandCols { + rows = 3 + cols = 3 + matrix = [[1, 0, 1], [1, 1, 1], [1, 0, 1]] +} +catch ParamError.missingCols { + rows = Int(CommandLine.arguments[1])! + cols = 3 + matrix = generateMatrix(rows, cols) +} + +var zeroMatrix:[[Int]] = initZeroMatrix(rows, cols) +for r in 0..<rows { + for c in 0..<cols { + if matrix[r][c] == 0 { + // make zero row + for i in 0..<cols { + zeroMatrix[r][i] = 0 + } + // make zero col + for j in 0..<rows { + zeroMatrix[j][c] = 0 + } + } + } +} + +print(zeroMatrix) + + +// Functions + +func generateMatrix(_ rows:Int, _ cols:Int) -> [[Int]] { + var matrix = [[Int]]() + for _ in 1...rows { + var row:[Int] = [] + for _ in 1...cols { + row.append(Int.random(in: 0..<2)) + } + matrix.append(row) + } + + return matrix +} + +func initZeroMatrix(_ rows:Int, _ cols:Int) -> [[Int]] { + var matrix = [[Int]]() + for _ in 1...rows { + var row:[Int] = [] + for _ in 1...cols { + row.append(1) + } + matrix.append(row) + } + + return matrix +} |