Submission #1697607
Source Code Expand
func isAvailable(x x: Int, y: Int, onBoard b: [[String]]) -> Bool { var board = b board[y][x] = "." for i in 0..<8 { if board[y][i] == "Q" { return false } if board[i][x] == "Q" { return false } } for xx in 0..<8 { let yy = xx - x + y if 0..<8 ~= yy && board[yy][xx] == "Q" { return false } } for xx in 0..<8 { let yy = -xx + x + y if 0..<8 ~= yy && board[yy][xx] == "Q" { return false } } return true } func printBoard(board: [[String]]) { board.forEach { print($0.reduce("", combine: +)) } } func walkBoard(board: [[String]], y: Int) -> Bool { if y == 8 { printBoard(board) return true } var availableX = [Int]() if let i = board[y].indexOf("Q") where isAvailable(x: i, y: y, onBoard: board) { availableX = [i] } else { for x in 0..<8 { if isAvailable(x: x, y: y, onBoard: board) { availableX.append(x) } } } for x in availableX { var newBoard = board newBoard[y][x] = "Q" if walkBoard(newBoard, y: y + 1) { return true } } return false } var board = [[String]]() for _ in 0..<8 { board.append(readLine()!.characters.map(String.init(_:))) } if !walkBoard(board, y: 0) { print("No Answer") }
Submission Info
Submission Time | |
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Task | C - パズルのお手伝い |
User | yamoridon |
Language | Swift (swift-2.2-RELEASE) |
Score | 100 |
Code Size | 1502 Byte |
Status | AC |
Exec Time | 7 ms |
Memory | 896 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
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All | 00_sample1.txt, 00_sample2.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 01_rnd_20.txt, 01_rnd_21.txt, 01_rnd_22.txt, 01_rnd_23.txt, 01_rnd_24.txt, 01_rnd_25.txt, 01_rnd_26.txt, 01_rnd_27.txt, 01_rnd_28.txt, 01_rnd_29.txt, 01_rnd_30.txt, 01_rnd_31.txt, 01_rnd_32.txt, 01_rnd_33.txt, 01_rnd_34.txt, 01_rnd_35.txt, 01_rnd_36.txt, 01_rnd_37.txt, 01_rnd_38.txt, 01_rnd_39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample1.txt | AC | 5 ms | 768 KB |
00_sample2.txt | AC | 5 ms | 768 KB |
01_rnd_00.txt | AC | 5 ms | 768 KB |
01_rnd_01.txt | AC | 5 ms | 768 KB |
01_rnd_02.txt | AC | 5 ms | 768 KB |
01_rnd_03.txt | AC | 5 ms | 768 KB |
01_rnd_04.txt | AC | 5 ms | 768 KB |
01_rnd_05.txt | AC | 7 ms | 896 KB |
01_rnd_06.txt | AC | 5 ms | 768 KB |
01_rnd_07.txt | AC | 5 ms | 768 KB |
01_rnd_08.txt | AC | 5 ms | 768 KB |
01_rnd_09.txt | AC | 5 ms | 768 KB |
01_rnd_10.txt | AC | 5 ms | 768 KB |
01_rnd_11.txt | AC | 5 ms | 768 KB |
01_rnd_12.txt | AC | 5 ms | 768 KB |
01_rnd_13.txt | AC | 5 ms | 768 KB |
01_rnd_14.txt | AC | 5 ms | 768 KB |
01_rnd_15.txt | AC | 5 ms | 768 KB |
01_rnd_16.txt | AC | 5 ms | 768 KB |
01_rnd_17.txt | AC | 5 ms | 768 KB |
01_rnd_18.txt | AC | 5 ms | 768 KB |
01_rnd_19.txt | AC | 5 ms | 768 KB |
01_rnd_20.txt | AC | 6 ms | 768 KB |
01_rnd_21.txt | AC | 5 ms | 768 KB |
01_rnd_22.txt | AC | 5 ms | 768 KB |
01_rnd_23.txt | AC | 5 ms | 768 KB |
01_rnd_24.txt | AC | 5 ms | 768 KB |
01_rnd_25.txt | AC | 5 ms | 768 KB |
01_rnd_26.txt | AC | 6 ms | 768 KB |
01_rnd_27.txt | AC | 5 ms | 768 KB |
01_rnd_28.txt | AC | 5 ms | 768 KB |
01_rnd_29.txt | AC | 5 ms | 768 KB |
01_rnd_30.txt | AC | 5 ms | 768 KB |
01_rnd_31.txt | AC | 5 ms | 768 KB |
01_rnd_32.txt | AC | 5 ms | 768 KB |
01_rnd_33.txt | AC | 5 ms | 768 KB |
01_rnd_34.txt | AC | 5 ms | 768 KB |
01_rnd_35.txt | AC | 5 ms | 768 KB |
01_rnd_36.txt | AC | 5 ms | 768 KB |
01_rnd_37.txt | AC | 5 ms | 768 KB |
01_rnd_38.txt | AC | 5 ms | 768 KB |
01_rnd_39.txt | AC | 5 ms | 768 KB |