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tile2 - printTile(n-2"2" printTile(n-1"1"...

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// Arup Guha // 11/3/06 // Written in COP 3503 - solves "tile" problem. // Prints out each way to tile a length of n with 1, 2, 3, 4 and 5 unit tiles. / public class tile2 { p public static void main(String[] args) { p // One test case. / printTile(10,""); } public static void printTile(int n, String curtiles) { p // This is invalid. if (n < 0) return; r // Print out the tiles we've already laid out. if (n == 0) { i System.out.println(curtiles); return; } // For starting case, so a comma doesn't precede the first tile. if (curtiles.equals("")) { printTile(n-5, "5"); printTile(n-4, "4"); printTile(n-3, "3");
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Unformatted text preview: printTile(n-2, "2"); printTile(n-1, "1"); } // We can place a tile of length 2, and from that, do all tilings of // length n-2. // OR // We can place a tile of length 1, and from that, do all tilings of // length n-1. else { e char lasttile = curtiles.charAt(curtiles.length()-1); c switch (lasttile) { s case '5': printTile(n-5, curtiles+", 5"); c case '4': printTile(n-4, curtiles+", 4"); case '3': printTile(n-3, curtiles+", 3"); case '2': printTile(n-2, curtiles+", 2"); case '1': printTile(n-1, curtiles+", 1"); c } } } }...
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