Floyd's triangle: Difference between revisions
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(→{{header|Pascal}}: Marked incorrect due to spacing of output.) |
(→{{header|Ada}}: Added Ada version) |
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# Write a program to generate and display here the first n lines of a Floyd triangle.<br>(Use n=5 and n=14 rows). |
# Write a program to generate and display here the first n lines of a Floyd triangle.<br>(Use n=5 and n=14 rows). |
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# Ensure that when displayed in a monospace font, the numbers line up in vertical columns as shown and that only one space separates numbers of the last row. |
# Ensure that when displayed in a monospace font, the numbers line up in vertical columns as shown and that only one space separates numbers of the last row. |
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=={{header|Ada}}== |
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<lang Ada>with Ada.Text_IO, Ada.Integer_Text_IO, Ada.Command_Line; |
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procedure Floyd_Triangle is |
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Rows: constant Positive := Integer'Value(Ada.Command_Line.Argument(1)); |
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Last_Number:constant Positive := (Rows * (Rows+1)) / 2; |
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Width: constant Positive := Integer'Image(Last_Number)'Length; |
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Current: Positive := 1; |
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begin |
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for Line in 1 .. Rows loop |
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for Column in 1 .. Line loop |
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Ada.Integer_Text_IO.Put(Current, Width => Num_Of_Digits); |
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Current := Current + 1; |
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end loop; |
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Ada.Text_IO.New_Line; |
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end loop; |
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end Floyd_Triangle;</lang> |
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{{out}} |
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<pre>> ./floyd_triangle 5 |
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1 |
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2 3 |
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4 5 6 |
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7 8 9 10 |
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11 12 13 14 15 |
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> ./floyd_triangle 14 |
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1 |
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2 3 |
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4 5 6 |
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7 8 9 10 |
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11 12 13 14 15 |
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16 17 18 19 20 21 |
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22 23 24 25 26 27 28 |
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29 30 31 32 33 34 35 36 |
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37 38 39 40 41 42 43 44 45 |
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46 47 48 49 50 51 52 53 54 55 |
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56 57 58 59 60 61 62 63 64 65 66 |
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67 68 69 70 71 72 73 74 75 76 77 78 |
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79 80 81 82 83 84 85 86 87 88 89 90 91 |
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92 93 94 95 96 97 98 99 100 101 102 103 104 105</pre> |
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=={{header|D}}== |
=={{header|D}}== |
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