Last change
on this file since 279 was 279, checked in by coas-nagasima, 7 years ago |
ファイルを追加、更新。
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Property svn:eol-style
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native
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Property svn:keywords
set to
Id
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Property svn:mime-type
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text/x-csrc
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File size:
390 bytes
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1 | #include <stdlib.h>
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2 | #include <stdio.h>
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3 |
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4 | int fib(n)
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5 | {
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6 | if (n <= 2)
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7 | return 1;
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8 | else
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9 | return fib(n-1) + fib(n-2);
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10 | }
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11 |
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12 | int main(int argc, char **argv)
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13 | {
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14 | int n;
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15 | if (argc < 2) {
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16 | printf("usage: fib n\n"
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17 | "Compute nth Fibonacci number\n");
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18 | return 1;
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19 | }
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20 |
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21 | n = atoi(argv[1]);
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22 | printf("fib(%d) = %d\n", n, fib(n, 2));
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23 | return 0;
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24 | }
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