Last change
on this file since 61 was
61,
checked in by porquet, 13 years ago
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add new TP04 folder for students
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File size:
595 bytes
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Line | |
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1 | #include "stdio.h" |
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2 | |
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3 | /////// |
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4 | int main2() |
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5 | { |
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6 | int opx; |
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7 | int opy; |
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8 | |
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9 | tty_puts(" TASK 2 : PGCD \n"); |
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10 | |
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11 | while (1) |
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12 | { |
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13 | tty_puts("\n*******************\n"); |
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14 | tty_puts("operand X = "); |
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15 | tty_getw_irq(&opx); |
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16 | tty_printf("\n"); |
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17 | tty_printf("operand Y = "); |
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18 | tty_getw_irq(&opy); |
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19 | tty_printf("\n"); |
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20 | |
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21 | if( (opx < 1) || (opy < 1) ) |
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22 | { |
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23 | tty_puts("operands must be larger than 0\n"); |
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24 | } |
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25 | else |
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26 | { |
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27 | while (opx != opy) |
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28 | { |
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29 | if(opx > opy) opx = opx - opy; |
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30 | else opy = opy - opx; |
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31 | } |
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32 | tty_printf("pgcd = %d\n", opx); |
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33 | } |
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34 | } |
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35 | return 0; |
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36 | } // end main2 |
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