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111
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1 int main()
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2 {
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3 unsigned long long table[256];
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4 unsigned int i;
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5 for (i=0; i<256; ++i) {
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6 unsigned long long j;
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7 unsigned char x=i;
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8 for (j=0; j<5; ++j) {
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9 x += x<<1;
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10 x ^= x>>1;
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11 }
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12 for (j=0; j<5; ++j) {
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13 x += x<<1;
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14 x ^= x>>1;
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15 }
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16 for (j=0; j<5; ++j) {
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17 x += x<<1;
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18 x ^= x>>1;
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19 }
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20 for (j=0; j<5; ++j) {
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21 x += x<<1;
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22 x ^= x>>1;
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23 }
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24 for (j=0; j<5; ++j) {
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25 x += x<<1;
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26 x ^= x>>1;
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27 }
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28 table[i] ^= (((unsigned long long)x)<<16);
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29 }
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30 for (i=0; i<256; ++i) {
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31 if ((table[i]&0xff)==i)
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32 return 1;
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33 }
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34 return 0;
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35 }
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36
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