25 lines
450 B
C
25 lines
450 B
C
#include <assert.h>
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void check_byte(char a)
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{
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char b1[8] = {0}, n1[8] = {0}, b0[8] = {0}, n0[8] = {0};
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#for(i, 8) if ((a & (1 << i)) == (1 << i)) b1[i]++;
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#for(i, 8) if ((a & (1 << i)) != (1 << i)) n1[i]++;
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#for(i, 8) if ((a & (1 << i)) == 0) b0[i]++;
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#for(i, 8) if ((a & (1 << i)) != 0) n0[i]++;
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for(char i=0; i<8; i++)
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{
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assert(b0[i] == n1[i]);
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assert(b1[i] == n0[i]);
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}
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}
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int main(void)
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{
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for(int i=0; i<256; i++)
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check_byte(i);
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} |