47 lines
877 B
C
47 lines
877 B
C
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/*
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This program ...
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*/
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#include <stdio.h>
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#include <string.h>
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void Unique()
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{
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#define BUFFER_SIZE (1024)
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char buffer1[BUFFER_SIZE];
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char buffer2[BUFFER_SIZE];
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char * buffers[2];
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unsigned ibuffer = 0;
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unsigned first = 1;
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buffers[0] = buffer1;
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buffers[1] = buffer2;
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while (fgets(buffers[ibuffer], BUFFER_SIZE, stdin))
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{
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if (first)
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{
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first = 0;
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fputs(buffers[ibuffer], stdout);
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ibuffer ^= 1;
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}
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else
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{
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if (strcmp(buffers[ibuffer], buffers[ibuffer ^ 1]) != 0)
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{
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fputs(buffers[ibuffer], stdout);
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ibuffer ^= 1;
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}
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else
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{
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/* do nothing */
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}
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}
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}
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}
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int __cdecl main()
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{
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Unique();
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return 0;
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}
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