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31 lines
511 B
31 lines
511 B
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#ifndef MAX_BUF
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#define MAX_BUF (1024 * 1024 * 1) // 1m
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#endif
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//__attribute__((optnone)) int
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int
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main(void)
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{
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char *d = malloc(MAX_BUF + 1);
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int r = read(0, d, MAX_BUF);
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// unsigned long long st = getcycles(), en = 0;
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// wrk();
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// en = getcycles();
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// if (r <= 0) printf("%llu\n", en > st ? (en - st)/CPU_CYCS : -1);
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if (r < 0)
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printf("E\n");
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else if (r <= 1)
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printf("D\n");
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else
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write(1, d, r);
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return 0;
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}
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