32 lines
887 B
C
32 lines
887 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char *argv[])
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{
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int j, len, n = 500000;
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char *s = NULL, *p;
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if (argc > 1)
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n = atoi(argv[1]);
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for (j = 0; j < 10; j++) {
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free(s);
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s = strdup("abcdef");
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while ((len = strlen(s)) <= n) {
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p = (char *) malloc(2 * len + 10);
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sprintf(p, "123%s456%s789", s, s);
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free(s);
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s = p;
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len = strlen(s);
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p = (char *) malloc(len + 2);
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strcpy(p, s + len/2);
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strncat(p + len/2, s, len/2+1);
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free(s);
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s = p;
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}
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}
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printf("%d\n", strlen(s));
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return 0;
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}
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