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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/// Prints *str* *times* to standard output.
int
repeat(const int times, const char* str)
{
for (int i = 0; i < times; ++i)
printf("%s", str);
return printf("\n");
}
/// Concatenates strings from *strv*. User needs to free allocated string.
char*
concat(const int strc, const char* strv[])
{
assert(0 < strc);
int i;
int len = 0;
for (i = 0; i < strc; ++i)
len += 1 + strlen(strv[i]);
char* const str = malloc(len);
str[0] = 0;
char* ptr = stpcpy(str, strv[0]);
for (int i = 1; i < strc; ++i) {
*ptr = ' ';
*++ptr = 0;
ptr = stpcpy(ptr, strv[i]);
}
return str;
}
int
main(const int argc, const char* argv[])
{
if (3 > argc)
return 1;
const int times = atoi(argv[1]);
if (1 > times)
return 1;
const char* str = concat(argc - 2, &argv[2]);
return !repeat(times, str);
}
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