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24 lines
557 B
C++

#include <cstdio>
#include <cstring>
using namespace std;
const int N = 1e5 + 5;
char str[N];
int nxt[N], T;
int main()
{
nxt[0] = -1;
scanf("%d", &T);
while (T--)
{
scanf("%s", str);
int len = strlen(str);
for (int i = 0, j = -1; i < len;)
if (~j && str[j] != str[i])
j = nxt[j];
else
nxt[++i] = ++j;
int ans = len - nxt[len];
printf("%d\n", (len % ans == 0 && ans != len) ? 0 : ans - len % ans);
}
return 0;
}