You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
753 B
C++
30 lines
753 B
C++
#include <cstdio>
|
|
#include <cstring>
|
|
char a[1 << 20 | 1], b[1 << 14 | 1];
|
|
int next[1 << 14 | 1], la, lb;
|
|
int main()
|
|
{
|
|
next[0] = -1;
|
|
int n;
|
|
scanf("%d", &n);
|
|
while (n--)
|
|
{
|
|
scanf("%s%s", b, a);
|
|
la = strlen(a), lb = strlen(b);
|
|
for (int i = 1, j = -1; i < lb; i++)
|
|
{
|
|
while (~j && b[j + 1] != b[i]) j = next[j];
|
|
if (b[j + 1] == b[i]) j++;
|
|
next[i] = j;
|
|
}
|
|
int ans = 0;
|
|
for (int i = 0, j = -1; i < la; i++)
|
|
{
|
|
while (~j && b[j + 1] != a[i]) j = next[j];
|
|
if (b[j + 1] == a[i]) j++;
|
|
if (j == lb - 1) ans++, j = next[j];
|
|
}
|
|
printf("%d\n", ans);
|
|
}
|
|
return 0;
|
|
} |