POJ 3461
题目大意
暂无
题目解法
暂无
RTFC
#include <cstdio>
#include <cstring>
char a[1 << 20 | 1], b[1 << 14 | 1];
int la, lb;
int next[1 << 14 | 1];
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;
}