Pagini recente » Cod sursa (job #1952643) | Cod sursa (job #170247) | Cod sursa (job #837035) | Cod sursa (job #1133574) | Cod sursa (job #102540)
Cod sursa(job #102540)
#include <stdio.h>
#include <vector>
#include <set>
using namespace std;
#define pb push_back
#define MOD 700001
#define NMAX 10000010
inline long long f(int n)
{
if(n == 0) return 1;
long long p = 1;
for(int i = 1; i < n; ++i)
p = (long long)p * 3;
return p;
}
char s[NMAX], c[21];
int n;
long long res;
set<long long> h[MOD];
void read()
{
scanf("%s", c);
if(!n)
n = strlen(c);
long long x = 0;
for(int i = 0; i < n; ++i)
x = (long long)x*3 + (c[i]-'a');
//h[x % MOD].insert(x);
h[0].insert(x);
//printf("x %d\n", x);
}
int main()
{
freopen("abc2.in", "r", stdin);
freopen("abc2.out", "w", stdout);
scanf("%s", s);
while(!feof(stdin))
read();
long long t = 0, p = f(n);
for(int i = 0; i < n; ++i)
t = (long long)t*3 + (s[i]-'a');
set<long long> :: iterator it;
long long until = strlen(s)-n, aux;
for(int i = 0; i <= until; ++i)
{
aux = t % MOD;// printf("%d\n", t);
if(h[0].find(t) != h[aux].end())
++res;
t = (long long)t - p*(s[i]-'a');
t = (long long)t*3 + (s[i+n]-'a');
}
printf("%lld\n", res);
return 0;
}