Created
April 14, 2010 12:41
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#include <iostream> | |
#include <algorithm> | |
using namespace std; | |
void kmp(string siano, string igla) | |
{ | |
int P[igla.size()], t = 0, j = 0, i = 1; | |
P[0]=0; P[1]=0; | |
for (int j = 2; j <= igla.size(); j++) | |
{ | |
while ((t>0) && (igla[t] != igla[j-1])) | |
{ | |
t = P[t]; | |
t++; | |
} | |
P[j-1] = igla[t]==igla[j-1]?t:P[t]; | |
} | |
while (i <= siano.size()-igla.size()+1) | |
{ | |
for (j = P[j]; (j<igla.size()) && (igla[j] == siano[i+j-1]); j++); | |
if (j == igla.size()) | |
cout << i << ' '; | |
i += 1>j-P[j]? // Just, | |
1:j-P[j]; // Smile | |
} | |
} | |
int main() | |
{ | |
string siano, igla; | |
srand(time(0)); | |
for (int i = 0; i < 100000; i++) | |
siano += rand()%2?"1":"0"; // Smile | |
for (int i = 0; i < 10; i++) | |
igla += rand()%2?"1":"0"; // Smile | |
kmp(siano, igla); | |
return EXIT_SUCCESS; | |
} |
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