Eroare de compilare: user.cpp:6:11: error: ‘int index’ redeclared as different kind of symbol int hash1,index=1,hash2,curr,a=107,ans; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:48, from user.cpp:1: /usr/include/string.h:482:1: error: previous declaration of ‘const char* index(const char*, int)’ index (__const char *__s, int __c) __THROW ^ user.cpp: In function ‘int main()’: user.cpp:12:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<pattern.size();i++){ ^ user.cpp:15:14: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator*’ index=(index*a)%MOD1; ^ user.cpp:17:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<pattern.size();j++) ^ user.cpp:23:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=pattern.size();j<text.size();j++) ^ user.cpp:25:48: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator*’ hash2=((hash2-(index*int(text[j-pattern.size()]))%MOD1+MOD1)*a+int(text[j]))%MOD1; ^ user.cpp:9:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r",stdin); ^ user.cpp:10:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w",stdout); ^