Eroare de compilare: user.cpp:6:5: error: ‘int index’ redeclared as different kind of symbol int index=0,i=0; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from user.cpp:2: /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:15:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(s)) ^ user.cpp:18:18: error: no post-increment operator for type index++; ^ user.cpp:21:18: error: no post-decrement operator for type index--; ^ user.cpp:22:22: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator>’ if(index>0) ^ user.cpp:24:28: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator==’ else if(index==0) ^ user.cpp:11:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.in","r",stdin); ^ user.cpp:12:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.out","w",stdout); ^ user.cpp:14:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s); ^