Eroare de compilare: user.cpp:4:32: error: ‘int index [4400]’ redeclared as different kind of symbol int seen[5],number=0,index[4400],circular[4400],inverted[4400],swaped[4400],which[30]; ^ 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 ‘void Backtracking(int, int)’: user.cpp:10:20: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript index[value]=number; ^ user.cpp: In function ‘void Precompute()’: user.cpp:31:35: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript base[index[circular[value]]][i]=p1; ^ user.cpp:32:35: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript base[index[inverted[value]]][i]=p2; ^ user.cpp:33:33: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript base[index[swaped[value]]][i]=p3; ^ user.cpp:27:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,value; ^ user.cpp: In function ‘int main()’: user.cpp:65:22: warning: unused variable ‘i’ [-Wunused-variable] int tests,test,n,i,j,k; ^ user.cpp:63:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hprob.in","r",stdin); ^ user.cpp:64:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hprob.out","w",stdout); ^ user.cpp:67:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&tests); ^ user.cpp:69:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lf%lf%lf",&n,&p1,&p2,&p3); ^