Eroare de compilare: user.cpp:9:5: error: ‘int index’ redeclared as different kind of symbol int index, N, M, K, x, y; ^ 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 ‘void join(int, int)’: user.cpp:75:15: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].a ].push_back(make_pair(v[index].b, v[index].cost)); ^ user.cpp:75:48: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].a ].push_back(make_pair(v[index].b, v[index].cost)); ^ user.cpp:75:60: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].a ].push_back(make_pair(v[index].b, v[index].cost)); ^ user.cpp:76:15: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].b ].push_back(make_pair(v[index].a, v[index].cost)); ^ user.cpp:76:48: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].b ].push_back(make_pair(v[index].a, v[index].cost)); ^ user.cpp:76:60: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript L[ v[index].b ].push_back(make_pair(v[index].a, v[index].cost)); ^ user.cpp: In function ‘void dfs(const int&, const int&)’: user.cpp:85:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[node].size(); i ++) ^ user.cpp: In function ‘int main()’: user.cpp:111:15: error: overloaded function with no contextual type information for(index = 1; index <= M; index ++) ^ user.cpp:111:29: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator<=’ for(index = 1; index <= M; index ++) ^ user.cpp:111:38: error: no post-increment operator for type for(index = 1; index <= M; index ++) ^ user.cpp:113:21: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript join(v[index].a, v[index]. b); ^ user.cpp:113:33: error: invalid types ‘muchie [30010][<unresolved overloaded function type>]’ for array subscript join(v[index].a, v[index]. b); ^