Eroare de compilare: main.cpp:6:5: error: 'int index' redeclared as different kind of entity 6 | int index=1; | ^~~~~ In file included from /usr/include/string.h:432, from /usr/include/c++/10/cstring:42, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:48, from main.cpp:1: /usr/include/strings.h:61:1: note: previous declaration 'const char* index(const char*, int)' 61 | index (const char *__s, int __c) __THROW | ^~~~~ main.cpp: In function 'void DFS_t(std::vector<std::vector<int> >, int, int, int)': main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i<graph_t[x].size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS(std::vector<std::vector<int> >, int, int)': main.cpp:25:12: error: cannot resolve overloaded function 'index' based on conversion to type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 25 | viz[x]=index; | ^~~~~ main.cpp:26:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int i=0;i<graph[x].size();i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:39: error: cannot resolve overloaded function 'index' based on conversion to type 'int' 70 | DFS_t(graph_t, n, x, index); | ^ main.cpp:73:26: error: invalid operands of types '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and '<unresolved overloaded function type>' to binary 'operator==' 73 | if(viz[i]==index){ main.cpp:78:20: error: overloaded function with no contextual type information 78 | index+=1; | ^ main.cpp:85:13: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator-' 85 | g<<index-1<<"\n"; | ~~~~~^~ Non zero exit status: 1