Eroare de compilare: main.cpp: In function 'int main()': main.cpp:25:11: warning: unused variable 'j' [-Wunused-variable] int i,j,a,b; ^ main.cpp: At global scope: main.cpp:48:13: error: redefinition of 'std::ifstream fin' ifstream fin("BFS.in"); ^ main.cpp:6:10: note: 'std::ifstream fin' previously declared here ifstream fin("dfs.in"); ^~~ main.cpp:49:14: error: redefinition of 'std::ofstream fout' ofstream fout("BFS.out"); ^ main.cpp:7:10: note: 'std::ofstream fout' previously declared here ofstream fout("dfs.out"); ^~~~ main.cpp:51:16: error: redefinition of 'std::vector<int> v [101]' vector<int> v[N]; ^ main.cpp:9:13: note: 'std::vector<int> v [101]' previously declared here vector<int> v[N]; ^ main.cpp:53:11: error: redefinition of 'bool viz [101]' bool viz[N]; ^ main.cpp:10:6: note: 'bool viz [101]' previously declared here bool viz[N]; ^~~ main.cpp:54:10: error: redefinition of 'int n' int d[N],n,m,x; ^ main.cpp:11:5: note: 'int n' previously declared here int n,m,x; ^ main.cpp:54:12: error: redefinition of 'int m' int d[N],n,m,x; ^ main.cpp:11:7: note: 'int m' previously declared here int n,m,x; ^ main.cpp:54:14: error: redefinition of 'int x' int d[N],n,m,x; ^ main.cpp:11:9: note: 'int x' previously declared here int n,m,x; ^ main.cpp: In function 'int main()': main.cpp:56:5: error: redefinition of 'int main()' int main() Non zero exit status: 1