Eroare de compilare: main.cpp: In function 'void dfs_1(int)': main.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i=0; i < ad_1[nod].size();i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs_2(int)': main.cpp:61:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i = 0 ;i < ad_2[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:70:1: error: ISO C++ forbids declaration of 'creare_lista' with no type [-fpermissive] 70 | creare_lista(int m) | ^~~~~~~~~~~~ main.cpp: In function 'int creare_lista(int)': main.cpp:79:1: warning: no return statement in function returning non-void [-Wreturn-type] 79 | } | ^ main.cpp: In function 'int main()': main.cpp:82:11: warning: unused variable 'a' [-Wunused-variable] 82 | int m,a,b,nod,i; | ^ main.cpp:82:13: warning: unused variable 'b' [-Wunused-variable] 82 | int m,a,b,nod,i; | ^ main.cpp:82:19: warning: unused variable 'i' [-Wunused-variable] 82 | int m,a,b,nod,i; | ^ Non zero exit status: 1