Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for( i = 0; i < prieteni[nod].size(); i++ ) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:22: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=] 50 | fprintf( fout, "%d ", prieteni[i + 1].size() ); | ~^ ~~~~~~~~~~~~~~~~~~~~~~ | | | | int std::vector<int>::size_type {aka long unsigned int} | %ld main.cpp:31:22: warning: unused variable 'p' [-Wunused-variable] 31 | int n, m, i, x, y, p, j, frnd; | ^ main.cpp:31:25: warning: unused variable 'j' [-Wunused-variable] 31 | int n, m, i, x, y, p, j, frnd; | ^ main.cpp:31:28: warning: unused variable 'frnd' [-Wunused-variable] 31 | int n, m, i, x, y, p, j, frnd; | ^~~~