Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:46:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:63:15: warning: unused variable 'trecut' [-Wunused-variable] 63 | int dpval,trecut,valcurr=val[fiu],minim=3005,rasp; | ^~~~~~ main.cpp: In function 'int main()': main.cpp:105:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:91:11: warning: unused variable 'j' [-Wunused-variable] 91 | int i,j,k,a,b; | ^ main.cpp:91:13: warning: unused variable 'k' [-Wunused-variable] 91 | int i,j,k,a,b; | ^ main.cpp: In function 'void dfs2(int, int)': main.cpp:63:22: warning: 'fiu' may be used uninitialized in this function [-Wmaybe-uninitialized] 63 | int dpval,trecut,valcurr=val[fiu],minim=3005,rasp; | ^~~~~~~