Compilare: main.cpp: In function 'int findmatch(int)': main.cpp:19:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(i=0;i<adjst[curr].size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:29:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(i=0;i<adjst[curr].size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:13: warning: unused variable 'j' [-Wunused-variable] 43 | int n,i,j,k,l,m,x; | ^ main.cpp:43:15: warning: unused variable 'k' [-Wunused-variable] 43 | int n,i,j,k,l,m,x; | ^ main.cpp:43:17: warning: unused variable 'l' [-Wunused-variable] 43 | int n,i,j,k,l,m,x; | ^