Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:44:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:59:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:69:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(i=1;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:78:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(i=1;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:55:19: warning: unused variable 'prod' [-Wunused-variable] 55 | long long prod; | ^~~~ main.cpp:87:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:30:13: warning: variable 'val' set but not used [-Wunused-but-set-variable] 30 | int i,k,val; | ^~~ main.cpp: In function 'int main()': main.cpp:99:13: warning: unused variable 'j' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^ main.cpp:99:17: warning: unused variable 'l' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^ main.cpp:99:19: warning: unused variable 'op' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^~ main.cpp:99:22: warning: unused variable 't' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^ main.cpp:99:24: warning: unused variable 'm' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^ main.cpp:99:26: warning: unused variable 'val' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^~~ main.cpp:99:30: warning: unused variable 'lin' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^~~ main.cpp:99:34: warning: unused variable 'col' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^~~ main.cpp:99:38: warning: unused variable 'z' [-Wunused-variable] 99 | int n,i,j,k,l,op,t,m,val,lin,col,z,poz1,poz2,x,a,b; | ^