Compilare: user.cpp: In function ‘bool Check(int)’: user.cpp:79:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(l=0; l<g[i].size(); l++) ^ user.cpp: In function ‘void dijsktra(int, int*)’: user.cpp:105:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<g[node].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:147:32: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ans/10<<"."<<ans%10; ^ user.cpp:135:16: warning: ‘sum’ may be used uninitialized in this function [-Wmaybe-uninitialized] mij=(st+dr)/2; ^