Compilare: main.cpp: In function 'int main()': main.cpp:55:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i=0;i<solutie.size();++i)fout<<solutie[i]<<" "; ~^~~~~~~~~~~~~~~ main.cpp:16:37: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] for(int i=1;i<=1000000;++i)fr[i]=inf; ^ main.cpp:16:18: note: within this loop for(int i=1;i<=1000000;++i)fr[i]=inf; ~^~~~~~~~~