Compilare: user.cpp: In function ‘void citire()’: user.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < G[x0].size(); ++i) ^ user.cpp: In function ‘void dijkstra()’: user.cpp:74:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < G[vfmin].size(); ++j) ^ user.cpp: In function ‘void citire()’: user.cpp:37:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ user.cpp:40:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&x,&y,&c); ^