Compilare: user.cpp: In function ‘void Djkstra()’: user.cpp:54:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<G[vfmin].size();++j) ^ user.cpp: In function ‘void init()’: user.cpp:74:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[x0].size();++i) ^ user.cpp: In function ‘void citire()’: user.cpp:94:30: 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:97:40: 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,&v.c); ^