Compilare: user.cpp: In function ‘void citire_init()’: user.cpp:49:27: 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:71:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<g[vfmin].size(); j++) ^ user.cpp: In function ‘void citire_init()’: user.cpp:33:32: 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:36:44: 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); ^