Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:89:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[vfmin].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void citire()’: user.cpp:65:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &nrv, &nrm); ^ user.cpp:68:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d", &x, &y, &c); ^