Compilare: user.cpp: In function ‘void apm()’: user.cpp:75:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<lista[1].size(); i++) ^ user.cpp:100:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<lista[minim.nod].size(); j++) ^ user.cpp: In function ‘void citire()’: user.cpp:52:32: 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:55:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &a, &b, &aux.cost); ^