Compilare: user.cpp: In function ‘void bellman()’: user.cpp:26:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<l[nod.d].size();i++) ^ user.cpp:18:13: warning: unused variable ‘tmp’ [-Wunused-variable] muc nod,tmp; nod.d=1; nod.t=0; nod.w=k; nod.wmax=0; ^ user.cpp:19:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; muc x; ^ user.cpp: In function ‘int main()’: user.cpp:59:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d ",&n,&k); ^ user.cpp:61:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&poz[i]); ^ user.cpp:63:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:66:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&x,&y,&aux.t,&aux.w); ^