Compilare: user.cpp: In function ‘int main()’: user.cpp:11:27: warning: variable ‘pu’ set but not used [-Wunused-but-set-variable] int n,gmax,i,j,mx,sol,pu,ii; ^ user.cpp:12:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&gmax); ^ user.cpp:13:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) fscanf(f,"%d%d",&g[i],&c[i]); ^