Compilare: user.cpp: In function ‘int main()’: user.cpp:25:15: warning: unused variable ‘last’ [-Wunused-variable] int n,i,c,last=0,sumcur=0,o,ne,max=0; ^ user.cpp:25:22: warning: unused variable ‘sumcur’ [-Wunused-variable] int n,i,c,last=0,sumcur=0,o,ne,max=0; ^ user.cpp:27:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&c); ^ user.cpp:30:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&v[i].a,&v[i].b); ^