Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: unused variable ‘ii’ [-Wunused-variable] int n,i,p,ii,jj,sol = 0,j,l,t,p2; ^ user.cpp:11:18: warning: unused variable ‘jj’ [-Wunused-variable] int n,i,p,ii,jj,sol = 0,j,l,t,p2; ^ user.cpp:11:31: warning: unused variable ‘l’ [-Wunused-variable] int n,i,p,ii,jj,sol = 0,j,l,t,p2; ^ user.cpp:11:33: warning: variable ‘t’ set but not used [-Wunused-but-set-variable] int n,i,p,ii,jj,sol = 0,j,l,t,p2; ^ user.cpp:11:35: warning: unused variable ‘p2’ [-Wunused-variable] int n,i,p,ii,jj,sol = 0,j,l,t,p2; ^ user.cpp:12:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&n); ^ user.cpp:14:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&v[i]); ^ user.cpp:17:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&p); ^ user.cpp:19:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&h[i]); ^