Compilare: user.cpp: In function ‘int main()’: user.cpp:7:26: warning: unused variable ‘s’ [-Wunused-variable] int i,j,n,p,q,nr,max,s; ^ user.cpp:10:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d" ,&n,&p,&q); ^ user.cpp:13:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&nr); ^