Compilare: user.cpp: In function ‘int main()’: user.cpp:6:24: warning: unused variable ‘cons’ [-Wunused-variable] {int A,B,n,a[100020],i,cons,dd,d=0,j,cp; ^ user.cpp:6:32: warning: unused variable ‘d’ [-Wunused-variable] {int A,B,n,a[100020],i,cons,dd,d=0,j,cp; ^ user.cpp:8:7: warning: unused variable ‘g’ [-Wunused-variable] FILE *g = fopen ( "teams.out","w"); ^ user.cpp:9:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&A,&B); ^ user.cpp:11:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%d",&a[i]); ^ user.cpp:16:64: warning: ‘dd’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=i+1;j<=n;j++){cp=a[i]+a[j]; if(cp>A && cp<B) dd++;}} ^