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=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]); ^