Compilare: user.cpp: In function ‘int main()’: user.cpp:24:14: warning: unused variable ‘g’ [-Wunused-variable] FILE*g=fopen("conserve.out","w"); ^ user.cpp:9:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&p); ^ user.cpp:10:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=p;i++){fscanf(f,"%d",&v[i]);s+=v[i];} ^