Compilare: user.cpp: In function ‘void ciur1()’: user.cpp:14:20: warning: unused variable ‘k’ [-Wunused-variable] long long i,j,k=0; ^ user.cpp: In function ‘int main()’: user.cpp:62:13: warning: unused variable ‘k’ [-Wunused-variable] int m,j,k,i,n,nr=1; ^ user.cpp:64:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&m); ^ user.cpp:68:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%lld",&a,&b); ^