Compilare: user.cpp: In function ‘void radix(int)’: user.cpp:9:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,cn[2]; ^ user.cpp: In function ‘int main()’: user.cpp:31:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:34:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",a[i]); ^