Compilare: user.cpp: In function ‘int main()’: user.cpp:50:5: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:51:5: warning: unused variable ‘mn’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:51:8: warning: unused variable ‘k’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:51:10: warning: unused variable ‘man’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:51:14: warning: unused variable ‘j’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:31:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&n); ^ user.cpp:60:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&c); ^ user.cpp:61:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&c1); ^