fact.cpp: In function 'void multiply(long int*, long int, int)': fact.cpp:8: warning: unused variable 'j' fact.cpp:8: warning: unused variable 'aux' fact.cpp: In function 'void print(long int*)': fact.cpp:36: warning: format '%c' expects type 'int', but argument 3 has type 'long int' fact.cpp: In function 'int main()': fact.cpp:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result