Eroare de compilare: user.cpp: In function ‘void df1(int, int)’: user.cpp:19: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void drum(int, int)’: user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:85: error: ‘memset’ was not declared in this scope user.cpp:80: warning: unused variable ‘r’ user.cpp:67: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:70: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:75: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result