Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:18: error: ‘i’ was not declared in this scope user.cpp:20: error: ‘j’ was not declared in this scope user.cpp:37: error: ‘q’ was not declared in this scope user.cpp:37: error: ‘l’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘}’ token user.cpp:42: error: ‘q1’ was not declared in this scope user.cpp:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result